start mdi for mainw
new mainw compiles

add a notebook and start on the tabs next
mainw done, half-way though mainwtab
mostly done
wsview not appearing?
works!

hook up the rest of the stubs next
open / dup etc work

though ->wsg is always NULL, strange

sort out how main.c loads workspaces, needs to ake one mainw and load
wses into that
update autoconf again
watch notebook tab switch next
hack hack hack
hack
more stuff hooked up!
fix prefs revert
sync
only rebuild tk menu when we have to
popup tab menu
fix compt warning placement
tab menu works
mostly working
tk menu flip works