ensure \box does not unbind outer values when used twice in a frame

brucemiller · Jan 9, 2025 · d4285a3 · d4285a3
1 parent ecbc892
commit d4285a3
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diff --git a/t/digestion/box.pdf b/t/digestion/box.pdf
diff --git a/t/digestion/box.tex b/t/digestion/box.tex
@@ -73,4 +73,14 @@
 \endgroup
 \box\myboxD
 
+\newbox\myboxE
+\setbox\myboxE\vbox{E will trail as outer, once.}
+\begingroup
+  \setbox\myboxE\vbox{E will appear inner, once.}
+  \box\myboxE
+  \box\myboxE
+\endgroup
+\box\myboxE
+\box\myboxE
+
 \end{document}
diff --git a/t/digestion/box.xml b/t/digestion/box.xml
@@ -161,4 +161,10 @@
   <para vattach="bottom" xml:id="p21">
     <p>D must appear twice.</p>
   </para>
+  <para vattach="bottom" xml:id="p22">
+    <p>E will appear inner, once.</p>
+  </para>
+  <para vattach="bottom" xml:id="p23">
+    <p>E will trail as outer, once.</p>
+  </para>
 </document>