PSPad - text and code editor allows you to work on several documents at the
same time (MDI) save your session and later reopen all previously opened
files. Also features text difference with color-coded differences
highlighted, templates (installation contains templates for HTML, PHP,
Pascal, JScript, VBScript, MySQL, MS-Dos, Perl,) syntax highlighting auto set
by file type and user-defined highlighters for exotic environments. (in
Programming)