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.
These 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. These commands may be used only
in math mode.
- \hat{o} is similar to the circumflex (cf. \^)
- \widehat is a wide version of \hat
- \check{o} is a vee or check (cf. \v)
- \tilde{o} is a tilde (cf. \~)
- \widetilde is a wide version of \tilde
- \acute{o} is an acute accent (cf. \`)
- \grave{o} is a grave accent (cf. \')
- \dot{o} is a dot over the letter (cf. \.)
- \breve{o} is a breve (cf. \u)
- \bar{o} is a macron (cf. \=)
- \ddot{o} is a double dot over the letter
- \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
Related topics:
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Sheldon Green, agxsg@giss.nasa.gov, 10 Jul 1995.