How to make Graphviz use ~/.config/fontconfig/fonts.conf by default?

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There is a comment in plugin/pango/gvgetfontlist_pango.c:353,

 	/* Search the installed system font families for the current
	   Graphvis PS font family name, i.e. AvantGarde */

Shouldn’t it be “e.g.” (“for example”) instead of “i.e.” (“that is”)?

PS. And it should be “Graphviz” instead of “Graphvis”.