kripken/emscripten — comment on commit 8b14e998c1f2a27dcd1d0b67af85f1637612aa5b
File: src/library.js line 3388
By LCID-Fire:

To be compatible with the spec in the case of ```isNaN``` an actual implementation of the ```atof``` algorithm has to be entered. Only after that fails 0 might be returned.