[latex3-commits] [git/LaTeX3-latex3-latex2e] issue197: document \overunderset for issue #197 (ed61d9f3)

[David Carlisle]

Repository : https://github.com/latex3/latex2e
On branch  : issue197
Link       : https://github.com/latex3/latex2e/commit/ed61d9f3039f62402d11ba924eb9fb16b1c28c1a

>---------------------------------------------------------------

commit ed61d9f3039f62402d11ba924eb9fb16b1c28c1a
Author: David Carlisle <d.p.carlisle at gmail.com>
Date:   Mon Oct 14 20:52:08 2019 +0100

    document \overunderset for issue #197


>---------------------------------------------------------------

ed61d9f3039f62402d11ba924eb9fb16b1c28c1a
 required/amsmath/amsldoc.tex | 11 +++++++----
 required/amsmath/amsmath.dtx |  2 +-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/required/amsmath/amsldoc.tex b/required/amsmath/amsldoc.tex
index 9e08f029..8573682a 100644
--- a/required/amsmath/amsldoc.tex
+++ b/required/amsmath/amsldoc.tex
@@ -64,7 +64,7 @@ Bug reports can be opened (category \texttt{#1}) at\\%
 
 \title{User's Guide for the \nipkg{amsmath} Package (Version~2.1)}
 \author{American Mathematical Society, \LaTeX3 Project}
-\date{1999-12-13 (revised 2002-02-25, 2016-11-14, 2018-04-05)}
+\date{1999-12-13\\(revised 2002-02-25, 2016-11-14, 2018-04-05, 2019-10-14)}
 \makeatletter
 \def\@thanks{\bigskip\MaintainedByLaTeXTeam{amslatex}}
 \makeatother
@@ -1372,9 +1372,12 @@ superscript\index{subscripts and superscripts} above a binary relation.
 In the \nipkg{amsmath} package there are somewhat more general commands,
 \cn{overset} and \cn{underset}, that can be used to place one symbol
 above or below another symbol, whether it's a relation or something
-else. The input |\overset{*}{X}| will place a superscript-size $*$ above
-the $X$: $\overset{*}{X}$; \cn{underset} is the analog for adding a
-symbol underneath.
+else. The input |\overset{*}{X}| will place a superscript-size {\small$*$} above
+the {\small$X$}: {\small$\smash{\overset{*}{X}}$};
+\cn{underset} is the analog for adding a
+symbol underneath. The command \cn{overunderset} is a combination of
+these, taking three arguments to place superscript sized expressions
+above and below the same base.
 
 See also the description of \cn{sideset} in \secref{sideset}.
 
diff --git a/required/amsmath/amsmath.dtx b/required/amsmath/amsmath.dtx
index 8671694b..d3d47047 100644
--- a/required/amsmath/amsmath.dtx
+++ b/required/amsmath/amsmath.dtx
@@ -2091,7 +2091,7 @@ Foreign command \@backslashchar#1;\MessageBreak
 %  \begin{macro}{\overunderset}
 %    This is the combination of the previous two commands which is
 %    something that is sometimes needed.
-% \changes{v2.17c}{FMi}{New command \cs{overunderset}}
+% \changes{v2.17c}{2019/04/01}{New command \cs{overunderset}}
 %    \begin{macrocode}
 \newcommand{\overunderset}[3]{\binrel@{#3}%
   \binrel@@{\mathop{\kern\z@#3}\limits^{#1}_{#2}}}