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In my document (due to combind both Chinese and English), all (, ), [, ], etc., are all too low. Is it posibble to raise all (, ), [, ], or any characters user defines to desire height? (for ex. If I want to raise all 'z' for 3pt?)

Thank you so much!

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Should the amount to raise a character depend on its size? If so, it would be best to express the desired dimension in ex. –  Christian Lindig Mar 20 '11 at 6:57
yes. For convenience, I just use pt instead of ex. But if I could do this (raise a specific char for n pt), then I can raise it in any measures as I wish. ps. In some way, I prefer to use pt than em/ex. In topography's book's discussing, most typesetting problem cannot be solved by scaling/proportional calculating. Before reading such books, I use em/ex, etc. But after reading some, I use pt now even though it is more complicated than by using em/ex. Thank you for your reply so much. Maybe using ex is a good idea in this kind of situation. :-) –  Kuang-Li Huang Mar 20 '11 at 7:45
If you use XeTeX, have a look at this question: tex.stackexchange.com/questions/10248/… . You can use similar trick to get parens raised. It would be a little difficult to let it work with xeCJK. I'm sorry I've no much time for this. See also bbs.ctex.org/… –  Leo Liu Mar 20 '11 at 8:21
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1 Answer

As a suggestion, you can define a command to output the parens/brackets in your own format. This is inspired by csquotes package.

A demostration:

\setmainfont{Latin Modern Roman}
\Large [漢字] \enbracket{漢字}

enter image description here

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yes, this is what I use now. But is it possible that doing this without setting any specific command? Sometimes, I can't tell whether the symbols are too high or too low (it depends on what font I use). Or, is it possible to alter the char's height by editing the font itself, or any metofont's command? Thank you –  Kuang-Li Huang Mar 20 '11 at 16:42
You can, certaily, edit the font yourself with fontforge etc., if it is allowed. However, it is not easy and not portable. I made a comment on using \XeTeXinterchartoks to solve this kind of questions, but it's not easy either. (And I've no time to write a complete example.) –  Leo Liu Mar 21 '11 at 4:52
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