The `xref' produced by `setup/xref' uses the database to delay
loading "out.sxref"s, which cuts 64-bit DrRacket's initial
footprint by around 50MB (i.e., about 20%).
corner of the definitions window, based on the information that check
syntax computes
This commit contains two separate changes to make this work:
- adding a new renderer, based on the text renderer, that
pulls out the contents of the blue boxes and saves them
in the doc/ directories (specifically in the files named
contract-blueboxes.rktd)
- extend check syntax to use and display the information
build by the new renderer
There's no particular reason that any one format will have all
the information that other formats need, but it conveniently works
for now that HTML info can subsume Latex info.
