sentence: features some of rtext 's features include : syntax highlighting for over 20 languages regular expression search and replace find in files and replace in files supports all character encodings supported by the jvm configurable document interface ( tabbed , mdi or list view ) editor supports multiple fonts simultaneously bracket matching current line highlighting customizable interface ( icons , look and feel , color scheme , etc. ) compatibility rtext is written in java and runs on linux , mac os x , os/2 , unix , openvms , and windows .