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b2790db049
Add some hints to the message for byte compiler free & unused variable warnings, and 'void-variable' errors where the variable has confusable quote characters in it. * lisp/help.el (uni-confusables), uni-confusables-regexp): New constants. (help-command-error-confusable-suggestions): New function, added to `command-error-function'. (help-uni-confusable-suggestions): New function. * lisp/emacs-lisp/bytecomp.el (byte-compile-variable-ref): * lisp/emacs-lisp/cconv.el (cconv--analyze-use): Use it. * lisp/emacs-lisp/lisp-mode.el (lisp--match-confusable-symbol-character): New function. (lisp-fdefs): Use it to fontify confusable characters with font-lock-warning-face when they occur in symbol names. * doc/lispref/modes.texi (Faces for Font Lock): * doc/lispref/objects.texi (Basic Char Syntax): Recommend backslash escaping of confusable characters, and mention new fontification. * etc/NEWS: Announce the new fontification behavior. * test/lisp/emacs-lisp/lisp-mode-tests.el (lisp-fontify-confusables): New test. |
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| .. | ||
| edebug-resources | ||
| eieio-tests | ||
| faceup-resources | ||
| faceup-tests | ||
| package-resources | ||
| shadow-resources | ||
| testcover-resources | ||
| backquote-tests.el | ||
| backtrace-tests.el | ||
| benchmark-tests.el | ||
| bindat-tests.el | ||
| bytecomp-tests.el | ||
| cconv-tests.el | ||
| checkdoc-tests.el | ||
| cl-extra-tests.el | ||
| cl-generic-tests.el | ||
| cl-lib-tests.el | ||
| cl-macs-tests.el | ||
| cl-preloaded-tests.el | ||
| cl-print-tests.el | ||
| cl-seq-tests.el | ||
| derived-tests.el | ||
| edebug-tests.el | ||
| ert-tests.el | ||
| ert-x-tests.el | ||
| generator-tests.el | ||
| gv-tests.el | ||
| let-alist-tests.el | ||
| lisp-mode-tests.el | ||
| lisp-tests.el | ||
| map-tests.el | ||
| nadvice-tests.el | ||
| package-tests.el | ||
| pcase-tests.el | ||
| pp-tests.el | ||
| regexp-opt-tests.el | ||
| ring-tests.el | ||
| rmc-tests.el | ||
| rx-tests.el | ||
| seq-tests.el | ||
| shadow-tests.el | ||
| subr-x-tests.el | ||
| tabulated-list-test.el | ||
| testcover-tests.el | ||
| text-property-search-tests.el | ||
| thunk-tests.el | ||
| timer-tests.el | ||