Indentation of tag-library tags (consisting of ':'). Indentation of JSP single-command (no brackets) if, else, while JSP/PHP/Javascript statements - now they're flat! Skip /**/ and // comments. Detection of unpaired/wrongly paired/crossed HTML tags list single HTML tags which don't need to be paired - hr, br, p, img... Collecting info about editing formats/styles, editors and tab indentation. configured output to be uniformly presented accross various editors. representation of tab_width in JSP/PHP/ASP document. solve default left alignment of <%, <? (as opposite to -mixCodeOpener option) while indenting with tab characters whether multiple newlines should be truncated whether to optionally insert newlines after/before opening brackets/tags according to a preferred style Eclipse module should be easy as parser's interface is uniform and it receives text from a stream getting into eclipse interface, especially requesting and passing module parameters comp.compilers.tools.javacc: ask how to release token list differently than by Parser.reInit(stream) Recognition of VBScript on client's side in <script language="VBScript">...<script> Don't recognize VBScript keyword in client-side Javascript/JScript <script language="J...">...<script> Recognition of <%@ page language="VBScript"> in ASP Collecting ASP keywords and syntax of structural keywords (loops etc). option to transform VBScript keywords to uppercase and rest of code (identifiers) to lowercase, or viceversa