https://makezine.com/article/craft/graffiti-markup-language-week-at-fa/
Graffiti Markup Language week at Fatlab - Make:
Jan 3, 2010 - Evan Roth at Free Art and Technology writes: Welcome to GML week @fffffat! Graffiti Markup Language (GML) is a new XML file type specifically designed for
graffiti markup languageweekfatlabmake
https://000000book.com/
#000000book - an open database for Graffiti Markup Language (GML) files
graffiti markup languageopen databasegmlfiles