I just downloaded IntelliJ 15.0.1 Community Edition because i\'m sick of Eclipse and it looks horrible on my laptop (Ubuntu 14.04 LTS). Everything was going pretty well until I
IntelliJ supports JSP syntax highlighting, but strangely none of the syntax is predefined. It allows us to define the syntax though if you double click "JSP Files (syntax highlighting only)".
The + / - buttons below allows to add keywords and 1 / 2 / 3 / 4 tabs give different syntax colours. It is not possible to add all HTML/JSP keywords manually one by one but I've defined most common used keywords and it is much better than having no highlighting at all.