gobject-introspection-1.62.0.ebuild and gobject-introspection-1.64.0 have:
gtk-doc? ( >=dev-util/gtk-doc-1.19
test? ( x11-libs/cairo[glib] )
while both gobject-introspection-1.60.2-r1.ebuild has:
This is a regression WRT bug #693408, and thus yielding new test failures on test_docwriter.py tests.
The dep is already there for USE=doctool (rdepend). If there's a problem, then it's about doctool deps being needed on tests even with -Ddoctool=false being passed to meson configuration
The dep on markdown was added in version 1.60.2-r1 in bug #693408, and it fixed tests with the use case USE="-doctool test". Is it really a problem to add it back to 1.62.0 and 1.64.0?