LaTeX writer: Don't highlight code in headings.

This causes compilation errors, and I don't know how
to work around them.  Closes #5574.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/command/5574.md b/test/command/5574.md
new file mode 100644
index 000000000..441b3afd6
--- /dev/null
+++ b/test/command/5574.md
@@ -0,0 +1,8 @@
+No highlighting inside heading:
+```
+% pandoc -t latex
+# `foo`{.cpp}
+^D
+\hypertarget{foo}{%
+\section{\texorpdfstring{\texttt{foo}}{foo}}\label{foo}}
+```