Log Message:
x11/xterm: update to 370

-add -a, -c and -d options to query-status.pl to improve test for DECRQSS.
-expanded discussion of maximum graphics geometry in ctlseqs.ms (suggested by
 Bon Wong).
-corrected parameter symbol for DECCARA and DECRARA in ctlseqs.ms to indicate
 that multiple parameters may be used (report by Thomas Wolff).
-add several test/demo scripts.
-improve DECCOLM, DECLRMM and DECALN referring to pseudo-code in DEC 070.
-amend a change in patch #348 which caused left/right margin mode to be reset
 when resizing the terminal window (report by Valentine Barshak).
-fix a misnamed macro-parameter (patch by Rajeev V. Pillai).
-fix spacing of wideFont when its width is not exactly twice as wide as the
 normal font (report by Rajeev V. Pillai).
-suppress loading of italic font in a few places when colorITmode is enabled
 (report/analysis by Rajeev V. Pillai).
-modify XTSMGRAPHICS to return failure status if the terminal is not configured
 to support the corresponding ReGIS or SIXEL feature (report by Nick Black,
 notcurses #2252, notcurses #2257).
-modify DECERA and DECFRA to erase corresponding area in SIXEL graphics (patch
 by Nick Black, notcurses #1740, vt340test #16). Also modify DECSERA.
-equate visuals for TrueColor and DirectColor (patch by Denis Kaganovich).
-correct computation for pixel value of rgb when using depth 16 (report by
 Denis Kaganovich).
-correct wrapping of VT100-style double-sized characters when configured for
 Unicode wide-characters (report by Luis Javier Merino).
-updated default value for sixelScrolling resource to match expected behavior
 versus DECSDM change in patch #369 (report by Grant Taylor).