Lexer patch question

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Lexer patch question
Date: 2005-06-15 17:25:58
Message-ID: 200506151725.j5FHPwB18967@candle.pha.pa.us
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I am confused why the following change Tom made to scan.l works.
Isn't that 'x' required so xqescape doesn't match '\x'?

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