Package: grep Tags: patch The patch avoids to add same character to a bracket expression in trivial_case_ignore. That may be able to generate smaller tokens in multibyte locales.
For example, FULLWIDTH LATIN CAPITAL LETTER A (ef bd 81) will transform as below, because multibyte characters in CSET is extended to OR expressions in DFA. Before the patch: [AAa] (where each charactecter is fullwidth) EF BD CAT 81 CAT EF BD CAT 81 CAT OR EF BC CAT A1 CAT OR After the patch: [Aa] (where each charactecter is fullwidth) EF BD CAT 81 CAT EF BC CAT A1 CAT OR
patch.txt
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