<article xml:lang="en_US" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:xi="http://www.w3.org/2001/XInclude" version="5.2">
<title>LyX</title>
<para>Some text before.</para>
-<informalequation><alt role='tex'>\cfrac[l]{A}{B+C}\,,\,\cfrac{A}{B+C}\,,\,\cfrac[r]{A}{B+C}</alt>
+<informalequation>
+<alt role='tex'>\cfrac[l]{A}{B+C}\,,\,\cfrac{A}{B+C}\,,\,\cfrac[r]{A}{B+C}</alt>
<m:math>
<m:mrow>
</m:mfrac>
</m:mrow>
</m:mrow>
- </m:math></informalequation><para>Some text after.</para>
-
+ </m:math>
+</informalequation>
+<para>Some text after.</para>
</article>
\ No newline at end of file