vterm: Added a DECCOLM dummy which clears the term.
vterm: Added a DECCOLM dummy which clears the term.

harlowja/urwid,rndusr/urwid,foreni-packages/urwid,westurner/urwid,mountainstorm/urwid,hkoof/urwid,rndusr/urwid,Julian/urwid,drestebon/urwid,zyga/urwid,ivanov/urwid,tonycpsu/urwid,zyga/urwid,douglas-larocca/urwid,harlowja/urwid,Julian/urwid,foreni-packages/urwid,wardi/urwid,bk2204/urwid,inducer/urwid,urwid/urwid,drestebon/urwid,mountainstorm/urwid,urwid/urwid,rndusr/urwid,ivanov/urwid,douglas-larocca/urwid,tonycpsu/urwid,foreni-packages/urwid,douglas-larocca/urwid,inducer/urwid,mountainstorm/urwid,hkoof/urwid,wardi/urwid,urwid/urwid,tonycpsu/urwid,harlowja/urwid,westurner/urwid,drestebon/urwid,inducer/urwid,Julian/urwid,wardi/urwid,westurner/urwid,bk2204/urwid,ivanov/urwid,zyga/urwid,hkoof/urwid,bk2204/urwid