HI; Is this something to be concerned about?
Thanks, Ken Wolcott Lilypond 2.22.2 (Mac homebrew) warns about ice-9 when using \articulate GNU LilyPond 2.22.2 (running Guile 2.2) Processing `Silent_Night.ly' Parsing... Interpreting music...[8][16][24][32][40][48] Preprocessing graphical objects... Interpreting music... MIDI output to `Silent_Night.midi'... Finding the ideal number of pages... Fitting music on 1 page... Drawing systems... Converting to `Silent_Night.pdf'... (ice-9 debug) is deprecated. Use (system vm trace) for tracing. Success: compilation successfully completed