HippoEDIT is a powerful, fast and easy to use Windows text editor,
primarily targeted at power users and programmers. It has modern and
lightweight user interface, which supports different interface schemes,
Multi Tab environment, seamless web and help browser, File Explorer and
Project Explorer, external tools integration and more smart text editor
functions.

Comes with pre-defined syntax highlighting for PHP, HTML, Perl, Java,
Pascal, C/C++, XML, XSLT and more. Programming language definitions are
inheritable and embeddable (JavaScript, PHP and CSS in HTML for
example). Additional programming languages can be plugged with user
syntax files.