User Files
You can submit your custom syntax file (STX), auto-completion file (ACP) and cliptext file (CTL) to submit@editplus.com and it will be listed here.

HTML, ASP, PHP, Perl, VBScript, JavaScript, CSS, XML, XSLT, XSLT2, XML Schema, WML files

C/C++, Java, JSP, C#, .NET, SQL, Pascal, Python, Assembly, Basic files

Other syntax files

Text filters