|[ < ]||[ > ]||[ << ]||[ Up ]||[ >> ]||[Top]||[Contents]||[Index]||[ ? ]|
This is the "sort input text" option.
Causes the input text to be sorted. If an argument is supplied,
it is presumed to be a pattern and the sort is based upon the
matched text. If the pattern starts with or consists of
an asterisk (
*), then the sort is case insensitive.