mozilla Fine-tune custom compiler optimizations Enable old gtkfilepicker from 1.0.x firefox Enable iceweasel branding Enable features for web developers (e.g. Venkman) Disable x11-libs/pango during runtime Pull in www-plugins/noscript extension to disable javascript globally, putting the user fully in control of the sites he/she visits XForms is a standard to split up XHTML into XForms, instance data, and user interface