Strange man-page

[dashohoxha]

This man-page looks strange:

• https://github.com/BRL-CAD/brlcad/blob/main/doc/docbook/system/man3/libbu.xml
• https://raw.githubusercontent.com/BRL-CAD/brlcad-docs/man-pages/docs/modules/man/uncorrected/3/libbu.adoc

I don't know how to handle it.

[dashohoxha]

Related to #30