Item "LilyPond|P" "help-open lilypond"
Item "Linguistics|L" "help-open linguistics"
Item "Multilingual Captions|C" "help-open MultilingualCaptions"
+ Item "PDF comments|D" "help-open PDF-comment"
Item "Risk and Safety Statements|R" "help-open R-S-statements"
Item "Sweave|S" "help-open sweave"
Item "XY-pic|X" "help-open xypic"