Cache char set table.
authorTaylor R Campbell <campbell@mumble.net>
Sat, 9 Feb 2019 16:14:15 +0000 (16:14 +0000)
committerTaylor R Campbell <campbell@mumble.net>
Sat, 9 Feb 2019 17:30:53 +0000 (17:30 +0000)
commit79518c17ffb6d1297dee70e6b03dc30c0cf2f9fb
treedc9cdc51acd004202054e899594c3bca6c6ce88e
parent238e03512fb58579bdf78b902ed4c4e83232164a
Cache char set table.

This is a provisional kludge to make string searches by character set
in Edwin less obscenely expensive than they are at the moment, which
is killing IMAIL.

Formerly we just cached these in the char-set object itself.
src/edwin/string.scm