lazarus/examples/SynEdit/SynAnyHighlighter
..
README.txt
synanysynhighlighter.lpi
synanysynhighlighter.lpr
unit1.lfm
unit1.lrs
unit1.pas

Example for SynEdit's Highlighter: TSynAnySyn
(SynEdit is the editor used by the IDE)

TSynAnySyn allows to highlight specific words in the text. 
For example, it can be used to highlight every occurrence of 'Lazarus' in a specific color.