Source Window
 Colour settings that affect the Source Code Window.
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 This section covers the various colour settings that you may change to give
 your source code window a more appealing appearance.

 Each item name is listed as found in the Colours section of MrDebug.

 Source Code  - this allows you to set the colour that standard source
 code will be displayed in. By standard source code, we mean source code that
 is not covered under other options e.g.: comments, keyword, operators etc.

 Line Number, Unselected - this is the colour option that the line
 numbers will be displayed in when the source window is no the current
 window.

 Line Number, Selected - this is the colour option that define what
 colour the line numbers will be displayed using, if the source code window
 is the current, selected, window.

 Highlight Line, Unselected - this is the colour that will be used to
 display the highlight bar and standard source code, within the source code
 window, when the source code window is not the current window.

 Highlight Line, Selected - this is the colour that will be used to
 display the highlight bar and standard source code, within the source code
 window, when the source code window is the currently selected window.

 Block Mark - this is the colour that is used to show a block mark.
 e.g.: an expression that you are marking to be used as a watch point.

 Scroll Bar - the colours used for the scroll bars attached to the source
 code window.

 Break Point  - allows you to set the colour for a breakpoint line.  This
 colour is used whether the source code window is the current window or not.
 Only characters that are not already highlighted with a different colour
 will be displayed using the Break Point colour, for example, keywords have
 their own colour, so will be unaffected by the break point colour.

 Break Point Current Line Unselected - this is the colour that is used to
 show break points when the break point appears on the current line i.e.  the
 line with the highlight bar on it, and the source code window is not the
 currently selected window.

 Break Point Current Line selected - this is the colour that is used to
 show break points, when the break point is displayed on the current line,
 i.e. the line with the highlight bar on it, and the source code window is
 the currently selected window.

 Pass Point - the is the colour that will be use to show pass points.
 This colour is used whether the source code window is the current window or
 not. Only characters that are not already highlighted with a different
 colour will be displayed using the Pass Point colour, for example, keywords
 have their own colour, so will be unaffected by the Pass Point colour.

 Pass Point Current Line Unselected - this is the colour that is used to
 show Pass Points when the Pass point appears on the current line i.e.  the
 line with the highlight bar on it, and the source code window is not the
 currently selected window.

 Pass Point Current Line selected - this is the colour that is used to
 show Pass Points, when the break point is displayed on the current line,
 i.e. the line with the highlight bar on it, and the source code window is
 the currently selected window.

 Disabled AltD()   - the is the colour that will be use to show Disabled
 Altd()'s. This colour is used whether the source code window is the current
 window or not. Only characters that are not already highlighted with a
 different colour will be displayed using the Disabled AltD() colour, for
 example, keywords have their own colour, so will be unaffected by the
 Disabled AltD() colour.

 Disabled AltD() Current Line Unselected - this is the colour that is
 used to show Disabled AltD() when the Disabled AltD() appears on the
 current line i.e. the line with the highlight bar on it, and the source
 code window is not the currently selected window.

 Disabled AltD() Current Line selected - this is the colour that is used
 to show Disabled AltD(), when the Disabled AltD() is displayed on the
 current line, i.e. the line with the highlight bar on it, and the
 source code window is the currently selected window.

 Border Unselected - this is the colour that is used to show the border
 for the source code window when it is not the currently selected window.

 Border Selected - this is the colour used to show the border for the
 source code window, when it is the currently selected window.

 Window Number - this is the colour used to display the window number
 that is shown in the top left hand corner of the window.