Assigns a reference to a unique identifier name.
To reference (barref - IDREF) a unique identifier (id - ID).
Its value must exactly match the value the id which it references.
Identifier names must begin with a letter (A-Z, a-z) and may be followed by any number of letters, digits (0-9), hyphens (" - "), underscores (" _ "), colons (" : "), and periods (" . "). An identifier attribute can not contain character references, such as escaped characters or ampersand-series.
<bar barid="1">... <lyric verse="1" barref="1">blah blah blah </lyric> <lyric verse "2" barref="1">blah2 blah2 blah2 </lyric> </bar>
© 1999, 2000 Author: Jacques Steyn