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[PATCH] Support POSIX extended regular expressions

From: Shawn Wagner
Subject: [PATCH] Support POSIX extended regular expressions
Date: Sat, 18 Jul 2020 22:32:16 -0700

The attached patch (Made against 1.17-pre1; is there a public git or other
revision control system repository for GNU ed? I didn't see anything on the
savannah page) adds a grep-inspired -E switch to use EREs instead of BREs
(So you don't have to hope the underlying regcomp/regexec implementation
supports BRE extensions like \|).

Attachment: ed-ere.patch
Description: Binary data

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