Changeset 465 for branches/highdpi/LocalPlayer/Help.pas

Timestamp:

Nov 30, 2023, 10:16:14 PM (6 months ago)

Author:

chronos

Message:

• Modified: Updated high dpi branch from trunk.
• Modified: Use generics.collections instead of fgl.
• Modified: Compile with Delphi syntax.

File:

• branches/highdpi/LocalPlayer/Help.pas (modified) (85 diffs)

branches/highdpi/LocalPlayer/Help.pas

@@ -7 +7 @@
   UDpiControls, Protocol, ScreenTools, BaseWin, StringTables, Math, LCLIntf, LCLType,
   Messages, SysUtils, Classes, Graphics, Controls, Forms, ExtCtrls,
-  ButtonB, PVSB, Types, fgl, IsoEngine;
+  ButtonB, PVSB, Types, Generics.Collections, IsoEngine;
 
 const
   MaxHist = 16;
 
-  { link categories }
-  hkNoLink = 0;
-  hkAdv = 1;
-  hkImp = 2;
-  hkTer = 3;
-  hkFeature = 4;
-  hkInternet = 5;
-  hkModel = 6;
-  hkMisc = 7;
-  hkCrossLink = $40;
-  hkText = $80;
-
-  liInvalid = $3FFF; // link index indicates invalid link
-
-  { link indices for category hkMisc }
-  miscMain = 0;
-  miscCredits = 1;
-  miscGovList = 2;
-  miscJobList = 3;
-  miscSearchResult = 7;
-
-  fJungle = 8; // pseudo terrain
+  fJungle = 8; // Pseudo terrain
 
 type
+  { Link categories }
+  TLinkCategory = (
+    hkNoLink,
+    hkAdv,
+    hkImp,
+    hkTer,
+    hkFeature ,
+    hkInternet,
+    hkModel,
+    hkMisc,
+    hkText);
+
+  { Link indices for category hkMisc }
+  TMiscLinkIndex = (
+    miscMain,
+    miscCredits,
+    miscGovList,
+    miscJobList,
+    miscSearchResult);
+
+  TTextFormat = (
+    pkNormal,
+    pkCaption,
+    pkSmallIcon,
+    pkBigIcon,
+    pkAdvIcon,
+    pkTer,
+    pkBigTer,
+    pkFeature,
+    pkDot,
+    pkNormal_Dot,
+    pkDomain,
+    pkSection,
+    pkBigFeature,
+    pkExp,
+    pkAITStat,
+    pkExternal,
+    pkModel,
+    pkNormal_64,
+    pkIllu,
+    pkLogo,
+    pkTerImp,
+    pkRightIcon,
+    pkAdvIcon_AsPreq,
+    pkSmallIcon_AsPreq,
+    pkSpecialIcon,
+    pkGov);
 
   { THyperText }
@@ -41 +67 @@
   THyperText = class(TStringList)
   public
-    procedure AddLine(s: String = ''; Format: integer = 0; Picpix: Integer = 0;
-      LinkCategory: integer = 0; LinkIndex: integer = 0);
+    procedure AddLine(S: String = ''; Format: TTextFormat = pkNormal; Picpix: Integer = 0;
+      LinkCategory: TLinkCategory = hkNoLink; LinkIndex: Integer = 0; CrossLink: Boolean = False);
     procedure LineFeed;
     procedure AppendList(Source: THyperText);
-    destructor Destroy; override;
   end;
 
@@ -51 +76 @@
 
   THistItem = class
-    Kind: Integer;
+    Kind: TLinkCategory;
     No: Integer;
     Pos: Integer;
@@ -60 +85 @@
   { THistItems }
 
-  THistItems = class(TFPGObjectList<THistItem>)
-    function AddNew(Kind, No, Pos: Integer; SearchContent: string): THistItem;
+  THistItems = class(TObjectList<THistItem>)
+    function AddNew(Kind: TLinkCategory; No, Pos: Integer; SearchContent: string): THistItem;
   end;
 
@@ -78 +103 @@
     procedure CloseBtnClick(Sender: TObject);
     procedure PaintBox1MouseMove(Sender: TObject; Shift: TShiftState;
-      x, y: integer);
+      X, Y: Integer);
     procedure PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
-      Shift: TShiftState; x, y: integer);
+      Shift: TShiftState; X, Y: Integer);
     procedure BackBtnClick(Sender: TObject);
     procedure TopBtnClick(Sender: TObject);
@@ -89 +114 @@
     procedure OffscreenPaint; override;
   private
-    Kind: Integer;
-    no: Integer;
+    Kind: TLinkCategory;
+    No: Integer;
     Sel: Integer;
     CaptionColor: Integer;
@@ -100 +125 @@
     SearchResult: THyperText;
     HelpText: TStringTable;
-    ExtPic, TerrIcon: TDpiBitmap;
+    ExtPic: TDpiBitmap;
+    TerrIcon: TDpiBitmap;
     ScrollBar: TPVScrollbar;
     NoMap: TIsoMap;
     x0: array [-2..180] of Integer;
-    procedure PaintTerrIcon(x, y, xSrc, ySrc: Integer);
+    procedure PaintTerrIcon(X, Y, xSrc, ySrc: Integer);
     procedure ScrollBarUpdate(Sender: TObject);
-    procedure Line(ca: TDpiCanvas; i: Integer; lit: Boolean);
+    procedure Line(ACanvas: TDpiCanvas; I: Integer; Lit: Boolean);
     procedure Prepare(sbPos: Integer = 0);
-    procedure ShowNewContentProcExecute(NewMode: Integer; HelpContext: string);
+    procedure ShowNewContentProcExecute(NewMode: TWindowMode; HelpContext: string);
     procedure WaterSign(x0, y0, iix: Integer);
     procedure Search(SearchString: string);
@@ -117 +143 @@
     Difficulty: Integer;
     procedure ClearHistory;
-    procedure ShowNewContent(NewMode, Category, Index: Integer);
+    procedure ShowNewContent(NewMode: TWindowMode; Category: TLinkCategory; Index: Integer);
     function TextIndex(Item: string): Integer;
   end;
 
-var
-  HelpDlg: THelpDlg;
-
 
 implementation
 
 uses
-  Directories, ClientTools, Term, Tribes, Inp, Messg, UPixelPointer, Global,
-  UKeyBindings;
+  Directories, ClientTools, Term, Tribes, Inp, Messg, PixelPointer, Global,
+  KeyBindings;
 
 {$R *.lfm}
@@ -138 +161 @@
 
   THelpLineInfo = class
-    Format: Byte;
+    Format: TTextFormat;
     Picpix: Byte;
-    Link: Word;
+    Category: TLinkCategory;
+    Index: Integer;
+    CrossLink: Boolean;
     procedure Assign(Source: THelpLineInfo);
   end;
 
-{ THelpLineInfo }
-
-procedure THelpLineInfo.Assign(Source: THelpLineInfo);
-begin
-  Format := Source.Format;
-  PicPix := Source.PicPix;
-  Link := Source.Link;
-end;
-
-{ THistItem }
-
-procedure THistItem.Assign(Source: THistItem);
-begin
-  Kind := Source.Kind;
-  No := Source.No;
-  Pos := Source.Pos;
-  SearchContent := Source.SearchContent;
-end;
-
-{ THistItems }
-
-function THistItems.AddNew(Kind, No, Pos: Integer; SearchContent: string
-  ): THistItem;
-begin
-  Result := THistItem.Create;
-  Result.Kind := Kind;
-  Result.No := No;
-  Result.Pos := Pos;
-  Result.SearchContent := SearchContent;
-  Add(Result);
-end;
-
-procedure THyperText.AddLine(s: String; Format: integer; Picpix: integer;
-  LinkCategory: integer; LinkIndex: integer);
-var
-  HelpLineInfo: THelpLineInfo;
-begin
-  HelpLineInfo := THelpLineInfo.Create;
-  if LinkIndex < 0 then
-    LinkIndex := liInvalid;
-  HelpLineInfo.Format := Format;
-  HelpLineInfo.Picpix := Picpix;
-  HelpLineInfo.Link := LinkCategory shl 8 + LinkIndex;
-  AddObject(s, TObject(HelpLineInfo));
-end;
-
-procedure THyperText.LineFeed;
-begin
-  AddLine;
-end;
-
-procedure THyperText.AppendList(Source: THyperText);
-var
-  I: Integer;
-  HelpLineInfo: THelpLineInfo;
-begin
-  for I := 0 to Source.Count - 1 do begin
-    HelpLineInfo := THelpLineInfo.Create;
-    HelpLineInfo.Assign(THelpLineInfo(Source.Objects[I]));
-    AddObject(Source.Strings[I], HelpLineInfo);
-  end;
-end;
-
-destructor THyperText.Destroy;
-begin
-  inherited;
-end;
+  TSeeAlso = record
+    Kind: TLinkCategory;
+    No: Integer;
+    SeeKind: TLinkCategory;
+    SeeNo: Integer;
+  end;
 
 const
-  { text formats }
-  pkNormal = 0;
-  pkCaption = 1;
-  pkSmallIcon = 2;
-  pkBigIcon = 3;
-  pkAdvIcon = 4;
-  pkTer = 5;
-  pkBigTer = 6;
-  pkFeature = 7;
-  pkDot = 8;
-  pkNormal_Dot = 9;
-  pkDomain = 10;
-  pkSection = 11;
-  pkBigFeature = 12;
-  pkExp = 13;
-  pkAITStat = 14;
-  pkExternal = 15;
-  pkModel = 16;
-  pkNormal_64 = 17;
-  pkIllu = 18;
-  pkLogo = 19;
-  pkTerImp = 20;
-  pkRightIcon = 21;
-  pkAdvIcon_AsPreq = 22;
-  pkSmallIcon_AsPreq = 23;
-  pkSpecialIcon = 24;
-  pkGov = 25;
-
-  nSeeAlso = 14;
-  SeeAlso: array [0 .. nSeeAlso - 1] of record
-    Kind: Integer;
-    no: Integer;
-    SeeKind: Integer;
-    SeeNo: Integer;
-  end = ((Kind: hkImp; no: imWalls; SeeKind: hkFeature;
+  SeeAlso: array[0..13] of TSeeAlso = ((Kind: hkImp; no: imWalls; SeeKind: hkFeature;
     SeeNo: mcArtillery), (Kind: hkImp; no: imHydro; SeeKind: hkImp;
     SeeNo: woHoover), (Kind: hkImp; no: imWalls; SeeKind: hkImp;
@@ -262 +192 @@
     SeeKind: hkFeature; SeeNo: mcDefense));
 
-  nTerrainHelp = 14;
-  TerrainHelp: array [0 .. nTerrainHelp - 1] of integer = (fGrass, fGrass + 12,
+  TerrainHelp: array[0..13] of Integer = (fGrass, fGrass + 12,
     fPrairie, fForest, fJungle, fHills, fMountains, fSwamp, fTundra, fArctic,
-    fDesert, 3 * 12 { DeadLands } , fShore, fOcean);
-
-  nJobHelp = 8;
-  JobHelp: array [0 .. nJobHelp - 1] of integer = (jRoad, jRR, jCanal, jIrr,
+    fDesert, 3 * 12 { DeadLands }, fShore, fOcean);
+
+  JobHelp: array[0..7] of Integer = (jRoad, jRR, jCanal, jIrr,
     jFarm, jMine, jFort, jBase);
 
+{ THelpLineInfo }
+
+procedure THelpLineInfo.Assign(Source: THelpLineInfo);
+begin
+  Format := Source.Format;
+  PicPix := Source.PicPix;
+  Category := Source.Category;
+  Index := Source.Index;
+end;
+
+{ THistItem }
+
+procedure THistItem.Assign(Source: THistItem);
+begin
+  Kind := Source.Kind;
+  No := Source.No;
+  Pos := Source.Pos;
+  SearchContent := Source.SearchContent;
+end;
+
+{ THistItems }
+
+function THistItems.AddNew(Kind: TLinkCategory; No, Pos: Integer; SearchContent: string
+  ): THistItem;
+begin
+  Result := THistItem.Create;
+  Result.Kind := Kind;
+  Result.No := No;
+  Result.Pos := Pos;
+  Result.SearchContent := SearchContent;
+  Add(Result);
+end;
+
+procedure THyperText.AddLine(S: String; Format: TTextFormat; Picpix: Integer;
+  LinkCategory: TLinkCategory = hkNoLink; LinkIndex: Integer = 0;
+  CrossLink: Boolean = False);
+var
+  HelpLineInfo: THelpLineInfo;
+begin
+  HelpLineInfo := THelpLineInfo.Create;
+  HelpLineInfo.Format := Format;
+  HelpLineInfo.Picpix := Picpix;
+  HelpLineInfo.Category := LinkCategory;
+  HelpLineInfo.Index := LinkIndex;
+  HelpLineInfo.CrossLink := CrossLink;
+  AddObject(S, HelpLineInfo);
+end;
+
+procedure THyperText.LineFeed;
+begin
+  AddLine;
+end;
+
+procedure THyperText.AppendList(Source: THyperText);
+var
+  I: Integer;
+  HelpLineInfo: THelpLineInfo;
+begin
+  for I := 0 to Source.Count - 1 do begin
+    HelpLineInfo := THelpLineInfo.Create;
+    HelpLineInfo.Assign(THelpLineInfo(Source.Objects[I]));
+    AddObject(Source.Strings[I], HelpLineInfo);
+  end;
+end;
+
 procedure THelpDlg.FormCreate(Sender: TObject);
 begin
-  inherited;
   NoMap := TIsoMap.Create;
 
@@ -280 +272 @@
   CaptionLeft := BackBtn.Left + BackBtn.Width;
   CaptionRight := SearchBtn.Left;
-  inc(ModalFrameIndent, 29);
+  Inc(ModalFrameIndent, 29);
   MainText := THyperText.Create;
   MainText.OwnsObjects := True;
@@ -290 +282 @@
 
   HelpText := TStringTable.Create;
-  HelpText.LoadFromFile(LocalizedFilePath('Help' + DirectorySeparator + 'help.txt'));
+  HelpText.LoadFromFile(LocalizedFilePath('Help' + DirectorySeparator + 'Help.txt'));
   hADVHELP := HelpText.Gethandle('ADVHELP');
   hIMPHELP := HelpText.Gethandle('IMPHELP');
@@ -316 +308 @@
 end;
 
-procedure THelpDlg.ShowNewContentProcExecute(NewMode: Integer;
+procedure THelpDlg.ShowNewContentProcExecute(NewMode: TWindowMode;
   HelpContext: string);
 begin
-  HelpDlg.ShowNewContent(NewMode, hkText,
-    HelpDlg.TextIndex(HelpContext))
+  ShowNewContent(NewMode, hkText, TextIndex(HelpContext));
 end;
 
@@ -356 +347 @@
   if ScrollBar.Process(Msg) then begin
     Sel := -1;
-    SmartUpdateContent(true)
+    SmartUpdateContent(True)
   end;
   }
@@ -364 +355 @@
 begin
   if Sel <> -1 then begin
-    Line(Canvas, Sel, false);
-    Sel := -1
+    Line(Canvas, Sel, False);
+    Sel := -1;
   end;
 end;
@@ -380 +371 @@
 end;
 
-procedure THelpDlg.Line(ca: TDpiCanvas; i: Integer; lit: Boolean);
+procedure THelpDlg.Line(ACanvas: TDpiCanvas; I: Integer; Lit: Boolean);
 var
-  TextColor, x, y: Integer;
+  TextColor: TColor;
+  X, Y: Integer;
   TextSize: TSize;
-  s: string;
-begin
-  s := MainText[ScrollBar.Position + i];
-  if s = '' then
+  S: string;
+begin
+  S := MainText[ScrollBar.Position + I];
+  if S = '' then
     Exit;
-  x := x0[i];
-  y := 2 + i * 24;
-  if ca = Canvas then
-  begin
-    x := x + SideFrame;
-    y := y + WideFrame
-  end;
-  if THelpLineInfo(MainText.Objects[ScrollBar.Position + i]).Format
+  X := x0[I];
+  Y := 2 + I * 24;
+  if ACanvas = Canvas then
+  begin
+    X := X + SideFrame;
+    Y := Y + WideFrame;
+  end;
+  if THelpLineInfo(MainText.Objects[ScrollBar.Position + I]).Format
     in [pkCaption, pkBigTer, pkRightIcon, pkBigFeature] then
   begin
-    ca.Font.Assign(CaptionFont);
-    { ca.brush.color:=CaptionColor;
-      ca.FillRect(rect(x,i*24,x+24,i*24+24));
-      ca.brush.color:=$FFFFFF;
-      ca.FrameRect(rect(x+1,i*24+1,x+24-1,i*24+24-1));
-      ca.Brush.Style:=bsClear; }
-    DpiBitCanvas(ca, x, y - 4, 24, 24, HGrSystem.Data.Canvas, 1,
+    ACanvas.Font.Assign(CaptionFont);
+    { ACanvas.brush.color:=CaptionColor;
+      ACanvas.FillRect(rect(X,I*24,X+24,I*24+24));
+      ACanvas.Brush.Color:=$FFFFFF;
+      ACanvas.FrameRect(rect(X+1,I*24+1,X+24-1,I*24+24-1));
+      ACanvas.Brush.Style:=bsClear; }
+    DpiBitBltCanvas(ACanvas, X, Y - 4, 24, 24, HGrSystem.Data.Canvas, 1,
       146);
-    BiColorTextOut(ca, $FFFFFF, $7F007F, x + 10 - ca.Textwidth(s[1]) div 2,
-      y - 3, s[1]);
-    BiColorTextOut(ca, CaptionColor, $7F007F, x + 24, y - 3, copy(s, 2, 255));
-    ca.Font.Assign(UniFont[ftNormal]);
+    BiColorTextOut(ACanvas, $FFFFFF, $7F007F, X + 10 - ACanvas.Textwidth(S[1]) div 2,
+      Y - 3, S[1]);
+    BiColorTextOut(ACanvas, CaptionColor, $7F007F, X + 24, Y - 3, Copy(S, 2, 255));
+    ACanvas.Font.Assign(UniFont[ftNormal]);
   end
-  else if THelpLineInfo(MainText.Objects[ScrollBar.Position + i]).Format = pkSection
-  then
-  begin
-    ca.Font.Assign(CaptionFont);
-    BiColorTextOut(ca, CaptionColor, $7F007F, x, y - 3, s);
-    ca.Font.Assign(UniFont[ftNormal]);
+  else if THelpLineInfo(MainText.Objects[ScrollBar.Position + I]).Format = pkSection then
+  begin
+    ACanvas.Font.Assign(CaptionFont);
+    BiColorTextOut(ACanvas, CaptionColor, $7F007F, X, Y - 3, S);
+    ACanvas.Font.Assign(UniFont[ftNormal]);
   end
   else
   begin
-    if (Kind = hkMisc) and (no = miscMain) then
-      ca.Font.Assign(CaptionFont);
+    if (Kind = hkMisc) and (No = Integer(miscMain)) then
+      ACanvas.Font.Assign(CaptionFont);
     TextColor := Colors.Canvas.Pixels[clkMisc, cliPaperText];
-    if ca = Canvas then
+    if ACanvas = Canvas then
     begin
-      TextSize.cx := BiColorTextWidth(ca, s);
-      TextSize.cy := ca.TextHeight(s);
-      if y + TextSize.cy >= WideFrame + InnerHeight then
-        TextSize.cy := WideFrame + InnerHeight - y;
-      FillSeamless(ca, x, y, TextSize.cx, TextSize.cy, -SideFrame,
+      TextSize.cx := BiColorTextWidth(ACanvas, S);
+      TextSize.cy := ACanvas.TextHeight(S);
+      if Y + TextSize.cy >= WideFrame + InnerHeight then
+        TextSize.cy := WideFrame + InnerHeight - Y;
+      FillSeamless(ACanvas, X, Y, TextSize.cx, TextSize.cy, -SideFrame,
         ScrollBar.Position * 24 - WideFrame, Paper);
     end;
-    BiColorTextOut(ca, TextColor, $7F007F, x, y, s);
+    BiColorTextOut(ACanvas, TextColor, $7F007F, X, Y, S);
     if lit then
-      with ca do
+      with ACanvas do
       begin
-        Assert(ca = Canvas);
+        Assert(ACanvas = Canvas);
         Pen.Color := TextColor;
-        MoveTo(x + 1, y + TextSize.cy - 2);
-        LineTo(x + TextSize.cx, y + TextSize.cy - 2);
+        MoveTo(X + 1, Y + TextSize.cy - 2);
+        LineTo(X + TextSize.cx, Y + TextSize.cy - 2);
       end;
-    if (Kind = hkMisc) and (no = miscMain) then
-      ca.Font.Assign(UniFont[ftNormal]);
-  end;
-end;
-
-procedure THelpDlg.WaterSign(x0, y0, iix: integer);
+    if (Kind = hkMisc) and (No = Integer(miscMain)) then
+      ACanvas.Font.Assign(UniFont[ftNormal]);
+  end;
+end;
+
+procedure THelpDlg.WaterSign(x0, y0, iix: Integer);
 const
   nHeaven = 28;
   MaxSum = 9 * 9 * 255 * 75 div 100;
 var
-  x, y, dx, dy, xSrc, ySrc, Sum, xx: integer;
-  Heaven: array [0..nHeaven] of integer;
+  X, Y, dx, dy, xSrc, ySrc, Sum, xx: Integer;
+  Heaven: array [0..nHeaven] of Integer;
   PaintPtr: TPixelPointer;
   CoalPtr: TPixelPointer;
@@ -467 +458 @@
   xSrc := iix mod 7 * xSizeBig;
   ySrc := (iix div 7 + 1) * ySizeBig;
-  PaintPtr := PixelPointer(OffScreen, ScaleToNative(x0), ScaleToNative(y0));
-  CoalPtr := PixelPointer(Templates.Data, ScaleToNative(xCoal), ScaleToNative(yCoal));
+  PaintPtr := TPixelPointer.Create(OffScreen, ScaleToNative(x0), ScaleToNative(y0));
+  CoalPtr := TPixelPointer.Create(Templates.Data, ScaleToNative(xCoal), ScaleToNative(yCoal));
   for dy := -1 to 1 do
-    ImpPtr[dy] := PixelPointer(BigImp, ScaleToNative(xSrc), ScaleToNative(ySrc));
-  for y := 0 to ScaleToNative(ySizeBig) * 2 - 1 do begin
-    if ((ScaleToNative(y0) + y) >= 0) and ((ScaleToNative(y0) + y) < ScaleToNative(InnerHeight)) then begin
+    ImpPtr[dy] := TPixelPointer.Create(BigImp, ScaleToNative(xSrc), ScaleToNative(ySrc));
+  for Y := 0 to ScaleToNative(ySizeBig) * 2 - 1 do begin
+    if ((ScaleToNative(y0) + Y) >= 0) and ((ScaleToNative(y0) + Y) < ScaleToNative(InnerHeight)) then begin
       for dy := -1 to 1 do
-        if ((Max(y + ScaleToNative(dy), 0) shr 1) >= 0) and ((Max(y + ScaleToNative(dy), 0) shr 1) < ScaleToNative(ySizeBig)) then
-          ImpPtr[dy].SetXY(0, Max(y + ScaleToNative(dy), 0) shr 1);
-      for x := 0 to ScaleToNative(xSizeBig * 2) - 1 do begin
+        if ((Max(Y + ScaleToNative(dy), 0) shr 1) >= 0) and ((Max(Y + ScaleToNative(dy), 0) shr 1) < ScaleToNative(ySizeBig)) then
+          ImpPtr[dy].SetXY(0, Max(Y + ScaleToNative(dy), 0) shr 1);
+      for X := 0 to ScaleToNative(xSizeBig * 2) - 1 do begin
         Sum := 0;
         for dx := -1 to 1 do begin
-          xx := Max((x + ScaleToNative(dx)), 0) shr 1;
+          xx := Max((X + ScaleToNative(dx)), 0) shr 1;
           for dy := -1 to 1 do begin
             ImpPtr[dy].SetX(xx);
-            if ((y + ScaleToNative(dy)) shr 1 < 0) or ((y + ScaleToNative(dy)) shr 1 >= ScaleToNative(ySizeBig)) or
-              ((x + ScaleToNative(dx)) shr 1 < 0) or ((x + ScaleToNative(dx)) shr 1 >= ScaleToNative(xSizeBig)) or
-              ((y + ScaleToNative(dy)) shr 1 < ScaleToNative(nHeaven)) and
+            if ((Y + ScaleToNative(dy)) shr 1 < 0) or ((Y + ScaleToNative(dy)) shr 1 >= ScaleToNative(ySizeBig)) or
+              ((X + ScaleToNative(dx)) shr 1 < 0) or ((X + ScaleToNative(dx)) shr 1 >= ScaleToNative(xSizeBig)) or
+              ((Y + ScaleToNative(dy)) shr 1 < ScaleToNative(nHeaven)) and
               (ImpPtr[dy].Pixel^.B shl 16 + ImpPtr[dy].Pixel^.G shl 8 +
-              ImpPtr[dy].Pixel^.R = Heaven[(ScaleFromNative(y + ScaleToNative(dy))) shr 1]) then
+              ImpPtr[dy].Pixel^.R = Heaven[(ScaleFromNative(Y + ScaleToNative(dy))) shr 1]) then
               Sum := Sum + 9 * 255
             else
@@ -493 +484 @@
           end;
         end;
-        if Sum < MaxSum then begin // no saturation
+        if Sum < MaxSum then begin // No saturation
           Sum := 1 shl 22 - (MaxSum - Sum) * (256 - CoalPtr.Pixel^.B * 2);
           PaintPtr.Pixel^.B := Min(PaintPtr.Pixel^.B * Sum shr 22, 255);
@@ -510 +501 @@
 end;
 
-procedure THelpDlg.PaintTerrIcon(x, y, xSrc, ySrc: integer);
+procedure THelpDlg.PaintTerrIcon(X, Y, xSrc, ySrc: Integer);
 begin
   with NoMap do begin
-    Frame(OffScreen.Canvas, x - 1, y - 1, x + xSizeBig, y + ySizeBig,
+    Frame(OffScreen.Canvas, X - 1, Y - 1, X + xSizeBig, Y + ySizeBig,
       $000000, $000000);
     if 2 * yyt < 40 then begin
-      Sprite(OffScreen, HGrTerrain, x, y, 56, 2 * yyt, xSrc, ySrc);
-      Sprite(OffScreen, HGrTerrain, x, y + 2 * yyt, 56, 40 - 2 * yyt,
+      Sprite(OffScreen, HGrTerrain, X, Y, 56, 2 * yyt, xSrc, ySrc);
+      Sprite(OffScreen, HGrTerrain, X, Y + 2 * yyt, 56, 40 - 2 * yyt,
         xSrc, ySrc);
     end else
-      Sprite(OffScreen, HGrTerrain, x, y, 56, 40, xSrc, ySrc);
-    Sprite(OffScreen, HGrTerrain, x, y, xxt, yyt, xSrc + xxt, ySrc + yyt);
-    Sprite(OffScreen, HGrTerrain, x, y + yyt, xxt, 40 - yyt, xSrc + xxt, ySrc);
-    Sprite(OffScreen, HGrTerrain, x + xxt, y, 56 - xxt, yyt, xSrc, ySrc + yyt);
-    Sprite(OffScreen, HGrTerrain, x + xxt, y + yyt, 56 - xxt, 40 - yyt,
+      Sprite(OffScreen, HGrTerrain, X, Y, 56, 40, xSrc, ySrc);
+    Sprite(OffScreen, HGrTerrain, X, Y, xxt, yyt, xSrc + xxt, ySrc + yyt);
+    Sprite(OffScreen, HGrTerrain, X, Y + yyt, xxt, 40 - yyt, xSrc + xxt, ySrc);
+    Sprite(OffScreen, HGrTerrain, X + xxt, Y, 56 - xxt, yyt, xSrc, ySrc + yyt);
+    Sprite(OffScreen, HGrTerrain, X + xxt, Y + yyt, 56 - xxt, 40 - yyt,
       xSrc, ySrc);
   end;
@@ -531 +522 @@
 procedure THelpDlg.OffscreenPaint;
 var
-  i, j, yl, srcno, ofs, cnt, y: Integer;
-  s: string;
+  I, J, yl, srcno, ofs, cnt, Y: Integer;
+  S: string;
   HelpLineInfo: THelpLineInfo;
 begin
@@ -542 +533 @@
   begin
     Font.Assign(UniFont[ftNormal]);
-    for i := -ScrollBar.Position to InnerHeight div 24 do
-      if ScrollBar.Position + i < MainText.Count then
+    for I := -ScrollBar.Position to InnerHeight div 24 do
+      if ScrollBar.Position + I < MainText.Count then
       begin
-        HelpLineInfo := THelpLineInfo(MainText.Objects[ScrollBar.Position + i]);
+        HelpLineInfo := THelpLineInfo(MainText.Objects[ScrollBar.Position + I]);
         if HelpLineInfo.Format = pkExternal then
         begin
           yl := ExtPic.Height;
-          if 4 + i * 24 + yl > InnerHeight then
-            yl := InnerHeight - (4 + i * 24);
-          DpiBitCanvas(OffScreen.Canvas, 8, 4 + i * 24, ExtPic.Width, yl, ExtPic.Canvas,
+          if 4 + I * 24 + yl > InnerHeight then
+            yl := InnerHeight - (4 + I * 24);
+          DpiBitBltCanvas(OffScreen.Canvas, 8, 4 + I * 24, ExtPic.Width, yl, ExtPic.Canvas,
             0, 0);
         end;
       end;
-    for i := -2 to InnerHeight div 24 do
-      if (ScrollBar.Position + i >= 0) and (ScrollBar.Position + i < MainText.Count) then
+    for I := -2 to InnerHeight div 24 do
+      if (ScrollBar.Position + I >= 0) and (ScrollBar.Position + I < MainText.Count) then
       begin
-        HelpLineInfo := THelpLineInfo(MainText.Objects[ScrollBar.Position + i]);
-        if HelpLineInfo.Link <> 0 then
+        HelpLineInfo := THelpLineInfo(MainText.Objects[ScrollBar.Position + I]);
+        if (HelpLineInfo.Category <> hkNoLink) or (HelpLineInfo.Index <> 0) then
         begin
-          if (Kind = hkMisc) and (no = miscSearchResult) then
-            Sprite(OffScreen, HGrSystem, 18, 9 + i * 24, 8, 8, 90, 16)
+          if (Kind = hkMisc) and (No = Integer(miscSearchResult)) then
+            Sprite(OffScreen, HGrSystem, 18, 9 + I * 24, 8, 8, 90, 16)
           else if HelpLineInfo.Format in [pkSmallIcon_AsPreq, pkAdvIcon_AsPreq]
           then
-            Sprite(OffScreen, HGrSystem, 12, i * 24 + 5, 14, 14, 65, 20)
-          else if HelpLineInfo.Link and (hkCrossLink shl 8) <> 0 then
-            Sprite(OffScreen, HGrSystem, 12, i * 24 + 5, 14, 14, 80, 1)
-          else if not((Kind = hkMisc) and (no = miscMain)) then
-            Sprite(OffScreen, HGrSystem, 10, i * 24 + 6, 14, 14, 65, 1);
-          x0[i] := 24;
+            Sprite(OffScreen, HGrSystem, 12, I * 24 + 5, 14, 14, 65, 20)
+          else if HelpLineInfo.CrossLink then
+            Sprite(OffScreen, HGrSystem, 12, I * 24 + 5, 14, 14, 80, 1)
+          else if not((Kind = hkMisc) and (No = Integer(miscMain))) then
+            Sprite(OffScreen, HGrSystem, 10, I * 24 + 6, 14, 14, 65, 1);
+          x0[I] := 24;
         end
         else
-          x0[i] := 0;
+          x0[I] := 0;
         case HelpLineInfo.Format of
           pkLogo:
             begin
-              Server(sGetVersion, 0, 0, j);
-              s := Format('%d.%d.%d', [j shr 16 and $FF, j shr 8 and $FF,
-                j and $FF]);
-              PaintLogo(OffScreen.Canvas, (InnerWidth - 122) div 2, i * 24 + 1,
+              Server(sGetVersion, 0, 0, J);
+              S := Format('%d.%d.%d', [J shr 16 and $FF, J shr 8 and $FF,
+                J and $FF]);
+              PaintLogo(OffScreen.Canvas, (InnerWidth - 122) div 2, I * 24 + 1,
                 HGrSystem.Data.Canvas.Pixels[95, 1], $000000);
               Font.Assign(UniFont[ftSmall]);
               BiColorTextOut(OffScreen.Canvas, $000000, $7F007F,
-                (InnerWidth - Textwidth(s)) div 2, i * 24 + 26, s);
+                (InnerWidth - Textwidth(S)) div 2, I * 24 + 26, S);
               Font.Assign(UniFont[ftNormal]);
             end;
           pkSmallIcon, pkSmallIcon_AsPreq:
             begin
-              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[i], 2 - 1 + i * 24,
-                8 + xSizeSmall + x0[i], 2 + 20 + i * 24, $000000, $000000);
+              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[I], 2 - 1 + I * 24,
+                8 + xSizeSmall + x0[I], 2 + 20 + I * 24, $000000, $000000);
               if HelpLineInfo.Picpix = imPalace then
-                DpiBitCanvas(OffScreen.Canvas, 8 + x0[i], 2 + i * 24,
+                DpiBitBltCanvas(OffScreen.Canvas, 8 + x0[I], 2 + I * 24,
                   xSizeSmall, ySizeSmall, SmallImp.Canvas,
                   0 * xSizeSmall, 1 * ySizeSmall)
               else
-                DpiBitCanvas(OffScreen.Canvas, 8 + x0[i], 2 + i * 24,
+                DpiBitBltCanvas(OffScreen.Canvas, 8 + x0[I], 2 + I * 24,
                   xSizeSmall, ySizeSmall, SmallImp.Canvas,
                   HelpLineInfo.Picpix mod 7 * xSizeSmall,
                   (HelpLineInfo.Picpix + SystemIconLines * 7) div 7 *
                   ySizeSmall);
-              x0[i] := x0[i] + (8 + 8 + 36);
+              x0[I] := x0[I] + (8 + 8 + 36);
             end;
           pkBigIcon:
             begin
-              FrameImage(OffScreen.Canvas, BigImp, x0[i] + 12, i * 24 - 7, 56,
+              FrameImage(OffScreen.Canvas, BigImp, x0[I] + 12, I * 24 - 7, 56,
                 40, HelpLineInfo.Picpix mod 7 * xSizeBig,
                 HelpLineInfo.Picpix div 7 * ySizeBig);
-              x0[i] := 64 + 8 + 8 + x0[i];
+              x0[I] := 64 + 8 + 8 + x0[I];
             end;
           pkSpecialIcon:
@@ -615 +606 @@
                 0:
                   FrameImage(OffScreen.Canvas, HGrSystem2.Data,
-                    12 + x0[i], -7 + i * 24, 56, 40, 137, 127);
+                    12 + x0[I], -7 + I * 24, 56, 40, 137, 127);
                 1:
                   with NoMap do begin
-                    PaintTerrIcon(12 + x0[i], -7 + i * 24,
+                    PaintTerrIcon(12 + x0[I], -7 + I * 24,
                       1 + 3 * (xxt * 2 + 1), 1 + yyt);
                     if 2 * yyt < 40 then
-                      Sprite(OffScreen, HGrTerrain, 12 + x0[i], -7 + 4 + i * 24,
+                      Sprite(OffScreen, HGrTerrain, 12 + x0[I], -7 + 4 + I * 24,
                         56, 2 * yyt, 1 + 3 * (xxt * 2 + 1) + xxt - 28,
                         1 + yyt + 1 * (yyt * 3 + 1))
                     else
-                      Sprite(OffScreen, HGrTerrain, 12 + x0[i],
-                        -7 + 4 + i * 24 - 4, 56, 40, 1 + 3 * (xxt * 2 + 1) + xxt
+                      Sprite(OffScreen, HGrTerrain, 12 + x0[I],
+                        -7 + 4 + I * 24 - 4, 56, 40, 1 + 3 * (xxt * 2 + 1) + xxt
                         - 28, 1 + yyt + 1 * (yyt * 3 + 1) + yyt - 20);
                   end;
                 2:
                   with NoMap do begin
-                    PaintTerrIcon(12 + x0[i], -7 + i * 24,
+                    PaintTerrIcon(12 + x0[I], -7 + I * 24,
                       1 + 7 * (xxt * 2 + 1), 1 + yyt + 4 * (yyt * 3 + 1));
                     if 2 * yyt < 40 then
-                      Sprite(OffScreen, HGrTerrain, 12 + x0[i], -7 + 4 + i * 24,
+                      Sprite(OffScreen, HGrTerrain, 12 + x0[I], -7 + 4 + I * 24,
                         56, 32, 1 + 4 * (xxt * 2 + 1) + xxt - 28,
                         1 + yyt + 12 * (yyt * 3 + 1) + yyt - 16)
                     else
-                      Sprite(OffScreen, HGrTerrain, 12 + x0[i], -7 + 4 + i * 24,
+                      Sprite(OffScreen, HGrTerrain, 12 + x0[I], -7 + 4 + I * 24,
                         56, 32, 1 + 4 * (xxt * 2 + 1) + xxt - 28,
                         1 + yyt + 12 * (yyt * 3 + 1) + yyt - 16)
                   end;
               end;
-              x0[i] := 64 + 8 + 8 + x0[i];
+              x0[I] := 64 + 8 + 8 + x0[I];
             end;
           pkDomain:
             begin
-              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[i], 2 - 1 + i * 24,
-                8 + 36 + x0[i], 2 + 20 + i * 24, $000000, $000000);
-              Dump(OffScreen, HGrSystem, 8 + x0[i], 2 + i * 24, 36, 20,
+              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[I], 2 - 1 + I * 24,
+                8 + 36 + x0[I], 2 + 20 + I * 24, $000000, $000000);
+              Dump(OffScreen, HGrSystem, 8 + x0[I], 2 + I * 24, 36, 20,
                 75 + HelpLineInfo.Picpix * 37, 295);
-              x0[i] := x0[i] + (8 + 8 + 36);
+              x0[I] := x0[I] + (8 + 8 + 36);
             end;
           pkAdvIcon, pkAdvIcon_AsPreq:
             begin
-              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[i], 2 - 1 + i * 24,
-                8 + xSizeSmall + x0[i], 2 + ySizeSmall + i * 24,
+              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[I], 2 - 1 + I * 24,
+                8 + xSizeSmall + x0[I], 2 + ySizeSmall + I * 24,
                 $000000, $000000);
               if AdvIcon[HelpLineInfo.Picpix] < 84 then
-                DpiBitCanvas(OffScreen.Canvas, 8 + x0[i], 2 + i * 24,
+                DpiBitBltCanvas(OffScreen.Canvas, 8 + x0[I], 2 + I * 24,
                   xSizeSmall, ySizeSmall, SmallImp.Canvas,
                   (AdvIcon[HelpLineInfo.Picpix] + SystemIconLines * 7) mod 7 *
@@ -665 +656 @@
                   7) div 7 * ySizeSmall)
               else
-                Dump(OffScreen, HGrSystem, 8 + x0[i], 2 + i * 24, 36, 20,
+                Dump(OffScreen, HGrSystem, 8 + x0[I], 2 + I * 24, 36, 20,
                   1 + (AdvIcon[HelpLineInfo.Picpix] - 84) mod 8 * 37,
                   295 + (AdvIcon[HelpLineInfo.Picpix] - 84) div 8 * 21);
-              j := AdvValue[HelpLineInfo.Picpix] div 1000;
-              DpiBitCanvas(OffScreen.Canvas, x0[i] + 4, 4 + i * 24, 14, 14,
-                HGrSystem.Mask.Canvas, 127 + j * 15, 85, SRCAND);
-              Sprite(OffScreen, HGrSystem, x0[i] + 3, 3 + i * 24, 14, 14,
-                127 + j * 15, 85);
-              x0[i] := x0[i] + (8 + 8 + 36);
+              J := AdvValue[HelpLineInfo.Picpix] div 1000;
+              DpiBitBltCanvas(OffScreen.Canvas, x0[I] + 4, 4 + I * 24, 14, 14,
+                HGrSystem.Mask.Canvas, 127 + J * 15, 85, SRCAND);
+              Sprite(OffScreen, HGrSystem, x0[I] + 3, 3 + I * 24, 14, 14,
+                127 + J * 15, 85);
+              x0[I] := x0[I] + (8 + 8 + 36);
             end;
           pkRightIcon:
             begin
               if Imp[HelpLineInfo.Picpix].Kind <> ikWonder then
-                ImpImage(OffScreen.Canvas, InnerWidth - (40 + xSizeBig), i * 24,
+                ImpImage(OffScreen.Canvas, InnerWidth - (40 + xSizeBig), I * 24,
                   HelpLineInfo.Picpix, gDespotism)
               else
-                WaterSign(InnerWidth - (40 + 2 * xSizeBig), i * 24 - 8,
+                WaterSign(InnerWidth - (40 + 2 * xSizeBig), I * 24 - 8,
                   HelpLineInfo.Picpix + 7);
-              x0[i] := x0[i] + 8;
+              x0[I] := x0[I] + 8;
             end;
           pkIllu:
-            WaterSign(8, i * 24 - 8, HelpLineInfo.Picpix);
+            WaterSign(8, I * 24 - 8, HelpLineInfo.Picpix);
           pkBigFeature:
             begin
               cnt := 0;
-              for j := nDomains - 1 downto 0 do
-                if 1 shl j and Feature[HelpLineInfo.Picpix].Domains <> 0 then
+              for J := nDomains - 1 downto 0 do
+                if 1 shl J and Feature[HelpLineInfo.Picpix].Domains <> 0 then
                 begin
-                  inc(cnt);
+                  Inc(cnt);
                   Dump(OffScreen, HGrSystem, InnerWidth - 38 - 38 * cnt,
-                    i * 24 + 1, 36, 20, 75 + j * 37, 295);
-                  ScreenTools.Frame(OffScreen.Canvas, InnerWidth - 39 - 38 * cnt, i * 24,
-                    InnerWidth - 2 - 38 * cnt, i * 24 + 21, $000000, $000000);
+                    I * 24 + 1, 36, 20, 75 + J * 37, 295);
+                  ScreenTools.Frame(OffScreen.Canvas, InnerWidth - 39 - 38 * cnt, I * 24,
+                    InnerWidth - 2 - 38 * cnt, I * 24 + 21, $000000, $000000);
                 end;
               DarkGradient(OffScreen.Canvas, InnerWidth - 38 - 38 * cnt,
-                i * 24 + 23, cnt * 38 - 2, 1);
+                I * 24 + 23, cnt * 38 - 2, 1);
               ofs := InnerWidth - (39 + 7) - 19 * cnt;
               with OffScreen.Canvas do
               begin
-                Brush.color := $C0C0C0;
-                FrameRect(Rect(ofs, 1 + 23 + i * 24, ofs + 14,
-                  15 + 23 + i * 24));
+                Brush.Color := $C0C0C0;
+                FrameRect(Rect(ofs, 1 + 23 + I * 24, ofs + 14,
+                  15 + 23 + I * 24));
                 Brush.Style := bsClear;
-                Sprite(OffScreen, HGrSystem, ofs + 2, 3 + 23 + i * 24, 10, 10,
+                Sprite(OffScreen, HGrSystem, ofs + 2, 3 + 23 + I * 24, 10, 10,
                   66 + HelpLineInfo.Picpix mod 11 * 11,
                   137 + HelpLineInfo.Picpix div 11 * 11);
               end;
-              x0[i] := x0[i] + 8;
+              x0[I] := x0[I] + 8;
             end;
           pkTer, pkBigTer:
             with NoMap do begin
               if HelpLineInfo.Format = pkBigTer then
-                y := i * 24 - 3 + yyt
+                Y := I * 24 - 3 + yyt
               else
-                y := i * 24 + 13;
+                Y := I * 24 + 13;
               if HelpLineInfo.Picpix >= 3 * 12 then
                 srcno := 2 * 9 + 6
@@ -730 +721 @@
               if HelpLineInfo.Format = pkTer then
               begin
-                ofs := x0[i] + 8;
-                x0[i] := 2 * xxt + 8 + ofs;
+                ofs := x0[I] + 8;
+                x0[I] := 2 * xxt + 8 + ofs;
               end
               else
               begin
                 ofs := InnerWidth - (2 * xxt + 38);
-                x0[i] := x0[i] + 8;
+                x0[I] := x0[I] + 8;
               end;
               if srcno >= fJungle then
               begin
-                Sprite(OffScreen, HGrTerrain, ofs + 4, y - yyt + 2, xxt * 2 - 8,
+                Sprite(OffScreen, HGrTerrain, ofs + 4, Y - yyt + 2, xxt * 2 - 8,
                   yyt * 2 - 4, 5 + 2 * (xxt * 2 + 1),
                   3 + yyt + 2 * (yyt * 3 + 1));
-                Sprite(OffScreen, HGrTerrain, ofs, y - 2 * yyt, xxt * 2,
+                Sprite(OffScreen, HGrTerrain, ofs, Y - 2 * yyt, xxt * 2,
                   yyt * 3 - 2, 1 + srcno mod 9 * (xxt * 2 + 1),
                   1 + srcno div 9 * (yyt * 3 + 1));
               end
               else
-                Sprite(OffScreen, HGrTerrain, ofs + 4, y - yyt + 2, xxt * 2 - 8,
+                Sprite(OffScreen, HGrTerrain, ofs + 4, Y - yyt + 2, xxt * 2 - 8,
                   yyt * 2 - 4, 5 + srcno mod 9 * (xxt * 2 + 1),
                   3 + yyt + srcno div 9 * (yyt * 3 + 1));
               if HelpLineInfo.Picpix >= 3 * 12 then { rare resource }
-                Sprite(OffScreen, HGrTerrain, ofs, y - 2 * yyt, xxt * 2,
+                Sprite(OffScreen, HGrTerrain, ofs, Y - 2 * yyt, xxt * 2,
                   yyt * 3, 1 + 8 * (xxt * 2 + 1),
                   1 + (HelpLineInfo.Picpix - 2 * 12) * (yyt * 3 + 1))
@@ -764 +755 @@
                   srcno := 18 + 8 + (HelpLineInfo.Picpix mod 12 - 9) * 18;
                 srcno := srcno + HelpLineInfo.Picpix div 12 * 9;
-                Sprite(OffScreen, HGrTerrain, ofs, y - 2 * yyt, xxt * 2,
+                Sprite(OffScreen, HGrTerrain, ofs, Y - 2 * yyt, xxt * 2,
                   yyt * 3, 1 + srcno mod 9 * (xxt * 2 + 1),
                   1 + srcno div 9 * (yyt * 3 + 1));
@@ -774 +765 @@
               if HelpLineInfo.Picpix = 5 then
               begin // display mine on hills
-                Sprite(OffScreen, HGrTerrain, ofs + 4, i * 24 + 13 - yyt,
+                Sprite(OffScreen, HGrTerrain, ofs + 4, I * 24 + 13 - yyt,
                   xxt * 2 - 8, yyt * 2 - 4, 5 + 2 * (xxt * 2 + 1),
                   3 + yyt + 2 * (yyt * 3 + 1));
@@ -781 +772 @@
               else
                 srcno := fPrairie; // display on prairie
-              Sprite(OffScreen, HGrTerrain, ofs + 4, i * 24 + 13 - yyt,
+              Sprite(OffScreen, HGrTerrain, ofs + 4, I * 24 + 13 - yyt,
                 xxt * 2 - 8, yyt * 2 - 4, 5 + srcno mod 9 * (xxt * 2 + 1),
                 3 + yyt + srcno div 9 * (yyt * 3 + 1));
               if HelpLineInfo.Picpix = 12 then { river }
-                Sprite(OffScreen, HGrTerrain, ofs, i * 24 + 11 - yyt, xxt * 2,
+                Sprite(OffScreen, HGrTerrain, ofs, I * 24 + 11 - yyt, xxt * 2,
                   yyt * 2, 1 + 5 * (xxt * 2 + 1), 1 + yyt + 13 * (yyt * 3 + 1))
               else if HelpLineInfo.Picpix >= 3 then { improvement 2 }
               begin
                 if HelpLineInfo.Picpix = 6 then
-                  Sprite(OffScreen, HGrTerrain, ofs, i * 24 + 11 - 2 * yyt,
+                  Sprite(OffScreen, HGrTerrain, ofs, I * 24 + 11 - 2 * yyt,
                     xxt * 2, yyt * 3, 1 + 7 * (xxt * 2 + 1),
                     1 + 12 * (yyt * 3 + 1));
-                Sprite(OffScreen, HGrTerrain, ofs, i * 24 + 11 - 2 * yyt,
+                Sprite(OffScreen, HGrTerrain, ofs, I * 24 + 11 - 2 * yyt,
                   xxt * 2, yyt * 3, 1 + (HelpLineInfo.Picpix - 3) *
                   (xxt * 2 + 1), 1 + 12 * (yyt * 3 + 1))
@@ -799 +790 @@
               else { improvement 1 }
               begin
-                Sprite(OffScreen, HGrTerrain, ofs, i * 24 + 11 - 2 * yyt,
+                Sprite(OffScreen, HGrTerrain, ofs, I * 24 + 11 - 2 * yyt,
                   xxt * 2, yyt * 3, 1 + 2 * (xxt * 2 + 1),
                   1 + (9 + HelpLineInfo.Picpix) * (yyt * 3 + 1));
-                Sprite(OffScreen, HGrTerrain, ofs, i * 24 + 11 - 2 * yyt,
+                Sprite(OffScreen, HGrTerrain, ofs, I * 24 + 11 - 2 * yyt,
                   xxt * 2, yyt * 3, 1 + 5 * (xxt * 2 + 1),
                   1 + (9 + HelpLineInfo.Picpix) * (yyt * 3 + 1))
               end;
-              x0[i] := x0[i] + 8;
+              x0[I] := x0[I] + 8;
             end;
           pkModel:
             begin
-              FrameImage(OffScreen.Canvas, BigImp, x0[i] + 12, i * 24 - 7,
+              FrameImage(OffScreen.Canvas, BigImp, x0[I] + 12, I * 24 - 7,
                 56, 40, 0, 0);
-              Sprite(OffScreen, HGrStdUnits, x0[i] + 8, i * 24 - 11, 64, 44,
+              Sprite(OffScreen, HGrStdUnits, x0[I] + 8, I * 24 - 11, 64, 44,
                 1 + HelpLineInfo.Picpix mod 10 * 65,
                 1 + HelpLineInfo.Picpix div 10 * 49);
-              x0[i] := 64 + 8 + 8 + x0[i];
+              x0[I] := 64 + 8 + 8 + x0[I];
             end;
           pkFeature:
             begin
-              DarkGradient(OffScreen.Canvas, x0[i] + 8 - 1,
-                7 + i * 24 - 3, 16, 1);
-              ScreenTools.Frame(OffScreen.Canvas, x0[i] + 8, 7 + i * 24 - 2, x0[i] + 8 + 13,
-                7 + i * 24 - 2 + 13, $C0C0C0, $C0C0C0);
-              Sprite(OffScreen, HGrSystem, x0[i] + 8 + 2, 7 + i * 24, 10, 10,
+              DarkGradient(OffScreen.Canvas, x0[I] + 8 - 1,
+                7 + I * 24 - 3, 16, 1);
+              ScreenTools.Frame(OffScreen.Canvas, x0[I] + 8, 7 + I * 24 - 2, x0[I] + 8 + 13,
+                7 + I * 24 - 2 + 13, $C0C0C0, $C0C0C0);
+              Sprite(OffScreen, HGrSystem, x0[I] + 8 + 2, 7 + I * 24, 10, 10,
                 66 + HelpLineInfo.Picpix mod 11 * 11,
                 137 + HelpLineInfo.Picpix div 11 * 11);
-              x0[i] := x0[i] + 8 + 8 + 2 + 13;
+              x0[I] := x0[I] + 8 + 8 + 2 + 13;
             end;
           pkExp:
             begin
-              ScreenTools.Frame(OffScreen.Canvas, 20 - 1, 8 - 4 + i * 24, 20 + 12,
-                8 + 11 + i * 24, $000000, $000000);
-              Dump(OffScreen, HGrSystem, 20, 8 - 3 + i * 24, 12, 14,
+              ScreenTools.Frame(OffScreen.Canvas, 20 - 1, 8 - 4 + I * 24, 20 + 12,
+                8 + 11 + I * 24, $000000, $000000);
+              Dump(OffScreen, HGrSystem, 20, 8 - 3 + I * 24, 12, 14,
                 121 + HelpLineInfo.Picpix * 13, 28);
-              x0[i] := 20 + 8 + 11;
+              x0[I] := 20 + 8 + 11;
             end;
           pkAITStat:
             begin
-              Sprite(OffScreen, HGrSystem, 20, 6 + i * 24, 14, 14,
+              Sprite(OffScreen, HGrSystem, 20, 6 + I * 24, 14, 14,
                 1 + HelpLineInfo.Picpix * 15, 316);
-              x0[i] := 20 + 8 + 11;
+              x0[I] := 20 + 8 + 11;
             end;
           pkGov:
             begin
-              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[i], 2 - 1 + i * 24,
-                8 + xSizeSmall + x0[i], 2 + 20 + i * 24, $000000, $000000);
-              DpiBitCanvas(OffScreen.Canvas, 8 + x0[i], 2 + i * 24, xSizeSmall,
+              ScreenTools.Frame(OffScreen.Canvas, 8 - 1 + x0[I], 2 - 1 + I * 24,
+                8 + xSizeSmall + x0[I], 2 + 20 + I * 24, $000000, $000000);
+              DpiBitBltCanvas(OffScreen.Canvas, 8 + x0[I], 2 + I * 24, xSizeSmall,
                 ySizeSmall, SmallImp.Canvas, (HelpLineInfo.Picpix - 1) *
                 xSizeSmall, ySizeSmall);
-              x0[i] := x0[i] + (8 + 8 + 36);
+              x0[I] := x0[I] + (8 + 8 + 36);
             end;
           pkDot:
             begin
-              Sprite(OffScreen, HGrSystem, x0[i] + 18, 9 + i * 24, 8,
+              Sprite(OffScreen, HGrSystem, x0[I] + 18, 9 + I * 24, 8,
                 8, 81, 16);
-              x0[i] := 20 + 8 + 4;
+              x0[I] := 20 + 8 + 4;
             end;
           pkNormal_Dot:
-            x0[i] := 20 + 8 + 4;
+            x0[I] := 20 + 8 + 4;
           pkNormal_64:
-            x0[i] := 64 + 8 + 8;
+            x0[I] := 64 + 8 + 8;
         else
-          x0[i] := x0[i] + 8;
+          x0[I] := x0[I] + 8;
         end;
-        Self.Line(OffScreen.Canvas, i, False)
+        Self.Line(OffScreen.Canvas, I, False)
       end;
   end;
@@ -873 +864 @@
 begin
   Sel := -1;
-  SmartUpdateContent(true)
-end;
-
-procedure THelpDlg.Prepare(sbPos: integer = 0);
+  SmartUpdateContent(True);
+end;
+
+procedure THelpDlg.Prepare(sbPos: Integer = 0);
 var
-  i, j, Special, Domain, Headline, TerrType, TerrSubType: integer;
-  s: string;
-  ps: pchar;
+  I, J, Special, Domain, Headline, TerrType, TerrSubType: Integer;
+  S: string;
+  ps: PChar;
   List: THyperText;
   CheckSeeAlso: Boolean;
 
-  procedure AddAdvance(i: integer);
-  begin
-    MainText.AddLine(Phrases.Lookup('ADVANCES', i), pkAdvIcon, i,
-      hkAdv + hkCrossLink, i);
-  end;
-
-  procedure AddPreqAdv(i: integer);
-  begin
-    MainText.AddLine(Phrases.Lookup('ADVANCES', i), pkAdvIcon_AsPreq, i,
-      hkAdv + hkCrossLink, i);
-  end;
-
-  procedure AddImprovement(i: integer);
-  begin
-    MainText.AddLine(Phrases.Lookup('IMPROVEMENTS', i), pkSmallIcon, i,
-      hkImp + hkCrossLink, i);
-  end;
-
-  procedure AddPreqImp(i: integer);
-  begin
-    MainText.AddLine(Phrases.Lookup('IMPROVEMENTS', i), pkSmallIcon_AsPreq, i,
-      hkImp + hkCrossLink, i);
-  end;
-
-  procedure AddTerrain(i: integer);
+  procedure AddAdvance(I: Integer);
+  begin
+    MainText.AddLine(Phrases.Lookup('ADVANCES', I), pkAdvIcon, I,
+      hkAdv, I, True);
+  end;
+
+  procedure AddPreqAdv(I: Integer);
+  begin
+    MainText.AddLine(Phrases.Lookup('ADVANCES', I), pkAdvIcon_AsPreq, I,
+      hkAdv, I, True);
+  end;
+
+  procedure AddImprovement(I: Integer);
+  begin
+    MainText.AddLine(Phrases.Lookup('IMPROVEMENTS', I), pkSmallIcon, I,
+      hkImp, I, True);
+  end;
+
+  procedure AddPreqImp(I: Integer);
+  begin
+    MainText.AddLine(Phrases.Lookup('IMPROVEMENTS', I), pkSmallIcon_AsPreq, I,
+      hkImp, I, True);
+  end;
+
+  procedure AddTerrain(I: Integer);
   begin
     if MainText.Count > 1 then
@@ -914 +905 @@
       MainText.LineFeed;
     end;
-    MainText.AddLine(Phrases.Lookup('TERRAIN', i), pkTer, i, hkTer, i);
-  end;
-
-  procedure AddFeature(i: integer);
-  begin
-    MainText.AddLine(Phrases.Lookup('FEATURES', i), pkFeature, i,
-      hkFeature + hkCrossLink, i);
-  end;
-
-  procedure AddModel(i: integer);
+    MainText.AddLine(Phrases.Lookup('TERRAIN', I), pkTer, I, hkTer, I);
+  end;
+
+  procedure AddFeature(I: Integer);
+  begin
+    MainText.AddLine(Phrases.Lookup('FEATURES', I), pkFeature, I,
+      hkFeature, I, True);
+  end;
+
+  procedure AddModel(I: Integer);
   var
-    pix: integer;
+    pix: Integer;
     Name: string;
   begin
     if MainText.Count > 1 then
       MainText.LineFeed;
-    FindStdModelPicture(SpecialModelPictureCode[i], pix, Name);
-    MainText.AddLine(Name, pkModel, pix, hkModel + hkCrossLink, i)
+    FindStdModelPicture(SpecialModelPictureCode[I], pix, Name);
+    MainText.AddLine(Name, pkModel, pix, hkModel, I, True);
   end;
 
   procedure AddStandardBlock(Item: string);
   var
-    i: integer;
+    I: Integer;
   begin
     with MainText do
@@ -947 +938 @@
       else if Item = 'TECHFORMULA' then
       begin
-        i := Difficulty;
-        if i = 0 then
-          i := 2;
-        AddLine(Format(HelpText.Lookup('TECHFORMULA'), [TechFormula_M[i],
-          TechFormula_D[i]]))
+        I := Difficulty;
+        if I = 0 then
+          I := 2;
+        AddLine(Format(HelpText.Lookup('TECHFORMULA'), [TechFormula_M[I],
+          TechFormula_D[I]]));
       end
       else if Item = 'EXPERIENCE' then
-        for i := 0 to nExp - 1 do
-          AddLine(Phrases.Lookup('EXPERIENCE', i), pkExp, i)
+        for I := 0 to nExp - 1 do
+          AddLine(Phrases.Lookup('EXPERIENCE', I), pkExp, I)
       else if Item = 'MODERN' then
-        for i := 1 to 3 do
+        for I := 1 to 3 do
         begin
           LineFeed;
-          AddLine(Phrases.Lookup('TERRAIN', 3 * 12 + i), pkTer, 3 * 12 + i);
+          AddLine(Phrases.Lookup('TERRAIN', 3 * 12 + I), pkTer, 3 * 12 + I);
         end
       else if Item = 'SAVED' then
         AddLine(DataDir + 'Saved', pkNormal)
       else if Item = 'AITSTAT' then
-        for i := 0 to 3 do
-          AddLine(Phrases2.Lookup('AITSTAT', i), pkAITStat, i)
-    end
-  end;
-
-  procedure DecodeItem(s: string; var Category, Index: Integer);
+        for I := 0 to 3 do
+          AddLine(Phrases2.Lookup('AITSTAT', I), pkAITStat, I)
+    end;
+  end;
+
+  procedure DecodeItem(S: string; var Category: TLinkCategory; var Index: Integer);
   var
-    i: Integer;
-  begin
-    if (Length(s) > 0) and (s[1] = ':') then begin
+    I: Integer;
+  begin
+    if (Length(S) > 0) and (S[1] = ':') then begin
       Category := hkMisc;
       Index := 0;
-      for i := 3 to length(s) do
-        Index := Index * 10 + Ord(s[i]) - 48;
-      case s[2] of
+      for I := 3 to Length(S) do
+        Index := Index * 10 + Ord(S[I]) - 48;
+      case S[2] of
         'A': Category := hkAdv;
         'B': Category := hkImp;
@@ -986 +977 @@
         'E': Category := hkInternet;
         'S': Category := hkModel;
-        'C': Index := miscCredits;
-        'J': Index := miscJobList;
-        'G': Index := miscGovList;
+        'C': Index := Integer(miscCredits);
+        'J': Index := Integer(miscJobList);
+        'G': Index := Integer(miscGovList);
       end;
       if (Category <> hkMisc) and (Index = 0) then
@@ -994 +985 @@
     end else begin
       Category := hkText;
-      Index := HelpText.Gethandle(Copy(s, 1, 255));
+      Index := HelpText.GetHandle(Copy(S, 1, 255));
     end;
   end;
 
-  procedure AddTextual(s: string);
+  procedure AddTextual(S: string);
   var
-    i: Integer;
-    p: Integer;
-    l: Integer;
+    I: Integer;
+    P: Integer;
+    L: Integer;
     ofs: Integer;
-    CurrentFormat: Integer;
-    FollowFormat: Integer;
+    CurrentFormat: TTextFormat;
+    FollowFormat: TTextFormat;
     Picpix: Integer;
-    LinkCategory: Integer;
+    LinkCategory: TLinkCategory;
+    CrossLink: Boolean;
     LinkIndex: Integer;
     RightMargin: Integer;
@@ -1013 +1005 @@
     Text: string;
   begin
+    CrossLink := False;
     RightMargin := InnerWidth - 16 - DpiGetSystemMetrics(SM_CXVSCROLL);
     FollowFormat := pkNormal;
-    while s <> '' do
+    while S <> '' do
     begin
       Picpix := 0;
-      LinkCategory := 0;
+      LinkCategory := hkNoLink;
       LinkIndex := 0;
-      if s[1] = '$' then
-      begin // window caption
-        p := 1;
+      if S[1] = '$' then
+      begin // Window caption
+        P := 1;
         repeat
-          inc(p)
-        until (p > Length(s)) or (s[p] = '\');
-        Caption := Copy(s, 2, p - 2);
-        Delete(s, 1, p);
+          Inc(P);
+        until (P > Length(S)) or (S[P] = '\');
+        Caption := Copy(S, 2, P - 2);
+        Delete(S, 1, P);
       end
-      else if s[1] = '&' then
-      begin // standard block
-        p := 1;
+      else if S[1] = '&' then
+      begin // Standard block
+        P := 1;
         repeat
-          inc(p)
-        until (p > Length(s)) or (s[p] = '\');
-        AddStandardBlock(Copy(s, 2, p - 2));
-        Delete(s, 1, p);
+          Inc(P);
+        until (P > Length(S)) or (S[P] = '\');
+        AddStandardBlock(Copy(S, 2, P - 2));
+        Delete(S, 1, P);
       end
-      else if s[1] = '@' then
-      begin // image
-        if (Length(s) >= 2) and (s[2] = '@') then
-        begin // generate from icon
+      else if S[1] = '@' then
+      begin // Image
+        if (Length(S) >= 2) and (S[2] = '@') then
+        begin // Generate from icon
           Picpix := 0;
-          p := 3;
-          while (p <= Length(s)) and (s[p] <> '\') do
+          P := 3;
+          while (P <= Length(S)) and (S[P] <> '\') do
           begin
-            Picpix := Picpix * 10 + Ord(s[p]) - 48;
-            inc(p)
+            Picpix := Picpix * 10 + Ord(S[P]) - 48;
+            Inc(P);
           end;
           if (Picpix < 0) or (Picpix >= nImp) then
@@ -1057 +1050 @@
         else
         begin // external image
-          p := 1;
+          P := 1;
           repeat
-            Inc(p)
-          until (p > Length(s)) or (s[p] = '\');
+            Inc(P);
+          until (P > Length(S)) or (S[P] = '\');
           if LoadGraphicFile(ExtPic, LocalizedFilePath('Help' +
-            DirectorySeparator + Copy(s, 2, p - 2)) + '.png') then
+            DirectorySeparator + Copy(S, 2, P - 2)) + '.png') then
           begin
             MainText.AddLine('', pkExternal);
-            for i := 0 to (ExtPic.Height - 12) div 24 do
+            for I := 0 to (ExtPic.Height - 12) div 24 do
               MainText.LineFeed;
           end;
         end;
-        Delete(s, 1, p);
+        Delete(S, 1, P);
       end
       else
       begin
-        case s[1] of
+        case S[1] of
           ':', ';':
             begin // link
-              p := 1;
+              P := 1;
               repeat
-                inc(p)
-              until (p > Length(s)) or (s[p] = '\') or (s[p] = ' ');
-              DecodeItem(Copy(s, 2, p - 2), LinkCategory, LinkIndex);
-              CurrentFormat := 0;
+                Inc(P);
+              until (P > Length(S)) or (S[P] = '\') or (S[P] = ' ');
+              DecodeItem(Copy(S, 2, P - 2), LinkCategory, LinkIndex);
+              CurrentFormat := pkNormal;
               if (LinkCategory <> hkText) and (LinkIndex < 200) then
               // show icon
@@ -1088 +1081 @@
                     begin
                       CurrentFormat := pkAdvIcon;
-                      Picpix := LinkIndex
+                      Picpix := LinkIndex;
                     end;
                   hkImp:
                     begin
                       CurrentFormat := pkSmallIcon;
-                      Picpix := LinkIndex
+                      Picpix := LinkIndex;
                     end;
                   hkTer:
@@ -1103 +1096 @@
                     begin
                       CurrentFormat := pkFeature;
-                      Picpix := LinkIndex
+                      Picpix := LinkIndex;
                     end;
                   hkModel:
@@ -1112 +1105 @@
                     end;
                 end;
-              if s[1] = ':' then
-                LinkCategory := LinkCategory + hkCrossLink;
-              if (p > Length(s)) or (s[p] = ' ') then
-                Delete(s, 1, p)
+              if S[1] = ':' then
+                CrossLink := True;
+              if (P > Length(S)) or (S[P] = ' ') then
+                Delete(S, 1, P)
               else
-                Delete(s, 1, p - 1)
-            end;
-          '!': // highlited
-            if (Length(s) >= 2) and (s[2] = '!') then
+                Delete(S, 1, P - 1)
+            end;
+          '!': // highlighted
+            if (Length(S) >= 2) and (S[2] = '!') then
             begin
               if MainText.Count > 1 then
@@ -1126 +1119 @@
               FollowFormat := pkCaption;
               CurrentFormat := pkCaption;
-              Delete(s, 1, 2);
+              Delete(S, 1, 2);
             end
             else
@@ -1132 +1125 @@
               FollowFormat := pkSection;
               CurrentFormat := pkSection;
-              Delete(s, 1, 1);
+              Delete(S, 1, 1);
             end;
           '-':
@@ -1138 +1131 @@
               FollowFormat := pkNormal_Dot;
               CurrentFormat := pkDot;
-              Delete(s, 1, 1);
+              Delete(S, 1, 1);
             end;
         else
@@ -1147 +1140 @@
         else
           ofs := 8;
-        p := 0;
+        P := 0;
         repeat
           repeat
-            Inc(p)
-          until (p > Length(s)) or (s[p] = ' ') or (s[p] = '\');
-          if (BiColorTextWidth(OffScreen.Canvas, Copy(s, 1, p - 1)) <=
+            Inc(P)
+          until (P > Length(S)) or (S[P] = ' ') or (S[P] = '\');
+          if (BiColorTextWidth(OffScreen.Canvas, Copy(S, 1, P - 1)) <=
             RightMargin - ofs) then
-            l := p - 1
+            L := P - 1
           else
             Break;
-        until (p >= Length(s)) or (s[l + 1] = '\');
-        Text := Copy(s, 1, l);
-        if LinkCategory and $3f = hkInternet then begin
+        until (P >= Length(S)) or (S[L + 1] = '\');
+        Text := Copy(S, 1, L);
+        if LinkCategory = hkInternet then begin
           if LinkIndex = 1 then Text := AITemplateManual
           else if LinkIndex = 2 then Text := CevoHomepageShort
@@ -1165 +1158 @@
         end;
         MainText.AddLine(Text, CurrentFormat, Picpix, LinkCategory,
-          LinkIndex);
-        if (l < Length(s)) and (s[l + 1] = '\') then
+          LinkIndex, CrossLink);
+        if (L < Length(S)) and (S[L + 1] = '\') then
           FollowFormat := pkNormal;
-        Delete(s, 1, l + 1);
-      end
-    end
+        Delete(S, 1, L + 1);
+      end;
+    end;
   end;
 
@@ -1178 +1171 @@
   end;
 
-  procedure AddModelText(i: Integer);
+  procedure AddModelText(I: Integer);
   var
     pix: Integer;
-    s: string;
+    S: string;
   begin
     with MainText do begin
@@ -1188 +1181 @@
         LineFeed;
       end;
-      FindStdModelPicture(SpecialModelPictureCode[i], pix, s);
-      AddLine(s, pkSection);
-      AddLine(Format(HelpText.Lookup('STRENGTH'), [SpecialModel[i].Attack,
-        SpecialModel[i].Defense]), pkNormal_64);
+      FindStdModelPicture(SpecialModelPictureCode[I], pix, S);
+      AddLine(S, pkSection);
+      AddLine(Format(HelpText.Lookup('STRENGTH'), [SpecialModel[I].Attack,
+        SpecialModel[I].Defense]), pkNormal_64);
       AddLine(Format(HelpText.Lookup('SPEED'),
-        [MovementToString(SpecialModel[i].Speed)]), pkModel, pix);
+        [MovementToString(SpecialModel[I].Speed)]), pkModel, pix);
       if Difficulty = 0 then
-        AddLine(Format(HelpText.Lookup('BUILDCOST'), [SpecialModel[i].Cost]),
+        AddLine(Format(HelpText.Lookup('BUILDCOST'), [SpecialModel[I].Cost]),
           pkNormal_64)
       else
         AddLine(Format(HelpText.Lookup('BUILDCOST'),
-          [SpecialModel[i].Cost * BuildCostMod[Difficulty] div 12]),
+          [SpecialModel[I].Cost * BuildCostMod[Difficulty] div 12]),
           pkNormal_64);
-      s := HelpText.LookupByHandle(hSPECIALMODEL, i);
-      if (s <> '') and (s <> '*') then
-        AddTextual(s);
-      if SpecialModelPreq[i] >= 0 then
-        AddPreqAdv(SpecialModelPreq[i])
-      else if SpecialModelPreq[i] = preLighthouse then
+      S := HelpText.LookupByHandle(hSPECIALMODEL, I);
+      if (S <> '') and (S <> '*') then
+        AddTextual(S);
+      if SpecialModelPreq[I] >= 0 then
+        AddPreqAdv(SpecialModelPreq[I])
+      else if SpecialModelPreq[I] = preLighthouse then
         AddPreqImp(woLighthouse)
-      else if SpecialModelPreq[i] = preBuilder then
+      else if SpecialModelPreq[I] = preBuilder then
         AddPreqImp(woPyramids)
-      else if SpecialModelPreq[i] = preLeo then
+      else if SpecialModelPreq[I] = preLeo then
         AddPreqImp(woLeo);
-      if SpecialModelPreq[i] <> preNone then
+      if SpecialModelPreq[I] <> preNone then
         MainText[Count - 1] := Format(HelpText.Lookup('REQUIRED'),
           [MainText[Count - 1]]);
@@ -1220 +1213 @@
   procedure AddJobList;
   var
-    i, JobCost: Integer;
+    I, JobCost: Integer;
   begin
     with MainText do begin
-      for i := 0 to nJobHelp - 1 do begin
-        if i > 0 then begin
+      for I := 0 to Length(JobHelp) - 1 do begin
+        if I > 0 then begin
           LineFeed;
           LineFeed;
         end;
-        AddLine(Phrases.Lookup('JOBRESULT', JobHelp[i]), pkSection);
+        AddLine(Phrases.Lookup('JOBRESULT', JobHelp[I]), pkSection);
         AddLine;
-        AddLine('', pkTerImp, i);
+        AddLine('', pkTerImp, I);
         AddLine;
-        AddTextual(HelpText.LookupByHandle(hJOBHELP, i));
+        AddTextual(HelpText.LookupByHandle(hJOBHELP, I));
         JobCost := -1;
-        case JobHelp[i] of
+        case JobHelp[I] of
           jCanal: JobCost := CanalWork;
           jFort: JobCost := FortWork;
@@ -1244 +1237 @@
         else
           AddTextual(HelpText.Lookup('JOBCOSTVAR'));
-        if JobPreq[JobHelp[i]] <> preNone then begin
-          AddPreqAdv(JobPreq[JobHelp[i]]);
+        if JobPreq[JobHelp[I]] <> preNone then begin
+          AddPreqAdv(JobPreq[JobHelp[I]]);
           MainText[Count - 1] := Format(HelpText.Lookup('REQUIRED'),
             [MainText[Count - 1]]);
@@ -1255 +1248 @@
   procedure AddGraphicCredits;
   var
-    i: Integer;
-    s: string;
+    I: Integer;
+    S: string;
     sr: TSearchRec;
     List, Plus: TStringList;
@@ -1271 +1264 @@
 
     List.Sort;
-    i := 1;
-    while i < List.Count do
-      if List[i] = List[i - 1] then
-        List.Delete(i)
+    I := 1;
+    while I < List.Count do
+      if List[I] = List[I - 1] then
+        List.Delete(I)
       else
-        Inc(i);
-
-    for i := 0 to List.Count - 1 do begin
-      s := List[i];
-      while BiColorTextWidth(OffScreen.Canvas, s) > InnerWidth - 16 -
+        Inc(I);
+
+    for I := 0 to List.Count - 1 do begin
+      S := List[I];
+      while BiColorTextWidth(OffScreen.Canvas, S) > InnerWidth - 16 -
         DpiGetSystemMetrics(SM_CXVSCROLL) do
-        Delete(s, length(s), 1);
-      MainText.AddLine(s);
+        Delete(S, Length(S), 1);
+      MainText.AddLine(S);
     end;
     FreeAndNil(List);
@@ -1290 +1283 @@
   procedure AddSoundCredits;
   var
-    i: Integer;
-    s: string;
+    I: Integer;
+    S: string;
     List: TStringList;
   begin
     List := TStringList.Create;
     List.LoadFromFile(GetSoundsDir + DirectorySeparator + 'sound.credits.txt');
-    for i := 0 to List.Count - 1 do begin
-      s := List[i];
-      while BiColorTextWidth(OffScreen.Canvas, s) > InnerWidth - 16 -
+    for I := 0 to List.Count - 1 do begin
+      S := List[I];
+      while BiColorTextWidth(OffScreen.Canvas, S) > InnerWidth - 16 -
         DpiGetSystemMetrics(SM_CXVSCROLL) do
-        Delete(s, length(s), 1);
-      MainText.AddLine(s);
+        Delete(S, Length(S), 1);
+      MainText.AddLine(S);
     end;
     FreeAndNil(List);
@@ -1323 +1316 @@
     Clear;
     Headline := -1;
-    if (no >= 200) or not(Kind in [hkAdv, hkImp, hkTer, hkFeature]) then
+    if (No >= 200) or not (Kind in [hkAdv, hkImp, hkTer, hkFeature]) then
       LineFeed;
     case Kind of
       hkText:
-        AddTextual(HelpText.LookupByHandle(no));
+        AddTextual(HelpText.LookupByHandle(No));
       hkMisc:
         begin
-          case no of
-            miscMain:
+          case No of
+            Integer(miscMain):
               begin
                 Caption := HelpText.Lookup('HELPTITLE_MAIN');
                 AddLine(HelpText.Lookup('HELPTITLE_QUICKSTART'), pkSpecialIcon,
-                  0, { pkBigIcon,22, } hkText, HelpText.Gethandle('QUICK'));
+                  0, { pkBigIcon,22, } hkText, HelpText.GetHandle('QUICK'));
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_CONCEPTS'), pkBigIcon, 6,
@@ -1344 +1337 @@
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_JOBLIST'), pkSpecialIcon, 2,
-                  hkMisc, miscJobList);
+                  hkMisc, Integer(miscJobList));
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_TECHLIST'), pkBigIcon, 39,
                   hkAdv, 200);
                 LineFeed;
-                FindStdModelPicture(SpecialModelPictureCode[6], i, s);
-                AddLine(HelpText.Lookup('HELPTITLE_MODELLIST'), pkModel, i,
+                FindStdModelPicture(SpecialModelPictureCode[6], I, S);
+                AddLine(HelpText.Lookup('HELPTITLE_MODELLIST'), pkModel, I,
                   hkModel, 0);
                 LineFeed;
@@ -1366 +1359 @@
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_GOVLIST'), pkBigIcon,
-                  gDemocracy + 6, hkMisc, miscGovList);
+                  gDemocracy + 6, hkMisc, Integer(miscGovList));
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_KEYS'), pkBigIcon, 2, hkText,
@@ -1375 +1368 @@
                 LineFeed;
                 AddLine(HelpText.Lookup('HELPTITLE_CREDITS'), pkBigIcon, 22,
-                  hkMisc, miscCredits);
+                  hkMisc, Integer(miscCredits));
               end;
-            miscCredits:
+            Integer(miscCredits):
               begin
                 AddItem('CREDITS');
@@ -1390 +1383 @@
                 AddItem('AUTHOR');
               end;
-            miscJobList:
+            Integer(miscJobList):
               begin
                 Caption := HelpText.Lookup('HELPTITLE_JOBLIST');
@@ -1399 +1392 @@
                 AddItem('TERIMPCITY');
               end;
-            miscGovList:
+            Integer(miscGovList):
               begin
                 Caption := HelpText.Lookup('HELPTITLE_GOVLIST');
-                for i := 1 to nGov do
+                for I := 1 to nGov do
                 begin
-                  AddLine(Phrases.Lookup('GOVERNMENT', i mod nGov), pkSection);
+                  AddLine(Phrases.Lookup('GOVERNMENT', I mod nGov), pkSection);
                   LineFeed;
-                  if i = nGov then
+                  if I = nGov then
                     AddLine('', pkBigIcon, 7 * SystemIconLines + imPalace)
                   else
-                    AddLine('', pkBigIcon, i + 6);
+                    AddLine('', pkBigIcon, I + 6);
                   LineFeed;
-                  AddTextual(HelpText.LookupByHandle(hGOVHELP, i mod nGov));
-                  if i mod nGov >= 2 then
+                  AddTextual(HelpText.LookupByHandle(hGOVHELP, I mod nGov));
+                  if I mod nGov >= 2 then
                   begin
-                    AddPreqAdv(GovPreq[i mod nGov]);
+                    AddPreqAdv(GovPreq[I mod nGov]);
                     MainText[Count - 1] := Format(HelpText.Lookup('REQUIRED'),
                       [MainText[Count - 1]]);
                   end;
-                  if i < nGov then
+                  if I < nGov then
                   begin
                     LineFeed;
@@ -1425 +1418 @@
                 end;
               end;
-            miscSearchResult:
+            Integer(miscSearchResult):
               begin
                 Caption := HelpText.Lookup('HELPTITLE_SEARCHRESULTS');
@@ -1431 +1424 @@
                 MainText.AppendList(SearchResult);
               end;
-          end; // case no
+          end; // case No
         end;
 
       hkAdv:
-        if no = 200 then
+        if No = 200 then
         begin // complete advance list
           Caption := HelpText.Lookup('HELPTITLE_TECHLIST');
           List := THyperText.Create;
           List.OwnsObjects := True;
-          for j := 0 to 3 do
+          for J := 0 to 3 do
           begin
-            if j > 0 then
+            if J > 0 then
             begin
               LineFeed;
               LineFeed;
             end;
-            AddLine(HelpText.Lookup('TECHAGE', j), pkSection);
-            if j = 1 then
+            AddLine(HelpText.Lookup('TECHAGE', J), pkSection);
+            if J = 1 then
               AddLine(Phrases.Lookup('ADVANCES', adScience) + ' ' +
                 HelpText.Lookup('BASETECH'), pkAdvIcon, adScience, hkAdv,
                 adScience);
-            if j = 2 then
+            if J = 2 then
               AddLine(Phrases.Lookup('ADVANCES', adMassProduction) + ' ' +
                 HelpText.Lookup('BASETECH'), pkAdvIcon, adMassProduction, hkAdv,
                 adMassProduction);
             List.Clear;
-            for i := 0 to nAdv - 1 do
-              if (i <> adScience) and (i <> adMassProduction) and
-                (AdvValue[i] div 1000 = j) then
-                List.AddLine(Phrases.Lookup('ADVANCES', i), pkAdvIcon, i,
-                  hkAdv, i);
+            for I := 0 to nAdv - 1 do
+              if (I <> adScience) and (I <> adMassProduction) and
+                (AdvValue[I] div 1000 = J) then
+                List.AddLine(Phrases.Lookup('ADVANCES', I), pkAdvIcon, I,
+                  hkAdv, I);
             List.Sort;
             AppendList(List);
@@ -1469 +1462 @@
         else // single advance
         begin
-          Caption := Phrases.Lookup('ADVANCES', no);
+          Caption := Phrases.Lookup('ADVANCES', No);
           LineFeed;
-          AddLine(Phrases.Lookup('ADVANCES', no), pkCaption);
-          if no in FutureTech then
+          AddLine(Phrases.Lookup('ADVANCES', No), pkCaption);
+          if No in FutureTech then
           begin
             AddLine(HelpText.Lookup('HELPSPEC_FUTURE'));
             LineFeed;
-            if no = futResearchTechnology then
+            if No = futResearchTechnology then
               AddItem('FUTURETECHHELP100')
             else
@@ -1483 +1476 @@
           else
             AddLine(HelpText.Lookup('HELPSPEC_ADV'));
-          if AdvPreq[no, 2] <> preNone then
+          if AdvPreq[No, 2] <> preNone then
             NextSection('PREREQALT')
           else
             NextSection('PREREQ');
-          for i := 0 to 2 do
-            if AdvPreq[no, i] <> preNone then
-              AddPreqAdv(AdvPreq[no, i]);
+          for I := 0 to 2 do
+            if AdvPreq[No, I] <> preNone then
+              AddPreqAdv(AdvPreq[No, I]);
           NextSection('GOVALLOW');
-          for i := 2 to nGov - 1 do
-            if GovPreq[i] = no then
-              AddLine(Phrases.Lookup('GOVERNMENT', i), pkGov, i,
-                hkMisc + hkCrossLink, miscGovList);
+          for I := 2 to nGov - 1 do
+            if GovPreq[I] = No then
+              AddLine(Phrases.Lookup('GOVERNMENT', I), pkGov, I,
+                hkMisc, Integer(miscGovList), True);
           NextSection('BUILDALLOW');
-          for i := 0 to nWonder - 1 do
-            if Imp[i].Preq = no then
-              AddImprovement(i);
-          for i := nWonder to nImp - 1 do
-            if (Imp[i].Preq = no) and (Imp[i].Kind <> ikCommon) then
-              AddImprovement(i);
-          for i := nWonder to nImp - 1 do
-            if (Imp[i].Preq = no) and (Imp[i].Kind = ikCommon) then
-              AddImprovement(i);
+          for I := 0 to nWonder - 1 do
+            if Imp[I].Preq = No then
+              AddImprovement(I);
+          for I := nWonder to nImp - 1 do
+            if (Imp[I].Preq = No) and (Imp[I].Kind <> ikCommon) then
+              AddImprovement(I);
+          for I := nWonder to nImp - 1 do
+            if (Imp[I].Preq = No) and (Imp[I].Kind = ikCommon) then
+              AddImprovement(I);
           NextSection('MODELALLOW');
-          for i := 0 to nSpecialModel - 1 do
-            if SpecialModelPreq[i] = no then
-              AddModel(i);
+          for I := 0 to nSpecialModel - 1 do
+            if SpecialModelPreq[I] = No then
+              AddModel(I);
           NextSection('FEATALLOW');
-          for i := 0 to nFeature - 1 do
-            if Feature[i].Preq = no then
-              AddFeature(i);
+          for I := 0 to nFeature - 1 do
+            if Feature[I].Preq = No then
+              AddFeature(I);
           NextSection('FOLLOWADV');
-          for i := 0 to nAdv - 1 do
-            if (AdvPreq[i, 0] = no) or (AdvPreq[i, 1] = no) or
-              (AdvPreq[i, 2] = no) then
-              AddAdvance(i);
+          for I := 0 to nAdv - 1 do
+            if (AdvPreq[I, 0] = No) or (AdvPreq[I, 1] = No) or
+              (AdvPreq[I, 2] = No) then
+              AddAdvance(I);
           NextSection('UPGRADEALLOW');
           for Domain := 0 to nDomains - 1 do
-            for i := 1 to nUpgrade - 1 do
-              if upgrade[Domain, i].Preq = no then
+            for I := 1 to nUpgrade - 1 do
+              if upgrade[Domain, I].Preq = No then
               begin
-                if upgrade[Domain, i].Strength > 0 then
+                if upgrade[Domain, I].Strength > 0 then
                   AddLine(Format(HelpText.Lookup('STRENGTHUP'),
                     [Phrases.Lookup('DOMAIN', Domain), upgrade[Domain,
-                    i].Strength]), pkDomain, Domain);
-                if upgrade[Domain, i].Trans > 0 then
+                    I].Strength]), pkDomain, Domain);
+                if upgrade[Domain, I].Trans > 0 then
                   AddLine(Format(HelpText.Lookup('TRANSUP'),
-                    [Phrases.Lookup('DOMAIN', Domain), upgrade[Domain, i].Trans]
+                    [Phrases.Lookup('DOMAIN', Domain), upgrade[Domain, I].Trans]
                     ), pkDomain, Domain);
-                if no in FutureTech then
+                if No in FutureTech then
                   AddLine(Format(HelpText.Lookup('COSTUP'),
-                    [upgrade[Domain, i].Cost]), pkNormal_Dot)
+                    [upgrade[Domain, I].Cost]), pkNormal_Dot)
                 else
                   AddLine(Format(HelpText.Lookup('COSTMIN'),
-                    [upgrade[Domain, i].Cost]), pkNormal_Dot)
+                    [upgrade[Domain, I].Cost]), pkNormal_Dot)
               end;
           NextSection('EXPIRATION');
-          for i := 0 to nWonder - 1 do
-            if (Imp[i].Preq <> preNA) and (Imp[i].Expiration = no) then
-              AddImprovement(i);
+          for I := 0 to nWonder - 1 do
+            if (Imp[I].Preq <> preNA) and (Imp[I].Expiration = No) then
+              AddImprovement(I);
           NextSection('ADVEFFECT');
-          s := HelpText.LookupByHandle(hADVHELP, no);
-          if s <> '*' then
-            AddTextual(s);
+          S := HelpText.LookupByHandle(hADVHELP, No);
+          if S <> '*' then
+            AddTextual(S);
           NextSection('SEEALSO');
-          CheckSeeAlso := true
+          CheckSeeAlso := True;
         end;
 
       hkImp:
-        if no = 200 then
+        if No = 200 then
         begin // complete city improvement list
           Caption := HelpText.Lookup('HELPTITLE_IMPLIST');
@@ -1557 +1550 @@
           List := THyperText.Create;
           List.OwnsObjects := True;
-          for i := nWonder to nImp - 1 do
-            if (i <> imTrGoods) and (Imp[i].Preq <> preNA) and
-              (Imp[i].Kind = ikCommon) then
-              List.AddLine(Phrases.Lookup('IMPROVEMENTS', i), pkSmallIcon,
-                i, hkImp, i);
+          for I := nWonder to nImp - 1 do
+            if (I <> imTrGoods) and (Imp[I].Preq <> preNA) and
+              (Imp[I].Kind = ikCommon) then
+              List.AddLine(Phrases.Lookup('IMPROVEMENTS', I), pkSmallIcon,
+                I, hkImp, I);
           List.Sort;
           AppendList(List);
           FreeAndNil(List);
         end
-        else if no = 201 then
+        else if No = 201 then
         begin // complete nat. project list
           Caption := HelpText.Lookup('HELPTITLE_UNIQUELIST');
           // AddLine(HelpText.Lookup('HELPTITLE_UNIQUELIST'),pkSection);
-          for i := nWonder to nImp - 1 do
-            if (Imp[i].Preq <> preNA) and
-              ((Imp[i].Kind = ikNatLocal) or (Imp[i].Kind = ikNatGlobal)) then
-              AddLine(Phrases.Lookup('IMPROVEMENTS', i), pkSmallIcon, i,
-                hkImp, i);
+          for I := nWonder to nImp - 1 do
+            if (Imp[I].Preq <> preNA) and
+              ((Imp[I].Kind = ikNatLocal) or (Imp[I].Kind = ikNatGlobal)) then
+              AddLine(Phrases.Lookup('IMPROVEMENTS', I), pkSmallIcon, I,
+                hkImp, I);
           { LineFeed;
             LineFeed;
             AddLine(HelpText.Lookup('HELPTITLE_SHIPPARTLIST'),pkSection);
-            for i:= nWonder to nImp-1 do
-            if (Imp[i].Preq<>preNA) and (Imp[i].Kind=ikShipPart) then
-            AddLine(Phrases.Lookup('IMPROVEMENTS',i),pkSmallIcon,i,hkImp,i); }
+            for I:= nWonder to nImp-1 do
+            if (Imp[I].Preq<>preNA) and (Imp[I].Kind=ikShipPart) then
+            AddLine(Phrases.Lookup('IMPROVEMENTS',I),pkSmallIcon,I,hkImp,I); }
         end
-        else if no = 202 then
+        else if No = 202 then
         begin // complete wonder list
           Caption := HelpText.Lookup('HELPTITLE_WONDERLIST');
           // AddLine(HelpText.Lookup('HELPTITLE_WONDERLIST'),pkSection);
-          for i := 0 to nWonder - 1 do
-            if Imp[i].Preq <> preNA then
-              AddLine(Phrases.Lookup('IMPROVEMENTS', i), pkSmallIcon, i,
-                hkImp, i);
+          for I := 0 to nWonder - 1 do
+            if Imp[I].Preq <> preNA then
+              AddLine(Phrases.Lookup('IMPROVEMENTS', I), pkSmallIcon, I,
+                hkImp, I);
         end
         else
         begin // single building
-          Caption := Phrases.Lookup('IMPROVEMENTS', no);
+          Caption := Phrases.Lookup('IMPROVEMENTS', No);
           LineFeed;
-          AddLine(Phrases.Lookup('IMPROVEMENTS', no), pkRightIcon, no);
-          case Imp[no].Kind of
+          AddLine(Phrases.Lookup('IMPROVEMENTS', No), pkRightIcon, No);
+          case Imp[No].Kind of
             ikWonder: AddLine(HelpText.Lookup('HELPSPEC_WONDER'));
             ikCommon: AddLine(HelpText.Lookup('HELPSPEC_IMP'));
@@ -1603 +1596 @@
             AddLine(HelpText.Lookup('HELPSPEC_NAT'))
           end;
-          if Imp[no].Kind <> ikShipPart then begin
+          if Imp[No].Kind <> ikShipPart then begin
             NextSection('EFFECT');
-            AddTextual(HelpText.LookupByHandle(hIMPHELP, no));
+            AddTextual(HelpText.LookupByHandle(hIMPHELP, No));
           end;
-          if no = woSun then begin
+          if No = woSun then begin
             AddFeature(mcFirst);
             AddFeature(mcWill);
             AddFeature(mcAcademy);
           end;
-          if (no < nWonder) and not Phrases2FallenBackToEnglish then
+          if (No < nWonder) and not Phrases2FallenBackToEnglish then
           begin
             LineFeed;
-            if Imp[no].Expiration >= 0 then
+            if Imp[No].Expiration >= 0 then
               AddTextual(Phrases2.Lookup('HELP_WONDERMORALE1'))
             else
               AddTextual(Phrases2.Lookup('HELP_WONDERMORALE2'));
           end;
-          if Imp[no].Preq <> preNone then
+          if Imp[No].Preq <> preNone then
           begin
             NextSection('PREREQ');
-            AddPreqAdv(Imp[no].Preq);
+            AddPreqAdv(Imp[No].Preq);
           end;
           NextSection('COSTS');
           if Difficulty = 0 then
-            s := Format(HelpText.Lookup('BUILDCOST'), [Imp[no].Cost])
+            S := Format(HelpText.Lookup('BUILDCOST'), [Imp[No].Cost])
           else
-            s := Format(HelpText.Lookup('BUILDCOST'),
-              [Imp[no].Cost * BuildCostMod[Difficulty] div 12]);
-          AddLine(s);
-          if Imp[no].Maint > 0 then
-            AddLine(Format(HelpText.Lookup('MAINTCOST'), [Imp[no].Maint]));
-          j := 0;
-          for i := 0 to nImpReplacement - 1 do
-            if ImpReplacement[i].NewImp = no then
-            begin
-              if j = 0 then
+            S := Format(HelpText.Lookup('BUILDCOST'),
+              [Imp[No].Cost * BuildCostMod[Difficulty] div 12]);
+          AddLine(S);
+          if Imp[No].Maint > 0 then
+            AddLine(Format(HelpText.Lookup('MAINTCOST'), [Imp[No].Maint]));
+          J := 0;
+          for I := 0 to nImpReplacement - 1 do
+            if ImpReplacement[I].NewImp = No then
+            begin
+              if J = 0 then
               begin
                 NextSection('REPLACE');
                 AddItem('REPLACETEXT');
-                j := 1;
+                J := 1;
               end;
-              AddImprovement(ImpReplacement[i].OldImp);
-            end;
-          if Imp[no].Kind = ikShipPart then
+              AddImprovement(ImpReplacement[I].OldImp);
+            end;
+          if Imp[No].Kind = ikShipPart then
           begin
             LineFeed;
-            if no = imShipComp then
-              i := 1
-            else if no = imShipPow then
-              i := 2
-            else { if no=imShipHab then }
-              i := 3;
+            if No = imShipComp then
+              I := 1
+            else if No = imShipPow then
+              I := 2
+            else { if No=imShipHab then }
+              I := 3;
             AddLine(Format(HelpText.Lookup('RAREREQUIRED'),
-              [Phrases.Lookup('TERRAIN', 3 * 12 + i)]), pkTer, 3 * 12 + i);
+              [Phrases.Lookup('TERRAIN', 3 * 12 + I)]), pkTer, 3 * 12 + I);
           end;
-          if (no < nWonder) and (Imp[no].Expiration >= 0) then
+          if (No < nWonder) and (Imp[No].Expiration >= 0) then
           begin
             NextSection('EXPIRATION');
-            s := Format(HelpText.Lookup('EXPWITH'),
-              [Phrases.Lookup('ADVANCES', Imp[no].Expiration)]);
-            if no = woPyramids then
-              s := s + ' ' + HelpText.Lookup('EXPSLAVE');
-            AddTextual(s);
+            S := Format(HelpText.Lookup('EXPWITH'),
+              [Phrases.Lookup('ADVANCES', Imp[No].Expiration)]);
+            if No = woPyramids then
+              S := S + ' ' + HelpText.Lookup('EXPSLAVE');
+            AddTextual(S);
           end;
           NextSection('SEEALSO');
-          if (no < nWonder) and (Imp[no].Expiration >= 0) then
+          if (No < nWonder) and (Imp[No].Expiration >= 0) then
             AddImprovement(woEiffel);
-          for i := 0 to nImpReplacement - 1 do
-            if ImpReplacement[i].OldImp = no then
-              AddImprovement(ImpReplacement[i].NewImp);
-          if no = imSupermarket then
+          for I := 0 to nImpReplacement - 1 do
+            if ImpReplacement[I].OldImp = No then
+              AddImprovement(ImpReplacement[I].NewImp);
+          if No = imSupermarket then
             AddLine(HelpText.Lookup('HELPTITLE_JOBLIST'), pkNormal, 0,
-              hkMisc + hkCrossLink, miscJobList);
-          CheckSeeAlso := true;
+              hkMisc, Integer(miscJobList), True);
+          CheckSeeAlso := True;
         end;
 
       hkTer:
-        if no = 200 then
+        if No = 200 then
         begin // complete terrain type list
           Caption := HelpText.Lookup('HELPTITLE_TERLIST');
           // AddLine(HelpText.Lookup('HELPTITLE_TERLIST'),pkSection);
-          for i := 0 to nTerrainHelp - 1 do
-            AddTerrain(TerrainHelp[i]);
+          for I := 0 to Length(TerrainHelp) - 1 do
+            AddTerrain(TerrainHelp[I]);
         end
         else
         begin // sigle terrain type
-          TerrType := no mod 12;
+          TerrType := No mod 12;
           if TerrType = fJungle then
             TerrType := fForest;
-          TerrSubType := no div 12;
-          if no = 3 * 12 then
+          TerrSubType := No div 12;
+          if No = 3 * 12 then
           begin
             TerrType := fDesert;
@@ -1700 +1693 @@
           with Terrain[TerrType] do
           begin
-            Caption := Phrases.Lookup('TERRAIN', no);
+            Caption := Phrases.Lookup('TERRAIN', No);
             LineFeed;
-            AddLine(Phrases.Lookup('TERRAIN', no), pkBigTer, no);
+            AddLine(Phrases.Lookup('TERRAIN', No), pkBigTer, No);
             AddLine(HelpText.Lookup('HELPSPEC_TER'));
             LineFeed;
@@ -1708 +1701 @@
               AddLine(Format(HelpText.Lookup('RESPROD'),
                 [ProdRes[TerrSubType]]));
-            if (no < 3 * 12) and (MineEff > 0) then
+            if (No < 3 * 12) and (MineEff > 0) then
               MainText[Count - 1] := MainText[Count - 1] + ' ' +
                 Format(HelpText.Lookup('MOREMINE'), [MineEff]);
@@ -1714 +1707 @@
               AddLine(Format(HelpText.Lookup('RESFOOD'),
                 [FoodRes[TerrSubType]]));
-            if (no < 3 * 12) and (IrrEff > 0) then
+            if (No < 3 * 12) and (IrrEff > 0) then
               MainText[Count - 1] := MainText[Count - 1] + ' ' +
                 Format(HelpText.Lookup('MOREIRR'), [IrrEff]);
@@ -1728 +1721 @@
               else
                 AddLine(HelpText.Lookup('MOVEPLAIN'));
-            if no = 3 * 12 then
+            if No = 3 * 12 then
             begin
               LineFeed;
               AddTextual(HelpText.Lookup('DEADLANDS'));
             end;
-            if (TerrType = fDesert) and (no <> fDesert + 12) then
+            if (TerrType = fDesert) and (No <> fDesert + 12) then
             begin
               LineFeed;
@@ -1743 +1736 @@
               AddTextual(Format(HelpText.Lookup('HOSTILE'), [ArcticThurst]));
             end;
-            if (no < 3 * 12) and (TransTerrain >= 0) then
+            if (No < 3 * 12) and (TransTerrain >= 0) then
             begin
               LineFeed;
-              i := TransTerrain;
-              if (TerrType <> fGrass) and (i <> fGrass) then
-                i := i + TerrSubType * 12;
+              I := TransTerrain;
+              if (TerrType <> fGrass) and (I <> fGrass) then
+                I := I + TerrSubType * 12;
               // trafo to same Special resource group
               AddLine(Format(HelpText.Lookup('TRAFO'),
-                [Phrases.Lookup('TERRAIN', i)]), pkTer, i,
-                hkTer + hkCrossLink, i);
-              if no = fSwamp + 12 then
+                [Phrases.Lookup('TERRAIN', I)]), pkTer, I,
+                hkTer, I, True);
+              if No = fSwamp + 12 then
               begin
                 LineFeed;
                 AddLine(Format(HelpText.Lookup('TRAFO'),
                   [Phrases.Lookup('TERRAIN', TransTerrain + 24)]), pkTer,
-                  TransTerrain + 24, hkTer + hkCrossLink, TransTerrain + 24);
+                  TransTerrain + 24, hkTer, TransTerrain + 24, True);
               end
-              else if i = fGrass then
+              else if I = fGrass then
               begin
                 LineFeed;
                 AddLine(Format(HelpText.Lookup('TRAFO'),
                   [Phrases.Lookup('TERRAIN', fGrass + 12)]), pkTer, fGrass + 12,
-                  hkTer + hkCrossLink, fGrass + 12);
+                  hkTer, fGrass + 12, True);
               end;
             end;
             NextSection('SPECIAL');
-            if no = 3 * 12 then
+            if No = 3 * 12 then
             begin
               LineFeed;
@@ -1780 +1773 @@
               end;
             end
-            else if (no < 12) and (no <> fGrass) and (no <> fOcean) then
+            else if (No < 12) and (No <> fGrass) and (No <> fOcean) then
             begin
               LineFeed;
               for Special := 1 to 2 do
-                if (no <> fArctic) and (no <> fSwamp) or (Special < 2) then
+                if (No <> fArctic) and (No <> fSwamp) or (Special < 2) then
                 begin
                   if Special > 1 then
                     LineFeed;
-                  AddLine(Phrases.Lookup('TERRAIN', no + Special * 12), pkTer,
-                    no + Special * 12);
-                  i := FoodRes[Special] - FoodRes[0];
-                  if i <> 0 then
+                  AddLine(Phrases.Lookup('TERRAIN', No + Special * 12), pkTer,
+                    No + Special * 12);
+                  I := FoodRes[Special] - FoodRes[0];
+                  if I <> 0 then
                     MainText[Count - 1] := MainText[Count - 1] +
-                      Format(HelpText.Lookup('SPECIALFOOD'), [i]);
-                  i := ProdRes[Special] - ProdRes[0];
-                  if i <> 0 then
+                      Format(HelpText.Lookup('SPECIALFOOD'), [I]);
+                  I := ProdRes[Special] - ProdRes[0];
+                  if I <> 0 then
                     MainText[Count - 1] := MainText[Count - 1] +
-                      Format(HelpText.Lookup('SPECIALPROD'), [i]);
-                  i := TradeRes[Special] - TradeRes[0];
-                  if i <> 0 then
+                      Format(HelpText.Lookup('SPECIALPROD'), [I]);
+                  I := TradeRes[Special] - TradeRes[0];
+                  if I <> 0 then
                     MainText[Count - 1] := MainText[Count - 1] +
-                      Format(HelpText.Lookup('SPECIALTRADE'), [i]);
+                      Format(HelpText.Lookup('SPECIALTRADE'), [I]);
                 end;
             end;
-            if no = 3 * 12 then
+            if No = 3 * 12 then
             begin
               LineFeed;
               AddTextual(HelpText.Lookup('RARE'));
             end;
-            if (no < 3 * 12) and (TerrType in [fDesert, fArctic]) then
+            if (No < 3 * 12) and (TerrType in [fDesert, fArctic]) then
             begin
               NextSection('SEEALSO');
               AddImprovement(woGardens);
-              CheckSeeAlso := true
+              CheckSeeAlso := True;
             end;
           end;
@@ -1819 +1812 @@
 
       hkFeature:
-        if no = 200 then
+        if No = 200 then
         begin // complete feature list
           Caption := HelpText.Lookup('HELPTITLE_FEATURELIST');
@@ -1837 +1830 @@
             end;
             List.Clear;
-            for i := 0 to nFeature - 1 do
-              if Feature[i].Preq <> preNA then
+            for I := 0 to nFeature - 1 do
+              if Feature[I].Preq <> preNA then
               begin
-                if i < mcFirstNonCap then
-                  j := 0
-                else if i in AutoFeature then
-                  j := 2
+                if I < mcFirstNonCap then
+                  J := 0
+                else if I in AutoFeature then
+                  J := 2
                 else
-                  j := 1;
-                if j = Special then
-                  List.AddLine(Phrases.Lookup('FEATURES', i), pkFeature, i,
-                    hkFeature, i);
+                  J := 1;
+                if J = Special then
+                  List.AddLine(Phrases.Lookup('FEATURES', I), pkFeature, I,
+                    hkFeature, I);
               end;
             List.Sort;
@@ -1857 +1850 @@
         else
         begin // single feature
-          Caption := Phrases.Lookup('FEATURES', no);
+          Caption := Phrases.Lookup('FEATURES', No);
           LineFeed;
-          AddLine(Phrases.Lookup('FEATURES', no), pkBigFeature, no);
-          if no < mcFirstNonCap then
+          AddLine(Phrases.Lookup('FEATURES', No), pkBigFeature, No);
+          if No < mcFirstNonCap then
             AddLine(HelpText.Lookup('HELPSPEC_CAP'))
-          else if no in AutoFeature then
+          else if No in AutoFeature then
             AddLine(HelpText.Lookup('HELPSPEC_STANDARD'))
           else
             AddLine(HelpText.Lookup('HELPSPEC_FEATURE'));
           NextSection('EFFECT');
-          AddTextual(HelpText.LookupByHandle(hFEATUREHELP, no));
-          if (Feature[no].Weight <> 0) or (Feature[no].Cost <> 0) then
+          AddTextual(HelpText.LookupByHandle(hFEATUREHELP, No));
+          if (Feature[No].Weight <> 0) or (Feature[No].Cost <> 0) then
           begin
             NextSection('COSTS');
-            s := IntToStr(Feature[no].Cost);
-            if Feature[no].Cost >= 0 then
-              s := '+' + s;
-            AddLine(Format(HelpText.Lookup('COSTBASE'), [s]));
-            if Feature[no].Weight > 0 then
+            S := IntToStr(Feature[No].Cost);
+            if Feature[No].Cost >= 0 then
+              S := '+' + S;
+            AddLine(Format(HelpText.Lookup('COSTBASE'), [S]));
+            if Feature[No].Weight > 0 then
             begin
               AddLine(Format(HelpText.Lookup('WEIGHT'),
-                ['+' + IntToStr(Feature[no].Weight)]));
-              if no = mcDefense then
+                ['+' + IntToStr(Feature[No].Weight)]));
+              if No = mcDefense then
                 AddLine(Format(HelpText.Lookup('WEIGHT'), ['+2']),
                   pkDomain, dGround);
             end;
           end;
-          if Feature[no].Preq <> preNone then
+          if Feature[No].Preq <> preNone then
           begin
             LineFeed;
-            if Feature[no].Preq = preSun then
+            if Feature[No].Preq = preSun then
               AddPreqImp(woSun) // sun tsu feature
             else
-              AddPreqAdv(Feature[no].Preq);
+              AddPreqAdv(Feature[No].Preq);
             MainText[Count - 1] := Format(HelpText.Lookup('REQUIRED'),
               [MainText[Count - 1]]);
@@ -1901 +1894 @@
         begin
           Caption := HelpText.Lookup('HELPTITLE_MODELLIST');
-          for i := 0 to nSpecialModel - 1 do
-            if i <> 2 then
-              AddModelText(i);
+          for I := 0 to nSpecialModel - 1 do
+            if I <> 2 then
+              AddModelText(I);
           LineFeed;
           AddItem('MODELNOTE');
@@ -1910 +1903 @@
     end;
     if CheckSeeAlso then
-      for i := 0 to nSeeAlso - 1 do
-        if (SeeAlso[i].Kind = Kind) and (SeeAlso[i].no = no) then
-          case SeeAlso[i].SeeKind of
-            hkImp: AddImprovement(SeeAlso[i].SeeNo);
-            hkAdv: AddAdvance(SeeAlso[i].SeeNo);
-            hkFeature: AddFeature(SeeAlso[i].SeeNo);
+      for I := 0 to Length(SeeAlso) - 1 do
+        if (SeeAlso[I].Kind = Kind) and (SeeAlso[I].No = No) then
+          case SeeAlso[I].SeeKind of
+            hkImp: AddImprovement(SeeAlso[I].SeeNo);
+            hkAdv: AddAdvance(SeeAlso[I].SeeNo);
+            hkFeature: AddFeature(SeeAlso[I].SeeNo);
           end;
     if (Headline >= 0) and (Count = Headline + 1) then
@@ -1926 +1919 @@
     ScrollBar.SetPos(sbPos);
     BackBtn.Visible := HistItems.Count > 1;
-    TopBtn.Visible := (HistItems.Count > 1) or (Kind <> hkMisc) or (no <> miscMain);
+    TopBtn.Visible := (HistItems.Count > 1) or (Kind <> hkMisc) or (No <> Integer(miscMain));
     Sel := -1;
   end; // with MainText
 end;
 
-procedure THelpDlg.ShowNewContent(NewMode, Category, Index: Integer);
-begin
-  if (Category <> Kind) or (Index <> no) or (Category = hkMisc) and
-    (Index = miscSearchResult) then begin
+procedure THelpDlg.ShowNewContent(NewMode: TWindowMode; Category: TLinkCategory;
+  Index: Integer);
+begin
+  if (Category <> Kind) or (Index <> No) or (Category = hkMisc) and
+    (Index = Integer(miscSearchResult)) then begin
     if HistItems.Count = MaxHist then HistItems.Delete(0);
     if HistItems.Count = 0 then
@@ -1941 +1935 @@
   end;
   Kind := Category;
-  no := Index;
+  No := Index;
   SearchContent := NewSearchContent;
   Prepare;
@@ -1949 +1943 @@
 
 procedure THelpDlg.PaintBox1MouseMove(Sender: TObject; Shift: TShiftState;
-  x, y: integer);
+  X, Y: Integer);
 var
   i0, Sel0: Integer;
 begin
-  y := y - WideFrame;
+  Y := Y - WideFrame;
   i0 := ScrollBar.Position;
   Sel0 := Sel;
-  if (x >= SideFrame) and (x < SideFrame + InnerWidth) and (y >= 0) and
-    (y < InnerHeight) and (y mod 24 >= 8) then
-    Sel := y div 24
+  if (X >= SideFrame) and (X < SideFrame + InnerWidth) and (Y >= 0) and
+    (Y < InnerHeight) and (Y mod 24 >= 8) then
+    Sel := Y div 24
   else
     Sel := -1;
   if (Sel + i0 >= MainText.Count) or (Sel >= 0) and
-    (THelpLineInfo(MainText.Objects[Sel + i0]).Link = 0) then
+    (THelpLineInfo(MainText.Objects[Sel + i0]).Category = hkNoLink) and
+    (THelpLineInfo(MainText.Objects[Sel + i0]).Index = 0)then
     Sel := -1;
   if Sel <> Sel0 then
@@ -1974 +1969 @@
 
 procedure THelpDlg.PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
-  Shift: TShiftState; x, y: integer);
+  Shift: TShiftState; X, Y: Integer);
 begin
   if Sel >= 0 then
     with THelpLineInfo(MainText.Objects[Sel + ScrollBar.Position]) do
-      if Link shr 8 and $3F = hkInternet then
-        case Link and $FF of
+      if Category = hkInternet then
+        case Index of
           1: OpenDocument(HomeDir + AITemplateFileName);
           2: OpenURL(CevoHomepage);
@@ -1986 +1981 @@
       else
       begin
-        if (Link >= $8000) and (Link and $3FFF = liInvalid) then
-          exit; // invalid link;
-        if Link >= $8000 then
-          ShowNewContent(FWindowMode, hkText, Link and $3FFF)
-        else
-          ShowNewContent(FWindowMode, Link shr 8 and $3F, Link and $FF);
+        if Index < 0 then Exit; // invalid link;
+        ShowNewContent(FWindowMode, Category, Index);
       end;
 end;
@@ -2003 +1994 @@
     HistItem.Assign(HistItems.Last);
     HistItems.Delete(HistItems.Count - 1);
-    if (HistItem.Kind = hkMisc) and (HistItem.No = miscSearchResult) and
+    if (HistItem.Kind = hkMisc) and (HistItem.No = Integer(miscSearchResult)) and
       (HistItem.SearchContent <> SearchContent) then
     begin
@@ -2010 +2001 @@
     end;
     Kind := HistItem.Kind;
-    no := HistItem.No;
+    No := HistItem.No;
     Prepare(HistItem.Pos);
     OffscreenPaint;
@@ -2022 +2013 @@
   while HistItems.Count > 1 do HistItems.Delete(HistItems.Count - 1);
   Kind := hkMisc;
-  no := miscMain;
+  No := Integer(miscMain);
   Prepare;
   OffscreenPaint;
@@ -2036 +2027 @@
 function THelpDlg.TextIndex(Item: string): Integer;
 begin
-  Result := HelpText.Gethandle(Item);
+  Result := HelpText.GetHandle(Item);
 end;
 
@@ -2064 +2055 @@
       1:
         with THelpLineInfo(SearchResult.Objects[0]) do
-          if Link >= $8000 then
-            ShowNewContent(FWindowMode, hkText, Link and $3FFF)
-          else
-            ShowNewContent(FWindowMode, Link shr 8 and $3F, Link and $FF);
-    else
-      begin
+          ShowNewContent(FWindowMode, Category, Index);
+      else begin
         NewSearchContent := InputDlg.EInput.Text;
-        ShowNewContent(FWindowMode, hkMisc, miscSearchResult);
+        ShowNewContent(FWindowMode, hkMisc, Integer(miscSearchResult));
       end;
     end;
@@ -2079 +2066 @@
 procedure THelpDlg.Search(SearchString: string);
 var
-  h, i, PrevHandle, PrevIndex, p, RightMargin: Integer;
-  s: string;
-  mADVHELP, mIMPHELP, mFEATUREHELP: set of 0 .. 255;
+  H, I, PrevHandle, PrevIndex, P, RightMargin: Integer;
+  S: string;
+  mADVHELP, mIMPHELP, mFEATUREHELP: set of 0..255;
   bGOVHELP, bSPECIALMODEL, bJOBHELP: Boolean;
 begin
@@ -2092 +2079 @@
   bJOBHELP := False;
 
-  // search in generic reference
+  // Search in generic reference
   SearchString := UpperCase(SearchString);
-  for i := 0 to 35 + 4 do begin
-    s := Phrases.Lookup('TERRAIN', i);
-    if pos(SearchString, UpperCase(s)) > 0 then
-      if i < 36 then
-        SearchResult.AddLine(s + ' ' + HelpText.Lookup('HELPSPEC_TER'),
-          pkNormal, 0, hkTer + hkCrossLink, i)
+  for I := 0 to 35 + 4 do begin
+    S := Phrases.Lookup('TERRAIN', I);
+    if Pos(SearchString, UpperCase(S)) > 0 then
+      if I < 36 then
+        SearchResult.AddLine(S + ' ' + HelpText.Lookup('HELPSPEC_TER'),
+          pkNormal, 0, hkTer, I, True)
       else
       begin
         SearchResult.AddLine(Phrases.Lookup('TERRAIN', 36) + ' ' +
           HelpText.Lookup('HELPSPEC_TER'), pkNormal, 0,
-          hkTer + hkCrossLink, 36);
-        if i > 36 then
+          hkTer, 36, True);
+        if I > 36 then
           SearchResult.AddLine(Phrases.Lookup('IMPROVEMENTS',
-            imShipComp + i - 37) + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART'),
-            pkNormal, 0, hkImp + hkCrossLink, imShipComp + i - 37);
+            imShipComp + I - 37) + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART'),
+            pkNormal, 0, hkImp, imShipComp + I - 37, True);
         Break;
       end;
   end;
-  for i := 0 to nJobHelp - 1 do
-    if pos(SearchString, UpperCase(Phrases.Lookup('JOBRESULT', JobHelp[i]))) > 0
+  for I := 0 to Length(JobHelp) - 1 do
+    if Pos(SearchString, UpperCase(Phrases.Lookup('JOBRESULT', JobHelp[I]))) > 0
     then
     begin
       SearchResult.AddLine(HelpText.Lookup('HELPTITLE_JOBLIST'), pkNormal, 0,
-        hkMisc + hkCrossLink, miscJobList);
+        hkMisc, Integer(miscJobList), True);
       bJOBHELP := True;
       Break;
     end;
-  for i := 0 to nAdv - 1 do
-  begin
-    s := Phrases.Lookup('ADVANCES', i);
-    if pos(SearchString, UpperCase(s)) > 0 then
+  for I := 0 to nAdv - 1 do
+  begin
+    S := Phrases.Lookup('ADVANCES', I);
+    if Pos(SearchString, UpperCase(S)) > 0 then
     begin
-      if i in FutureTech then
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_FUTURE')
+      if I in FutureTech then
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_FUTURE')
       else
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_ADV');
-      SearchResult.AddLine(s, pkNormal, 0, hkAdv + hkCrossLink, i);
-      include(mADVHELP, i);
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_ADV');
+      SearchResult.AddLine(S, pkNormal, 0, hkAdv, I, True);
+      Include(mADVHELP, I);
     end;
   end;
-  for i := 0 to nSpecialModel - 1 do
-  begin
-    FindStdModelPicture(SpecialModelPictureCode[i], h, s);
-    if pos(SearchString, UpperCase(s)) > 0 then
+  for I := 0 to nSpecialModel - 1 do
+  begin
+    FindStdModelPicture(SpecialModelPictureCode[I], H, S);
+    if Pos(SearchString, UpperCase(S)) > 0 then
     begin
       SearchResult.AddLine(HelpText.Lookup('HELPTITLE_MODELLIST'), pkNormal, 0,
-        hkModel + hkCrossLink, 0);
+        hkModel, 0, True);
       bSPECIALMODEL := True;
       Break;
     end;
   end;
-  for i := 0 to nFeature - 1 do
-  begin
-    s := Phrases.Lookup('FEATURES', i);
-    if Pos(SearchString, UpperCase(s)) > 0 then
+  for I := 0 to nFeature - 1 do
+  begin
+    S := Phrases.Lookup('FEATURES', I);
+    if Pos(SearchString, UpperCase(S)) > 0 then
     begin
-      if i < mcFirstNonCap then
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_CAP')
-      else if i in AutoFeature then
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_STANDARD')
+      if I < mcFirstNonCap then
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_CAP')
+      else if I in AutoFeature then
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_STANDARD')
       else
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_FEATURE');
-      SearchResult.AddLine(s, pkNormal, 0, hkFeature + hkCrossLink, i);
-      Include(mFEATUREHELP, i);
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_FEATURE');
+      SearchResult.AddLine(S, pkNormal, 0, hkFeature, I, True);
+      Include(mFEATUREHELP, I);
     end;
   end;
-  for i := 0 to nImp - 1 do
-  begin
-    s := Phrases.Lookup('IMPROVEMENTS', i);
-    if Pos(SearchString, UpperCase(s)) > 0 then
+  for I := 0 to nImp - 1 do
+  begin
+    S := Phrases.Lookup('IMPROVEMENTS', I);
+    if Pos(SearchString, UpperCase(S)) > 0 then
     begin
-      case Imp[i].Kind of
+      case Imp[I].Kind of
         ikWonder:
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_WONDER');
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_WONDER');
         ikCommon:
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_IMP');
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_IMP');
         ikShipPart:
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART');
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART');
       else
-        s := s + ' ' + HelpText.Lookup('HELPSPEC_NAT')
+        S := S + ' ' + HelpText.Lookup('HELPSPEC_NAT')
       end;
-      SearchResult.AddLine(s, pkNormal, 0, hkImp + hkCrossLink, i);
-      Include(mIMPHELP, i);
+      SearchResult.AddLine(S, pkNormal, 0, hkImp, I, True);
+      Include(mIMPHELP, I);
     end
   end;
-  for i := 0 to nGov - 1 do
-    if Pos(SearchString, UpperCase(Phrases.Lookup('GOVERNMENT', i))) > 0 then
+  for I := 0 to nGov - 1 do
+    if Pos(SearchString, UpperCase(Phrases.Lookup('GOVERNMENT', I))) > 0 then
     begin
       SearchResult.AddLine(HelpText.Lookup('HELPTITLE_GOVLIST'), pkNormal, 0,
-        hkMisc + hkCrossLink, miscGovList);
+        hkMisc, Integer(miscGovList), True);
       bGOVHELP := True;
       Break;
     end;
 
-  // full text search
-  h := -1;
+  // Full text search
+  H := -1;
   repeat
-    PrevHandle := h;
-    PrevIndex := i;
-    if not HelpText.Search(SearchString, h, i) then
+    PrevHandle := H;
+    PrevIndex := I;
+    if not HelpText.Search(SearchString, H, I) then
       Break;
-    if h = hADVHELP then
+    if H = hADVHELP then
     begin
-      if (i >= 0) and ((i <> PrevIndex) or (h <> PrevHandle)) and
-        not(i in mADVHELP) then
+      if (I >= 0) and ((I <> PrevIndex) or (H <> PrevHandle)) and
+        not(I in mADVHELP) then
       begin
-        s := Phrases.Lookup('ADVANCES', i);
-        if i in FutureTech then
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_FUTURE')
+        S := Phrases.Lookup('ADVANCES', I);
+        if I in FutureTech then
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_FUTURE')
         else
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_ADV');
-        SearchResult.AddLine(s, pkNormal, 0, hkAdv + hkCrossLink, i)
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_ADV');
+        SearchResult.AddLine(S, pkNormal, 0, hkAdv, I, True);
       end;
     end
-    else if h = hIMPHELP then
+    else if H = hIMPHELP then
     begin
-      if (i >= 0) and ((i <> PrevIndex) or (h <> PrevHandle)) and
-        not(i in mIMPHELP) then
+      if (I >= 0) and ((I <> PrevIndex) or (H <> PrevHandle)) and
+        not(I in mIMPHELP) then
       begin
-        s := Phrases.Lookup('IMPROVEMENTS', i);
-        case Imp[i].Kind of
+        S := Phrases.Lookup('IMPROVEMENTS', I);
+        case Imp[I].Kind of
           ikWonder:
-            s := s + ' ' + HelpText.Lookup('HELPSPEC_WONDER');
+            S := S + ' ' + HelpText.Lookup('HELPSPEC_WONDER');
           ikCommon:
-            s := s + ' ' + HelpText.Lookup('HELPSPEC_IMP');
+            S := S + ' ' + HelpText.Lookup('HELPSPEC_IMP');
           ikShipPart:
-            s := s + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART');
+            S := S + ' ' + HelpText.Lookup('HELPSPEC_SHIPPART');
         else
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_NAT')
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_NAT')
         end;
-        SearchResult.AddLine(s, pkNormal, 0, hkImp + hkCrossLink, i)
+        SearchResult.AddLine(S, pkNormal, 0, hkImp, I, True);
       end;
     end
-    else if h = hFEATUREHELP then
+    else if H = hFEATUREHELP then
     begin
-      if (i >= 0) and ((i <> PrevIndex) or (h <> PrevHandle)) and
-        not(i in mFEATUREHELP) then
+      if (I >= 0) and ((I <> PrevIndex) or (H <> PrevHandle)) and
+        not(I in mFEATUREHELP) then
       begin
-        s := Phrases.Lookup('FEATURES', i);
-        if i < mcFirstNonCap then
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_CAP')
-        else if i in AutoFeature then
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_STANDARD')
+        S := Phrases.Lookup('FEATURES', I);
+        if I < mcFirstNonCap then
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_CAP')
+        else if I in AutoFeature then
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_STANDARD')
         else
-          s := s + ' ' + HelpText.Lookup('HELPSPEC_FEATURE');
-        SearchResult.AddLine(s, pkNormal, 0, hkFeature + hkCrossLink, i);
+          S := S + ' ' + HelpText.Lookup('HELPSPEC_FEATURE');
+        SearchResult.AddLine(S, pkNormal, 0, hkFeature, I, True);
       end;
     end
-    else if h = hGOVHELP then
+    else if H = hGOVHELP then
     begin
-      if (i >= 0) and (h <> PrevHandle) and not bGOVHELP then
+      if (I >= 0) and (H <> PrevHandle) and not bGOVHELP then
         SearchResult.AddLine(HelpText.Lookup('HELPTITLE_GOVLIST'), pkNormal, 0,
-          hkMisc + hkCrossLink, miscGovList)
+          hkMisc, Integer(miscGovList), True);
     end
-    else if h = hSPECIALMODEL then
+    else if H = hSPECIALMODEL then
     begin
-      if (i >= 0) and (h <> PrevHandle) and not bSPECIALMODEL then
+      if (I >= 0) and (H <> PrevHandle) and not bSPECIALMODEL then
         SearchResult.AddLine(HelpText.Lookup('HELPTITLE_MODELLIST'), pkNormal,
-          0, hkModel + hkCrossLink, 0)
+          0, hkModel, 0, True);
     end
-    else if h = hJOBHELP then
+    else if H = hJOBHELP then
     begin
-      if (i >= 0) and (h <> PrevHandle) and not bJOBHELP then
+      if (I >= 0) and (H <> PrevHandle) and not bJOBHELP then
         SearchResult.AddLine(HelpText.Lookup('HELPTITLE_JOBLIST'), pkNormal, 0,
-          hkMisc + hkCrossLink, miscJobList)
+          hkMisc, Integer(miscJobList), True);
     end
-    else if { (h<>hMAIN) and } (h <> PrevHandle) then
+    else if { (h<>hMAIN) and } (H <> PrevHandle) then
     begin
-      s := HelpText.LookupByHandle(h);
-      p := Pos('$', s);
-      if p > 0 then
+      S := HelpText.LookupByHandle(H);
+      P := Pos('$', S);
+      if P > 0 then
       begin
-        s := Copy(s, p + 1, maxint);
-        p := Pos('\', s);
-        if p > 0 then
-          s := Copy(s, 1, p - 1);
-        SearchResult.AddLine(s, pkNormal, 0, hkText + hkCrossLink, h);
+        S := Copy(S, P + 1, MaxInt);
+        P := Pos('\', S);
+        if P > 0 then
+          S := Copy(S, 1, P - 1);
+        SearchResult.AddLine(S, pkNormal, 0, hkText, H, True);
       end;
     end;
-    until False;
-
-    // cut lines to fit to window
-    RightMargin := InnerWidth - 16 - DpiGetSystemMetrics(SM_CXVSCROLL);
-    OffScreen.Canvas.Font.Assign(UniFont[ftNormal]);
-    for i := 0 to SearchResult.Count - 1 do
-    begin
-      while BiColorTextWidth(OffScreen.Canvas, SearchResult[i]) >
-        RightMargin - 32 do
-        SearchResult[i] := copy(SearchResult[i], 1, length(SearchResult[i]) - 1)
-    end;
-  end;
+  until False;
+
+  // Cut lines to fit to window
+  RightMargin := InnerWidth - 16 - DpiGetSystemMetrics(SM_CXVSCROLL);
+  OffScreen.Canvas.Font.Assign(UniFont[ftNormal]);
+  for I := 0 to SearchResult.Count - 1 do
+  begin
+    while BiColorTextWidth(OffScreen.Canvas, SearchResult[I]) >
+      RightMargin - 32 do
+      SearchResult[I] := Copy(SearchResult[I], 1, Length(SearchResult[I]) - 1)
+  end;
+end;
 
 end.