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RE: Quoted parameter parsing glitch

X-seq: zsh-workers 15678
From: Borsenkow Andrej <Andrej.Borsenkow@xxxxxxxxxxxxxx>
To: "'Bart Schaefer'" <schaefer@xxxxxxxxxxxxxxxx>, zsh-workers@xxxxxxxxxx
Subject: RE: Quoted parameter parsing glitch
Date: Wed, 22 Aug 2001 20:21:09 +0400
Importance: Normal
In-reply-to: <1010822155420.ZM23938@xxxxxxxxxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm

> schaefer<502> print "${foo:-"}"
> dquote braceparam>
> 
> At this point the parser is in an infinite loop.  There's nothing you
can
> type (except end-of-file or interrupt) that will free you from the PS2
> prompt.
> 

Shell should not hang, but please note it is invalid as per POSIX.
Double-quotes and braces must match. So whatever fix is used, it should
not make the above valid construct (i.e. it should not print `"'). 

-andrej

Follow-Ups:
- Re: Quoted parameter parsing glitch
  - From: Bart Schaefer

References:
- Quoted parameter parsing glitch
  - From: Bart Schaefer

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