+@item
+Shorter and narrower variants of some glyphs for example, accidentals.
+Another, more specific example could be an ancient notation breve
+notehead coming in two variants one with a small or big @q{hole} within
+it.
+
+@end itemize
+@divEnd
+
+@strong{Difficulty:} easy
+@strong{Requirements:} MetaFont, C++, good eye for details
+@strong{Recommended knowledge:} basic LilyPond knowledge