Merge from origin/emacs-29

229af8e4b31 ; * lisp/progmodes/csharp-mode.el (csharp-ts-mode--defun-...
ce7d18cbc07 ; Minor fixes in ELisp manual
5c8864fab4f ; * lisp/simple.el (async-shell-command): Doc fix.  (Bug#...
b96dc472bcb Ignore current-prefix-arg in async-shell-command
1e6a7594361 Fix building of VC package manuals with relative includes
61659f36c88 Another fix for VHDL mode highlighting

diff --cc doc/lispref/functions.texi
Simple merge

diff --cc lisp/emacs-lisp/package-vc.el
Simple merge

diff --cc lisp/progmodes/csharp-mode.el
Simple merge

diff --cc lisp/simple.el
Simple merge