Yan Zhou

thanks, just joined.

I _guess_ the problem here is that ConTeXt use precompiled font cache. For example see http://source.contextgarden.net/scripts/context/stubs/mswin/luatools.lua, where the `caches.loaddata` first try the compiled version than the text version. In particular...

For the time saving, I think that really depends on the fonts, since only the compile time is saved and runtime is still the same. In addition it is also...

(A bit unrelated and not a bug report) Actually the whole 'WordSpace' feature is a bit confusing to me. The second and third are scaling to `\fontdimen3` and `fontdimen4`, while...

That will be a very useful feature. My own macro, which in the end push to a token list containing fontspec options, work as the following, 1. For \fontdimen2, if...