Merge from trunk.
Unbreak window boxes wrt the OTP consistency check.
Merge from trunk.
Move a #define over to the only place it's used.
Replace these Xmu charset fiddlings with strcasecmp().  Kill off
register's as long as I'm touching these functions; this isn't 1975,
compilers know what they're doing.
All these X includes should be unnecessary now.
Retire headers commented out for 20 years.
Another place to use strcasecmp() instead of Xmu stuff.
Apparently unused headers.
XmuCompareISOLatin1 -> strcasecmp.  We can reture Xmu includes for
this.
Looks like we don't need Xos.h for this either.
Kill off the list of the XmuCompare's.
Merge from trunk (additional consts in list.c).
Fix parsing of the argument of f.resize: there were buffer overflows
just waiting to happen.
Fix f.changesize when not applied to a window.
Avoid running off the end of the string.
Fix up case of <side>s in manual.
Misc smaller fixes: improve window boxes, and overhaul f.changesize.
There's no Xmu stuff in workmgr.c at all, so we don't need the
includes.
Replace a bunch of XmuCopyISOLatin1Lowered() faffery with strcasecmp()
through the parsing.