LaTeX writer: improve handling of math environments in tex math.

Previously the special handling added for #9711 worked only
when the math element did not contain spaces before the
math environment.

Closes #11266.

1 files changed, 19 insertions, 0 deletions

diff --git a/test/command/11266.md b/test/command/11266.md
new file mode 100644
index 000000000..e7c5ae73e
--- /dev/null
+++ b/test/command/11266.md
@@ -0,0 +1,19 @@
+```
+% pandoc -t latex
+$$
+\begin{eqnarray}
+S &\rightarrow& a A                      \nonumber \\
+A &\rightarrow& d B \ | \ b A \ | \ c A  \nonumber \\
+B &\rightarrow& a c \ | \ b C \ | \ c A  \nonumber \\
+C &\rightarrow& \epsilon                 \nonumber
+\end{eqnarray}
+$$
+^D
+
+\begin{eqnarray}
+S &\rightarrow& a A                      \nonumber \\
+A &\rightarrow& d B \ | \ b A \ | \ c A  \nonumber \\
+B &\rightarrow& a c \ | \ b C \ | \ c A  \nonumber \\
+C &\rightarrow& \epsilon                 \nonumber
+\end{eqnarray}
+```