Unit ok_longcode_highlight

Description

Test of highlighting in @longCode some things.

See [https://sourceforge.net/tracker/?func=detail&atid=354213&aid=1422011&group_id=4213]

TOptions = class(TForm)
private
  procedure WMSysCmd(var Msg: TWMSysCommand); message WM_SYSCOMMAND;
...
end;

See https://github.com/pasdoc/pasdoc/issues/123 :

Somethins.Name:=1;
I:=123;
R:=0.001;
R:=1E10;
R:=R*0.99 - 9E-4;