\indent
\indent
produces a horizontal space whose width equals the
width of the \parindent
length, the normal paragraph
indentation. It is used to add paragraph indentation where it would
otherwise be suppressed.
The default value for \parindent
is 1em
in two-column
mode, otherwise 15pt
for 10pt
documents, 17pt
for
11pt
, and 1.5em
for 12pt
.