[TxMt] Reformat paragraph and the LaTeX mode

Eric Hsu erichsu at math.sfsu.edu
Tue Jan 10 17:12:27 UTC 2006

At 8:16 AM -0600 1/9/06, Charilaos Skiadas wrote:
>On Jan 9, 2006, at 3:59 AM, Marco Kuhlmann wrote:
>>No, tidy does not really do what I want to achieve here.  I also 
>>must admit that the LaTeX bundle's authors' idea of tidyness does 
>>not really match mine ... ;-)
>I think Eric Hsu is responsible for the perl script used, and he 
>seems to have it pretty well documented. It resides in 
>so you could try to toggle it to suit your purposes, it does a lot 
>of stuff that most some people might not like I guess. He is in the 
>mailing list I think, so he might add his input when he gets a 
>chance. I personally have never used the script.

Hi. The tidy script is pretty simple and (as I recall) was a hack to 
tab indent to allow intelligent folding of LaTeX documents. I wrote 
it in 2004 so it's fuzzy in my mind. Everyone is welcome to improve 

>>Reformat Paragraph is really close to what I want, and in fact 
>>would be exactly what I want, if a paragraph would indeed be a 
>>logical LaTeX paragraph (rather than a textual paragraph) for 

I don't understand what that means, but I'm not a LaTeX geek. Does 
that mean that you want a command to remove all line breaks and 
insert breaks before logical separators, like \item and \section, 
etc.?   How far away is LaTeX Tidy, assuming it could work on a 

>>So do I get you right that it is not possible for a language 
>>definition to specify what it counts as a paragraph?
>That is correct, to the best of my knowledge.
>You could ask it as a feature request, though it will probably have 
>to wait until 2.0 at least.

It seems like it would be a straightforward command to write.  I 
would think the fastest thing to do would be to write a little 
command that inserts line breaks before all the things you don't want 
broken and then run a macro to Reformat Paragraph and then run your 
little command.

The insert line break command would be something like (off the cuff)

perl -pe "s/(\\item|\\section|\\subsection)/\n$1/g"

Good luck. If you can't do it, perhaps someone else on the list with 
some time, or wanting to practice writing a simple TM command could 
do it...  My wonderful 7-month old daughter has reduced my 
programming productivity...

best, Eric

ps. The LaTeX bundle has changed a lot (in cool ways) since I last 
worked on it. However, I don't get why there is no built-in way to 
wrap text in \[ \] or \( \), since this is by far the most common 
move I make.  Does anyone have objections to me adding such commands? 
If so, what is the recommended way of doing this with the existing 
Eric Hsu, Assistant Professor of Mathematics
San Francisco State University
erichsu at math.sfsu.edu

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