[Tcsh] tcsh 6.24: broken escape handling

[Corinna Vinschen]

On Nov 29 11:22, Corinna Vinschen wrote:
> Hi,
> 
> 
> I found a problem with ESC handling in tcsh 6.24.  Consider this
> example: I have a machine called "pinky" and I'd like to see the machine
> name in the terminal header, so basically I perform this command via
> .login:
> 
>   echo "\033]0;pinky\007\c"
> 
> With tcsh 6.22 I'm getting the desired result:
> 
>   $ echo "\033]0;pinky\007\c"   [window title changes]
>   $ 
> 
> While with tcsh 6.24 the title still changes, there's something broken:
> 
>   $ echo "\033]0;pinky\007\c"   [window title changes]
>   "
>   $
> 
> That's with version 6.24.01 as well as with 6.24.02.  On Linux
> I always get a quotation mark, on Cygwin the output is often a
> quotation mark, sometimes random garbage.  The output depends
> on the string to print, but it always contains at least one LF:
> 
>   $ echo "\033]0;pin\007\c"   [window title changes]
>   
>   $
> 
> Sorry for noticing this problem so late, but I'm neither running this
> sequence by default on Cygwin, nor on Linux.  It occured to me only
> because I updated a seldomly used laptop lately, called pinky, FWIW :}

I bisected the problem and it looks like this commit is the culprit,
introducing this problem for the first time:

  06915a414e18 echo parse escape enhancements (H.Merijn Brand)


Corinna