- example, the pattern string 'tty[SR]' would match either 'ttyS' or 'ttyR'.
- Ranges are also supported via the '-' character.
- For example, to match on the range of all digits, the pattern [0-9] could
- be used. If the first character following the '[' is a '!', any characters
- not enclosed are matched.</para>
+ example, the pattern string <literal>tty[SR]</literal>
+ would match either <literal>ttyS</literal> or <literal>ttyR</literal>.
+ Ranges are also supported via the <literal>-</literal> character.
+ For example, to match on the range of all digits, the pattern
+ <literal>[0-9]</literal> could be used. If the first character
+ following the <literal>[</literal> is a <literal>!</literal>,
+ any characters not enclosed are matched.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>|</literal></term>
+ <listitem>
+ <para>Separates alternative patterns. For example, the pattern string
+ <literal>abc|x*</literal> would match either <literal>abc</literal>
+ or <literal>x*</literal>.</para>