[latex3-commits] [git/LaTeX3-latex3-mathtools] master: fixed issue #18 (f2dc579)

[daleif]

Repository : https://github.com/latex3/mathtools
On branch  : master
Link       : https://github.com/latex3/mathtools/commit/f2dc579f21ac287df530875ceee5254b58e0efa9

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

commit f2dc579f21ac287df530875ceee5254b58e0efa9
Author: daleif <daleif at math.au.dk>
Date:   Wed Dec 16 18:34:40 2020 +0100

    fixed issue #18


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f2dc579f21ac287df530875ceee5254b58e0efa9
 ANNOUNCEMENT  | 6 ++++++
 mathtools.dtx | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ANNOUNCEMENT b/ANNOUNCEMENT
index 41a48f9..07d0d74 100644
--- a/ANNOUNCEMENT
+++ b/ANNOUNCEMENT
@@ -1,3 +1,9 @@
+Announcement release 2020/12/xx
+
+* fixed issue #18, thanks to RuixiZhang42 
+
+
+
 Announcement release 2020/03/24
 
 * mathtools and empheq is now hosted at https://github.com/latex3/mathtools 
diff --git a/mathtools.dtx b/mathtools.dtx
index bb1e929..495aa60 100644
--- a/mathtools.dtx
+++ b/mathtools.dtx
@@ -5901,8 +5901,10 @@ colorlinks,
 %    \end{macrocode}
 %  Create a box containing the math and force a cramped style by
 %  issuing a non-existing radical.
+% \changes{v1.25}{2020/12/16}{Don't set \cs{nulldelimiterspace} to
+% zero, back kern intead, solves issue \#18}
 %    \begin{macrocode}
-  \sbox\z@{$\m at th#1\nulldelimiterspace=\z@\radical\z@{#2}$}
+  \sbox\z@{$\m at th#1\kern-\nulldelimiterspace\radical\z@{#2}$}
 %    \end{macrocode}
 %  Then make sure the height is correct.
 %    \begin{macrocode}