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3d3c109460
Using these variables as "another mechanism for changing face appearance" never really worked, since mode authors were free to use the face instead of the variable (i.e. quoting the symbol). This means that when users customized the variables, it would change its appearance only in some cases, which is a rather surprising interface. Indeed, it turns out that some modes have not always been consistent, and mixed using the variable and the face, increasing the confusion even further. Thus, the only thing users could rely on to always work was to leave the variables at their default value, and to customize the face. We now recommend customizing the face, and are obsoleting these variables. This will lead to some minor code-churn, but it is believed that it will be ultimately worth it. To fix existing Lisp code, you should typically only need to quote the symbol, as this commit shows. It might be the case that we will have to keep the obsolete variables, that have been with us since Emacs 19, around for a longer time-period than normal, to allow package authors to adapt. * lisp/font-lock.el (font-lock-comment-face) (font-lock-comment-delimiter-face, font-lock-string-face) (font-lock-doc-face, font-lock-doc-markup-face, font-lock-keyword-face) (font-lock-builtin-face, font-lock-function-name-face) (font-lock-variable-name-face, font-lock-type-face) (font-lock-constant-face, font-lock-warning-face) (font-lock-negation-char-face, font-lock-preprocessor-face): Make face variables obsolete in favor of customizing the faces directly instead. (Bug#71469) * doc/lispref/modes.texi (Faces for Font Lock): Don't document above obsolete variables. * lisp/cedet/data-debug.el (data-debug-insert-hash-table) (data-debug-insert-widget-properties, data-debug-insert-string) (data-debug-insert-number): * lisp/emacs-lisp/lisp-mode.el (elisp--font-lock-backslash) (lisp-font-lock-syntactic-face-function): * lisp/emacs-lisp/package.el (describe-package-1): * lisp/generic-x.el (rc-generic-mode, rul-generic-mode): * lisp/org/org-table.el (org-table-edit-formulas): * lisp/progmodes/cc-fonts.el (c-font-lock-invalid-single-quotes) (c-maybe-font-lock-wrong-style-comments, c-font-lock-declarators) (c-font-lock-c++-lambda-captures, c-font-lock-c++-modules): * lisp/progmodes/cperl-mode.el (cperl-find-sub-attrs) (cperl-look-at-leading-count, cperl-process-here-doc) (cperl-find-pods-heres): * lisp/progmodes/gdb-mi.el (gdb-init-1, gdb-update, gdb-running) (gdb-starting, gdb-stopped, gdb-internals) (gdb-breakpoints--add-breakpoint-row, gdb-locals-handler-custom) (gdb-registers-handler-custom, gdb-get-source-file): * lisp/progmodes/js.el (js--font-lock-keywords-1) (js--font-lock-keywords-2, js-font-lock-syntactic-face-function): * lisp/progmodes/lua-ts-mode.el (lua-ts--comment-font-lock): * lisp/progmodes/meta-mode.el (meta-indent-in-string-p): * lisp/progmodes/prolog.el (prolog-font-lock-keywords): * lisp/progmodes/python.el (python-font-lock-syntactic-face-function): * lisp/progmodes/ruby-ts-mode.el (ruby-ts--comment-font-lock): * lisp/progmodes/sh-script.el (sh-font-lock-syntactic-face-function): * lisp/textmodes/tex-mode.el (doctex-font-lock-syntactic-face-function): * test/lisp/faces-tests.el (faces--test-color-at-point): * test/lisp/progmodes/cperl-mode-tests.el (cperl-test-extra-delimiters) (cperl-test-bug-47112, cperl-test-bug-65834, cperl-test-bug-66145) (cperl-test-bug-66161, cperl-test-bug-69604): * test/lisp/progmodes/python-tests.el (python-ts-mode-compound-keywords-face) (python-ts-mode-named-assignment-face-1) (python-ts-mode-assignment-face-2, python-ts-mode-nested-types-face-1) (python-ts-mode-union-types-face-1, python-ts-mode-union-types-face-2) (python-ts-mode-types-face-1, python-ts-mode-types-face-2) (python-ts-mode-types-face-3, python-ts-mode-isinstance-type-face-1) (python-ts-mode-isinstance-type-face-2) (python-ts-mode-isinstance-type-face-3) (python-ts-mode-superclass-type-face, python-ts-mode-class-patterns-face) (python-ts-mode-dotted-decorator-face-1) (python-ts-mode-dotted-decorator-face-2) (python-ts-mode-builtin-call-face) (python-ts-mode-interpolation-nested-string) (python-ts-mode-level-fontification-wo-interpolation) (python-ts-mode-disabled-string-interpolation) (python-ts-mode-interpolation-doc-string): * test/lisp/progmodes/ruby-mode-tests.el (ruby-heredoc-font-lock, ruby-heredoc-highlights-interpolations) (ruby-exit!-font-lock, ruby-regexp-interpolation-is-highlighted) (ruby-recognize-symbols-starting-with-at-character) (ruby-hash-character-not-interpolation) (ruby-interpolation-suppresses-quotes-inside) (ruby-interpolation-suppresses-one-double-quote) (ruby-interpolation-inside-percent-literal) (ruby-interpolation-inside-percent-literal-with-paren) (ruby-interpolation-inside-another-interpolation) (ruby-interpolation-inside-double-quoted-percent-literals) (ruby-no-interpolation-in-single-quoted-literals): Don't use above obsolete variables. * lisp/progmodes/cc-fonts.el (font-lock-constant-face): Don't declare now-unused variable. |
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