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Juri Linkov authored
* doc/emacs/search.texi (Lax Search): Document char-fold-symmetric, char-fold-include, char-fold-exclude. * lisp/char-fold.el (char-fold--default-include) (char-fold--default-exclude, char-fold--default-symmetric) (char-fold--previous): New defconsts. (char-fold-include, char-fold-exclude, char-fold-symmetric): New defcustoms. (char-fold-make-table): Use them. (char-fold-update-table): New function called at top-level. * test/lisp/char-fold-tests.el (char-fold--test-no-match-exactly) (char-fold--permutation): New functions. (char-fold--test-without-customization) (char-fold--test-with-customization): New tests.
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