validating
individual attributes, 167
individual elements, 164
result document, 160
source document, 159
temporary tree, 163
validating and annotating the document, 259
validation attribute, 161, 164, 201
validation attribute, values of
lax, 162
preserve, 162
strict, 161
strip, 162
value attribute, 214, 362
value of a constructed attribute, 206
variables
context, 78
datatypes, 74
expressions, 76
global, 73
immutability , 73
local, 73
parameters, 74
temporary trees, 79
variant stylesheets (XML specification example), 685-688
VBScript In MSXML3 stylesheet, 600
<vc> element (XML specification example), 678
vendor defined attributes, 129
vendor extensions
permissible, 595
testing for, 548, 566
vendor or third-party extensions, testing for, 566
version attribute, 123, 124, 437
version compatibility, 123
VitalType attribute (family tree example), 718