Silence byte-compile warnings when treesit is not available

* lisp/progmodes/c-ts-mode.el:
* lisp/progmodes/cmake-ts-mode.el:
* lisp/progmodes/csharp-mode.el:
* lisp/progmodes/dockerfile-ts-mode.el:
* lisp/progmodes/elixir-ts-mode.el:
* lisp/progmodes/go-ts-mode.el:
* lisp/progmodes/heex-ts-mode.el:
* lisp/progmodes/java-ts-mode.el:
* lisp/progmodes/js.el:
* lisp/progmodes/json-ts-mode.el:
* lisp/progmodes/lua-ts-mode.el:
* lisp/progmodes/php-ts-mode.el:
* lisp/progmodes/ruby-ts-mode.el:
* lisp/progmodes/rust-ts-mode.el:
* lisp/progmodes/sh-script.el:
* lisp/progmodes/typescript-ts-mode.el:
* lisp/textmodes/css-mode.el:
* lisp/textmodes/markdown-ts-mode.el:
* lisp/textmodes/mhtml-ts-mode.el:
* lisp/textmodes/toml-ts-mode.el:
* lisp/textmodes/yaml-ts-mode.el:
Declare 'treesit-major-mode-remap-alist' and
'treesit-language-available-p' to silence warnings
that are false alarms.  Also improve docstrings.

1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/textmodes/css-mode.el b/lisp/textmodes/css-mode.el
index 0a02aedfa4f..ffecc86cbe0 100644
--- a/lisp/textmodes/css-mode.el
+++ b/lisp/textmodes/css-mode.el
@@ -1917,6 +1917,7 @@ can also be used to fill comments.
 
 ;;;###autoload
 (when (treesit-available-p)
+  (defvar treesit-major-mode-remap-alist)
   (add-to-list 'treesit-major-mode-remap-alist
                '(css-mode . css-ts-mode)))