Binary package “libxmhtml-dev” in ubuntu focal
Motif widget for displaying HTML 3.2 (development files)
XmHTML is a high performance Motif Widget capable of displaying HTML
3.2 confirming text. Graphics support, lesstif compatibility and
extensive documentation are amongst its many features.
.
This is the development kit, containing static libraries and header files
necessary to build programs that use XmHTML. The runtime library is
provided by the libxmhtml package.