* scm/define-grobs.scm (all-grob-descriptions): reorganize in

* scm/define-grobs.scm (all-grob-descriptions): reorganize in
alphabetical order.

* input/regression/trill-spanner-pitched.ly: new file.

* lily/font-interface-scheme.cc (LY_DEFINE): function
ly:grob-default-font (changed from get-default-font).

* lily/axis-group-interface-scheme.cc (LY_DEFINE): new file.

* lily/note-head.cc (internal_print): if style is not a symbol,
set style to 'default.
(internal_print): no style suffix if glyph-name-procedure not
set. Default to quarter head.

* scm/define-grobs.scm (Module): new grob TrillPitchHead.

* scm/define-music-properties.scm (all-music-properties): add trill-pitch.

* ly/music-functions-init.ly: \pitchedTrill

* lily/pitched-trill-engraver.cc (acknowledge_grob): new file.

* ly/Welcome_to_LilyPond.ly: update to 2.6.0

* lily/trill-spanner-engraver.cc (finalize): rename req -> event

* scm/define-markup-commands.scm (pad-markup): pad-markup command.