Hypertext Help with LaTeX
Accents
The rules differ somewhat depending whether you are in text mode, math mode, or the tabbing environment
Text mode
The following accents may be placed on letters. Although "o" is used in most
of the example, the accents may be placed on any letter. Accents may even be
placed above a "missing" letter; for example, \~{} produces a tilde
over a blank space.
The following commands may be used only in paragraph or LR mode.
- \`{o} produces a grave accent, ò
- \'{o} produces an acute accent, ó
- \^{o} produces a circumflex, ô
- \"{o} produces an umlaut or dieresis, ö
- \H{o} produces a long Hungarian umlaut
- \~{o} produces a tilde, õ
- \c{c} produces a cedilla, ç
- \={o} produces a macron accent (a bar over the letter)
- \b{o} produces a bar under the letter
- \.{o} produces a dot over the letter
- \d{o} produces a dot under the letter
- \u{o} produces a breve over the letter
- \v{o} produces a "v" over the letter
- \t{oo} produces a "tie" (inverted u) over the two letters
Note that the letters "i" and "j" require special treatment when they are
given accents because it is often desirable to replace the dot with the accent.
For this purpose, the commands \i and \j can be used to
produce dotless letters.
For example,
- \^{\i} should be used for i, circumflex, î
- \"{\i} should be used for i, umlaut, ï
Several of the above and some similar accents can also be produced in math
mode. The following commands may be used only in math mode.
- \hat{o} is similar to the circumflex (cf. \^)
- \widehat{oo} is a wide version of \hat over several
letters
- \check{o} is a vee or check (cf. \v)
- \tilde{o} is a tilde (cf. \~)
- \widetilde{oo} is a wide version of \tilde over several
letters
- \acute{o} is an acute accent (cf. \`)
- \grave{o} is a grave accent (cf. \')
- \dot{o} is a dot over the letter (cf. \.)
- \ddot{o} is a double dot over the letter
- \breve{o} is a breve (cf. \u)
- \bar{o} is a macron (cf. \=)
- \vec{o} is a vector (arrow) over the letter
Some of the accent marks used in running text have other uses in the tabbing environment. In
that case they can be created with the following command:
- \a' for an acute accent
- \a` for a grave accent
- \a= for a macron accent
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Revised 20 Oct 1995.