The following markup shows the definition of some simple index entries using the shortform. The index entries are indented to make the source text easier to read.
A portable personal computer has a full-sized keyboard, built-in disk drives and a detachable LCD screen. <idx|keyboard| <idx|disk drive| <idx|screen, LCD| <idx|personal computer, portable| <idx|portable, personal computer|
The following example displays "+" in the index, but it appears where "plus" would appear in the alphabetical list of entries.
<idx>+<sort>plus<\idx>