Hum... if you can run a browser, you can already run executable files (ELF or the Windows-crap-equivalent), including all TeXLive tools. Thus, running in a brow

Hum... if you can run a browser, you can already run executable files (ELF or the Windows-crap-equivalent), including all TeXLive tools. Thus, running in a browser does not bring portability. However, as "JoshTriplett" pointed out, running in a browser brings the possibility of client-side computation triggered from a web host. But this is not what I call portability.