ref: 33b3947d1f449335b9065736c76dc74992508cac
parent: e6afc02942ffd4e3738c5a0ac28a14bbbe345ba8
author: Simon Tatham <anakin@pobox.com>
date: Fri Apr 5 11:49:22 EDT 2013
Implement debug_printf() in the Emscripten front end, since that's the easiest way to call js_debug with formatted parameters. [originally from svn r9807]