patch 9.0.2007: Vim9: covariant parameter types allowed Commit: https://github.com/vim/vim/commit/e4671890220ef3f2bca43fde6ffe5d3ef3ed0e42 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Mon Oct 9 18:01:06 2023 +0200 patch 9.0.2007: Vim9: covariant parameter types allowed Problem: Vim9: covariant parameter types allowed when assigning functions Solution: Enforce invariant type check for arguments and return value when assigning a funcref closes: #13299 closes: #13305 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

/* XPM */
static char * vim16x16[] = {
"16 16 8 1",
" 	c None",
".	c #000000",
"+	c #000080",
"@	c #008000",
"#	c #00FF00",
"$	c #808080",
"%	c #C0C0C0",
"&	c #FFFFFF",
"  .....#. ....  ",
" .&&&&&.@.&&&&. ",
" .%%%%%$..%%%%$.",
"  .%%%$.@.&%%$. ",
"  .%%%$..&%%$.  ",
"  .%%%$.&%%$..  ",
" #.%%%$&%%$.@@. ",
"#@.%%%&%%$.@@@@.",
".@.%%%%%..@@@@+ ",
" ..%%%%.%...@.  ",
"  .%%%%...%%.%. ",
"  .%%%.%%.%%%%%.",
"  .%%$..%.%.%.%.",
"  .%$.@.%.%.%.%.",
"   .. .%%.%.%.%.",
"       .. . . . "};