Fix bol/bos anchors in tree-sitter :match regexps

Further regexp fixes to follow separately (bug#64019#29).

* lisp/progmodes/c-ts-mode.el (c-ts-mode--font-lock-settings):
* lisp/progmodes/cmake-ts-mode.el
(cmake-ts-mode--font-lock-settings):
* lisp/progmodes/java-ts-mode.el (java-ts-mode--font-lock-settings):
* lisp/progmodes/js.el (js--treesit-font-lock-settings):
* lisp/progmodes/python.el (python--treesit-settings):
* lisp/progmodes/rust-ts-mode.el (rust-ts-mode--font-lock-settings):
* lisp/progmodes/sh-script.el (sh-mode--treesit-settings):
* lisp/progmodes/typescript-ts-mode.el
(typescript-ts-mode--font-lock-settings):
* test/src/treesit-tests.el (treesit-query-api): Anchor :match
regexps at beginning/end of string, not line.

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index fd196df7550..d9ca37145e1 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -1106,7 +1106,7 @@ fontified."
    :language 'python
    `([,@python--treesit-keywords] @font-lock-keyword-face
      ((identifier) @font-lock-keyword-face
-      (:match "^self$" @font-lock-keyword-face)))
+      (:match "\\`self\\'" @font-lock-keyword-face)))
 
    :feature 'definition
    :language 'python