Text Formatting ⇒ Eating preceding spaces

[georgevreilly]

I used to be very knowledgeable about TeX and LaTeX in the late eighties and early nineties, but I've been away from the fold for a long time. I'm pleasantly surprised at how much TeX-fu I still retain, but much has gone.

I'm using \marginpar to add some marginal annotations to a document:

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    \newcommand{\side}[1]{\marginpar{#1}}
 
 
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For legibility, I'd prefer to be able to use it thus:

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    world will little note, nor long remember
    \side{some stuff}
    what we say here, but it can never forget
 
 
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The \side command is on a line by itself, but it applies to the last word on the preceding line. There's a newline at the end of the preceding line and because of that, the marginal note may appear beside the following line in the output.

I know of two ways to fix this, with a trailing %:

Code: Select all

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    world will little note, nor long remember%
    \side{some stuff}
    what we say here, but it can never forget
 
 
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or by moving \side immediately after "remember":

Code: Select all

Code, edit and compile here:

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    world will little note, nor long remember\side{some stuff}
    what we say here, but it can never forget
 
 
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Run LaTeX here

but neither of those are aesthetically satisying. I would prefer not to mutilate the preceding line, but to have the annotation occupy its own line in the TeX input.

Is it possible to have \side discard any whitespace immediately preceding its invocation? I haven't been able to find anything that works. I don't want to put all the regular text inside some environment either.

/George V. Reilly, Seattle

[kaiserkarl13]

I figured out something that might work for you based on code from this web site:
http://www.f.kth.se/~ante/latex.php

Essentially, it puts an optional hyphen (which will never get expanded, since it's at the end of a word) in front of the margin paragraph:

Code: Select all

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\newcommand{\side}[1]{\-\marginpar{#1}}
 
 
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It isn't fool-proof, but here's a working example of a situation where it helps:

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\newcommand{\side}[1]{\-\marginpar{#1}}
\begin{document}
\noindent
blah blah blah blah blah blah blah
{%
world will little note, nor long remember
\side{some stuff}
}%
what we say here, but it can never forget
\end{document}
 
 
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Run LaTeX here

(compare to the result with the optional hyphen command omitted).