Moving librsvg's documentation to gi-docgen

from blog Federico's Blog, | ↗ original
Librsvg's documentation tooling is pretty ancient. The man page for rsvg-convert is written by hand in troff, and the C library's reference documentation still uses the venerable gtk-doc. As part of the modernization effort, I have turned the man page into a reStructuredText document, and the C API documentation into …