D+4 denotes a D chord (D/F/A) with an additionnal G and is thus more
commonly written as D4.
You can't use barre notation for this particular D4 since the G string
should be played "alone" (and don't use a barre anyway).
5:X0221X isn't a Amaj7 but a Dm. I'm not sure of the "official"
representation for Leonard Cohen's exact Amaj7 but X0565X sounds good
to me, is quite easy to perform from X5403X (D4) and is only played on
ADGB strings.
I may have over-simplified chorus chords but D and Am sound good. In
fact, I hardly hear the bass string played (maybe a G which would
justify the D4/Am7) but higher notes in the chords are definitely
those of D and Am chords. Since I usually prefer simplicity over
accuracy, D/Am chords for chorus seems a reasonnable choice.
The indication to play only on ADGB strings has been removed since :
- they now can be played for chorus (based on D/Am chords)
- verse chords properly indicate that both E strings should not be played
For this last point, I explicitly marked the C chord as important
since it is often (almost always) played as X32010 (as opposed to
X3201X in this song)
The repeatchords option enables chords printing in repeated chords
section. The new repeatedchords environment is used by song authors
to declare that chords enclosed in the environment are only the
repeated version of the chords given earlier. This environment allows
users who prefer to repeat chords on every verse and chorus to write
them down, and in conjunction with the repeatchords option to have
songbooks that displays the repeated chords.