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How to get a box including some text in text mode, which depth 0pt?

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Can you give a more precise question to adapt my answer? What you want to do exactly with your text ? –  Alain Matthes Apr 25 '11 at 6:53
    
@Altermundus I want the M.S.'s answer! Thanks you too! –  Stufazi Hoqckt Apr 25 '11 at 8:30
    
@M.S. No problem! –  Stufazi Hoqckt Apr 25 '11 at 8:31
    
"at" replies are only seen by the addressee if you use the first few characters of the username. So "@Martin" or "@MartinScharrer" will get noticed but not "@M.S." –  Matthew Leingang Apr 25 '11 at 11:34
    
@ Matthew, I got it. –  Stufazi Hoqckt Apr 25 '11 at 11:37

3 Answers 3

up vote 12 down vote accepted

You can use \raisebox to modify the official height and depth of some text:

\raisebox{0pt}[\height][0pt]{<text>}

This raises the text by 0pt (so not at all), keeps the official height identical to the original height and sets the depth to 0pt.

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@M.S.That is exactly what I want! Thank you. –  Stufazi Hoqckt Apr 25 '11 at 8:54

\smash{great} is a box with zero height and no depth

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@Herbert But if I use \smash{a} in text mode, the letter a turned a math italic shape. –  Stufazi Hoqckt Apr 25 '11 at 8:53
    
no, that is not possible, only inside math you'll get an italic a. –  Herbert Apr 25 '11 at 9:18
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@Herbert: With amsmath you can also say \smash[b]{g} to get zero depth and unmodified height (there's also \smash[t]{...}. –  egreg Apr 25 '11 at 10:03
    
@Herbert Ehh, I just put the \smash in \DeclareMathOperator, that is, \DeclareMathOperator*{\Sup}{su\smash{p}} and use $\Sup$. While \DeclareMathOperator*{\Sup}{su\raisebox[0pt]{\height][0pt]{p}} is good. –  Stufazi Hoqckt Apr 25 '11 at 11:33
    
@egred: I know ... there is also a [bt]. But this is not the problem here ... –  Herbert Apr 25 '11 at 13:20

I don't know exactly what you want to do but if you want a special box with special dim then you can try :

\newbox\mybox
\setbox\mybox=\hbox{}
\ht\mybox=10mm \dp\mybox=0pt \wd\mybox=20mm

But If you put some text in your initial \hbox, you can have some strange results ! When you make a box with some contents, height, depth and width depend of the context.

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You should not modifiy the height and width, unless you are looking for "strange results"!!! –  unbonpetit Apr 25 '11 at 8:09
    
Thanks, I just want a box, inside it is some text, and the box is no depth. –  Stufazi Hoqckt Apr 25 '11 at 8:32

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