Add the XM and xm terminfo capabilities

These are apparently used by vim for mouse protocol detection. Sigh.

kitty/terminfo.py

@@ -181,6 +181,10 @@ string_capabilities = {
     'kbs': r'\177',
     # Mouse event has occurred
     'kmous': r'\E[M',
+    # Turn on mouse reporting
+    'XM': '\E[?1006;1004;1000%?%p1%{1}%=%th%el%;',
+    # Expected format for mouse reporting escape codes
+    'xm': r'\E[<%i%p3%d;%p1%d;%p2%d;%?%p4%tM%em%;',
     # Scroll backwards (reverse index)
     'kri': r'\E[1;2A',
     # scroll forwards (index)
@@ -481,7 +485,7 @@ queryable_capabilities = cast(Dict[str, str], numeric_capabilities.copy())
 queryable_capabilities.update(string_capabilities)
 extra = (bool_capabilities | numeric_capabilities.keys() | string_capabilities.keys()) - set(termcap_aliases.values())
 no_termcap_for = frozenset(
-    'XR Ms RV kxIN kxOUT Cr Cs Se Ss Setulc Su Smulx Sync Tc PS PE BE BD setrgbf setrgbb fullkbd kUP kDN kbeg kBEG fe fd XF'.split() + [
+    'XR XM xm Ms RV kxIN kxOUT Cr Cs Se Ss Setulc Su Smulx Sync Tc PS PE BE BD setrgbf setrgbb fullkbd kUP kDN kbeg kBEG fe fd XF'.split() + [
         f'k{key}{mod}'
         for key in 'UP DN RIT LFT BEG END HOM IC DC PRV NXT'.split()
         for mod in range(3, 8)])

terminfo/kitty.terminfo

@@ -30,6 +30,7 @@ xterm-kitty|KovIdTTY,
 	Smulx=\E[4:%p1%dm,
 	Ss=\E[%p1%d\sq,
 	Sync=\EP=%p1%ds\E\\,
+	XM=\E[?1006;1004;1000%?%p1%{1}%=%th%el%;,
 	XR=\E[>0q,
 	acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
 	bel=^G,
@@ -267,3 +268,4 @@ xterm-kitty|KovIdTTY,
 	u8=\E[?%[;0123456789]c,
 	u9=\E[c,
 	vpa=\E[%i%p1%dd,
+	xm=\E[<%i%p3%d;%p1%d;%p2%d;%?%p4%tM%em%;,