[fpc-pascal] character escaping with ^LETTER

[Dmitry Boyarintsev]

Hello,

today I saw this kind of character escaping:
var
  a :char;
begin
  a:=^M; // char(13)
  writeln(^X);  // char(24)
end;

The code of the character is derived as ord(letter)-ord('A')+1
Not sure which pascal its inherited from... but Delphi 7 does compile it
too.

I vaguely remember it seeing before once .. and ... a lot of time ago.

Should it be added to this page:
http://www.freepascal.org/docs-html/ref/refse8.html#x20-190001.8 ? (need a
bug report created?) or is it documented somewhere else?

CodeTools syntax highlighter won't recognize the syntax as characters
either (delphi 7 highlighter doesn't recognize it as a character escaping
as well)

thanks,
Dmitry
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