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How to make underlining of a command line disappear after an ordinary key press?

X-seq: zsh-users 14474
From: Guido van Steen <gvsteen@xxxxxxxxx>
To: zsh-users@xxxxxxxxxx
Subject: How to make underlining of a command line disappear after an ordinary key press?
Date: Sat, 10 Oct 2009 03:16:02 -0700 (PDT)
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Hi all, 

I am trying to write a widget, let me call it 
"underline_cmdline_partially". Not very urprisingly, 
its purpose is to underline a part of the command line. 
It does so by calling something like 
"""region_highlight=("$my_mbegin $MEND underline")""". 
Now, if the next key pressed is an ordinary key - like 
 "a" - I would like the partial underlining of the 
command line to disappear. 

Is there an easy way to achieve this e.g. by calling 
"zle_highlight=(region:standout special:standout 
isearch:underline)" - the default setting - in the 
widget "underline_cmdline_partially"? 

Thanks in advance, 

Guido 



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