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bug#18777: [PATCH] dfa: improvement for checking of multibyte

From: Paul Eggert
Subject: bug#18777: [PATCH] dfa: improvement for checking of multibyte
Date: Wed, 20 Apr 2016 23:21:28 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

I'm attaching a revised patch, relative to the latest grep, to implement the idea of the Bug#18777 patch. This revision calls the new array "never_trail" instead of "always_character_boundary" to nail down the concept a bit more precisely. It also removes what appears to be an unnecessary p < mbp test, and adjusts to more-recent changes in the code.

I'm not installing this into the master branch on savannah, as we'd like to release a new 'grep' soon and this patch should probably wait until after the release.

Attachment: 0001-dfa-speed-up-checking-for-character-boundary.patch
Description: Text Data

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