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 Below is a fairly comprehensive list of ANSI references:
 
 * A parser for DEC’s ANSI-compatible video terminals: http://vt100.net/emu/dec_ansi_parser
-* The Xterm source (considered a de-facto standard when it comes to escape sequences): https://github.com/joejulian/xterm
 * Xterm control sequences: https://invisible-island.net/xterm/ctlseqs/ctlseqs.html
 * The TTY demystified - background information on TTYs: http://www.linusakesson.net/programming/tty/
 * XTerm testing resources: https://systemundertest.org/xterm/