Document all parameters on `indent-relative'

* doc/lispref/text.texi (Relative Indent): Mention the FIRST-ONLY
parameter (bug#39330).

1 files changed, 4 insertions, 1 deletions

diff --git a/doc/lispref/text.texi b/doc/lispref/text.texi
index 559b2b1c973..550e7feee2e 100644
--- a/doc/lispref/text.texi
+++ b/doc/lispref/text.texi
@@ -2566,7 +2566,7 @@ the beginning of the line (if @var{nochange-regexp} is non-@code{nil}).
   This section describes two commands that indent the current line
 based on the contents of previous lines.
 
-@deffn Command indent-relative &optional unindented-ok
+@deffn Command indent-relative &optional first-only unindented-ok
 This command inserts whitespace at point, extending to the same
 column as the next @dfn{indent point} of the previous nonblank line.  An
 indent point is a non-whitespace character following whitespace.  The
@@ -2582,6 +2582,9 @@ nothing (if @var{unindented-ok} is non-@code{nil}) or calls
 of the last column of a short line of text, this command ordinarily
 moves point to the next tab stop by inserting whitespace.
 
+If @var{first-only} is non-@code{nil}, only the first indent point is
+considered.
+
 The return value of @code{indent-relative} is unpredictable.
 
 In the following example, point is at the beginning of the second