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Re: [Groff] question about .rs and .nop


From: Keith Marshall
Subject: Re: [Groff] question about .rs and .nop
Date: Sun, 25 Aug 2013 21:56:47 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0

On 25/08/13 20:55, Ulrich Lauther wrote:
>>> About the .nop request:
>>> 
>>> .nop anything
>>>                  Always process anything.
>>> 
>>> What is this request good for?
>>  
>>  It's good for things like
>>  
>>    .rs
>>    .nop \&
>>    .sp 3
>>  
>>  which is offers a solution to the .rs/.sp problem when you don't
>>  want "actual text" to be output before the sp request.
>  
> and what´s the difference to
> 
>    .rs
>    \&
>    .sp 3

Nothing, until you want to indent the `\&'.  .nop swallows leading
spaces; it is most useful within macros, to preserve indentation of text
elements, (such as `\&' in this example), when they appear within
conditionals.

-- 
Regards,
Keith.



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