about using TeX's programming capabilities to modify input text.

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10
votes
2answers
1k views

How to exclude text portions by simply setting a variable or option?

I'm writing a document where some text portions are confidential and would therefore like to create an environment (e.g. confidential) which I can then exclude from the PDF by simply setting a ...
3
votes
2answers
699 views

How to make overlaid text?

Is there a nice way to overlay text in the space of one character? So if text is overlaid as I described it would almost result in a black square.
5
votes
2answers
304 views

Floating point formatting in TeX

After long I was exposed to TeX and to a problem that seems to be so simple in traditional languages but surprisingly hard to solve in TeX. We have system out of our scope of control that provides us ...
2
votes
2answers
351 views

Include LaTeX file named with substring of current filename

I'm frequently creating presentations with beamer and need both the handout and the presentation itself. To avoid editing the file when I need to compile the other, I use \ifdefined\ishandout ... at ...
3
votes
3answers
706 views

Tikz rectangle hiding text!

Using this code to achieve an effect as in the question Page border coloured. \usepackage{tikz} \usetikzlibrary{calc} \newcommand{\pageframe}{% \begin{tikzpicture}[remember picture,overlay] ...
0
votes
1answer
175 views

How can I replace parts of an included PDF file?

I'm using pdflatex and \epsfig{file=img.pdf}. I'd like to replace some text in img.pdf. It seems that psfrag can do this with latex, and there is mention of pstools doing this with pdflatex, but it ...
7
votes
4answers
835 views

Representing linguistic text annotations in LaTeX

I'm writing a document describing the semantics of opinion phrases in English, and in order to do so, I'm annotating particular spans of text as having particular semantic functions within the ...
5
votes
2answers
191 views

Changing catcode for commercial at (@) inside a macro to get it matched in pattern.

This question is related to TikZ: pgfutil-common: pgfutil@in@ - how does it work? and is a result of coping with that problem. I've already read How to change #catcode in a macro, but it didn't help ...
5
votes
1answer
408 views

TikZ: pgfutil-common: pgfutil@in@ - how does it work?

Having been writing small lib for TikZ, I tried to use this macro in order to search for @. Code compiled, but the result was false, despite that I was sure it was in tested string. So, I decided to ...
2
votes
2answers
1k views

applying math formatting to a non-math font

This post summarizes a digression that began in comments to a different post with User JFBU. The basic question here is what commands are needed to get the full character-set of a non-math font (in ...
6
votes
2answers
923 views

“Pretty-printing” numbers with significant figures

I like to use LaTeX to display data in figures and tables. I've used arrayjobx.sty and fp.sty to extremely good effect to handle data that comes out of, e.g., Excel or other Windoze-world data ...
57
votes
5answers
66k views

How to write hidden notes in a LaTeX file?

How can I write notes in a LaTeX file, that don't appear in the PDF file?
11
votes
1answer
3k views

Replacing a substring

I've got a string like this: aXYbXYc, and need to replace the XY substring with a right arrow: a $\to$ b $\to$ c. Is there any function (also provided by external packages) to help me do that?
8
votes
4answers
4k views

How to fit text in a box of given size?

Say I want to typeset small piece of text as a logo/motto/slogan or whatever. The text is not much longer than "Lorem Ipsum Dolor". I want this to fit tightly in a box of certain size (e.g. 7x2cm). ...
24
votes
7answers
2k views

How to split text into characters

I would like to define a function which splits an input text into its constituent letters, so I can process each letter individually (the background to this question is that I would like to put each ...
14
votes
3answers
947 views

Extracting the contents of text in a specified environment into a new file

Imagine I have a complete latex file and I want to extract only the text that appears in a specified environment (i.e., within a custom hypothesis environment) For example: \begin{document} ... Lots ...