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This question is in relation to one of my previous questions: How to replace a large block of text by an empty block of the same size?

Is it possible to generate a "blank" font using the metrics of another font in LaTeX? Can this be done "on the fly", during the typesetting of the document?

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Not "on the fly", without substantial work. Moreover this would defeat your purpose, as the metric information and the character names would be present in the output. – egreg Jun 5 '12 at 12:45
Are you after something substantially different than \textcolor{white}{Some text}? – Scott H. Jun 5 '12 at 16:08
You could also produce transparent text as per the answers here – Scott H. Jun 5 '12 at 16:19
@ScottH. Please see the linked post. Changing color is the easiest alternative and has a similar effect, but it is not the same. – digital-Ink Jun 5 '12 at 16:47
@digital-Ink: It's still worth trying to produce a minimal example - you might find a bug in one of the packages! For each package, you could try to see what happens if you remove it. – Hendrik Vogt Jun 6 '12 at 9:41

Edit: different method.

Depending on what you want to do with it, the implementation could likely be improved, but how about the following:





\ttext{Here is some text.}

\ttext{Here is some text.}

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@digital-Ink: am not sure this answers your question but the command \special{color rgb X Y Z} changes the color of the `pen' until the document ends or you change the color again. Here X Y Z is the rgb color specification, so you could just change it to white, i.e.

\special{color rgb 1 1 1}

would change the font color to white but of course latex keeps going as though nothing happened.

\special{color rgb 0 0 0}

changes it back to normal.

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Welcome to TeX.sx! No need to sign your posts since your user badge will show as part of any posts you make. – Peter Jansson Feb 22 '13 at 12:47

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