Doxygen failing with "warning: Found unknown command `\misc'"
Top-level nightly doxygen builds are failing with:
FAIL: test_doxygen
==================
make[8]: Entering directory '/builds/lscsoft/lalsuite/lalsuite-6.49.1/_build/lal/doxygen'
make[8]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
doxygen/Makefile: getting input sources ...
doxygen/Makefile: configuring Doxygen build ...
doxygen/Makefile: building Doxygen documentation ...
/builds/lscsoft/lalsuite/lalsuite-6.49.1/_build/lal/doxygen/autogen.dox:18: warning: Found unknown command `\misc'
Makefile:950: recipe for target 'html-local' failed
make[8]: *** [html-local] Error 1
make[8]: Leaving directory '/builds/lscsoft/lalsuite/lalsuite-6.49.1/_build/lal/doxygen'
FAIL test_doxygen.sh (exit status: 2)