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Date: Wed, 18 Nov 2015 16:00:03 +0100
From: Klaus Ethgen <Klaus+zsh@Ethgen.ch>
To: zsh-workers@zsh.org
Subject: Re: Undocumented construct <<(
Message-ID: <20151118150003.GC10880@ikki.ethgen.ch>
Reply-To: Klaus+zsh@Ethgen.ch
References: <20151118142305.GB10880@ikki.ethgen.ch>
 <20151118144147.116022ee@pwslap01u.europe.root.pri>
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Hi,

Am Mi den 18. Nov 2015 um 15:41 schrieb Peter Stephenson:
> On Wed, 18 Nov 2015 15:23:08 +0100
> Klaus Ethgen <Klaus+zsh@Ethgen.ch> wrote:
> > I searched now pretty long for a undocumented construct <<(list).
> 
> It's written confusingly (not the first time for a zsh construct :-/).

:-)

> It's particularly confusing given that "<<HERE" is indeed a special
> construct.
> 
> What you're looking at is a normal < followed by a <(list),

Yes, that is the same. I just wasn't aware that it also work for the
special <(...) construct.

Nevertheless, thanks for the fast response and for documenting it.

For the records, I fixed zsh.vim to allow that syntactical sugar:
- --- /usr/share/vim/vim74/syntax/zsh.vim 2015-08-17 03:23:35.000000000 +0100
+++ zsh.vim     2015-11-18 15:44:37.885885225 +0100
@@ -55,7 +55,7 @@
 syn match   zshRedir            '|&\='
 
 syn region  zshHereDoc          matchgroup=zshRedir
- -                                \ start='<\@<!<<\s*\z([^<]\S*\)'
+                                \ start='<\@<!<<\s*\z([^<(]\S*\)'
                                 \ end='^\z1\>'
                                 \ contains=@zshSubst
 syn region  zshHereDoc          matchgroup=zshRedir

Maybe that can find a way into vim in some future time too. :-)

Regards
   Klaus
- -- 
Klaus Ethgen                              http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16   Klaus Ethgen <Klaus@Ethgen.ch>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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