Fix string fontification on python-ts-mode (bug#60599)

* lisp/progmodes/python.el:
(python--treesit-fontify-string): Generalize and skip anything
before the first quote character.

1 files changed, 5 insertions, 2 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index e6ded7a0646..21d16db287c 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -1067,8 +1067,11 @@ fontified."
                                "expression_statement"))
                    'font-lock-doc-face
                  'font-lock-string-face)))
-    (when (eq (char-after string-beg) ?f)
-      (cl-incf string-beg))
+    ;; Don't highlight string prefixes like f/r/b.
+    (save-excursion
+      (goto-char string-beg)
+      (when (search-forward "\"" string-end t)
+        (setq string-beg (match-beginning 0))))
     (treesit-fontify-with-override
      string-beg string-end face override start end)))