userdocumentation. +It is provided for developers writing customization layers for the +stylesheets, and for anyone who's interested in
how it +works.
1,
2, etc. +
1,
2, etc. +
1992-1994, whereas:
1992, 1994.
century+year+(
1999not
99) notation.
1991-1992but discretely it's +
1991, 1992.