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Message-ID:	<5b8f5198.1c69fb81.969c7.a997@mx.google.com>
Date:	Tue, 04 Sep 2018 20:46:32 -0700 (PDT)
From:	Steven Penny <svnpenn AT gmail DOT com>
To:	cygwin AT cygwin DOT com
User-Agent:	Tryst/2.8.0 (cup.github.io/tryst)
Subject:	Tab completion adding spurious escape characters

If you create this file:

    touch -- \''-#%.!$&(),;@[]^`{}=_~+9zZ'

Then enter "touch", "Tab", "Tab", you get this:

    touch \'-#%.\!\$\&\(\)\,\;\@\[\]\^\`\{\}\=_~+9zZ

So the shell is saying that these characters need to be escaped:

    ' ! $ & ( ) , ; @ [ ] ^ ` { } =

but they dont, not all of them:

    $ (set -x; true \' \! \$ \& \( \) \, \; \@ \[ \] \^ \` \{ \} \=)
    + true \' '!' '$' '&' '(' ')' , ';' @ '[' ']' '^' '`' '{' '}' =

Notice carefully that the shell removes escaping for these:

    , @ =

but tab completion is adding it. Is this an issue of Readline or Cygwin?


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