handler" errors. This usually happens when signal handlers are not being
exported correctly (via G_MODULE_EXPORT), but I'd leave it for upstream to
decide how to come up with a proper fix. For now, adding `-export-dynamic'
to LDFLAGS is probably OK for a quick'n'dirty remedy.
While here: rephrase COMMENT text, install a few documentation files, and
reformat and amend port description text.
PR: 199139