Looks up a key in the Pango config database (pseudo-win.ini style, read from $sysconfdir/pango/pangorc, $XDG_CONFIG_HOME/pango/pangorc, and getenv (PANGO_RC_FILE).)
Key to look up, in the form "SECTION/KEY".
the value, if found, otherwise NULL. The value is a newly-allocated string and must be freed with g_free().
See Implementation
Looks up a key in the Pango config database (pseudo-win.ini style, read from $sysconfdir/pango/pangorc, $XDG_CONFIG_HOME/pango/pangorc, and getenv (PANGO_RC_FILE).)