Unicode
characters , 334
codepoint collation, 333
codepoints -to-string() function, 767
collation algorithm, 429
normalization, 232, 383
Private Use Area, 234
string-to-codepoints() function, 791
Uniform Resource Identifier (URI), 22, 533
Uniform Resource Locators (URLs), 533
unordered() function, 795
unparsed-entity-public-id () function, 584
unparsed-entity-uri () function, 585
unparsed-text () function, 587, 611
upper-case () function, 796
URI (Uniform Resource Identifier), 22, 533
URI Identifying a namespace, 262
URIResolver class, 133, 841
URIs as atomic values, 538
URI-valued attributes, 231, 389
URLs (Uniform Resource Locators), 533
Usage section. See literal result elements
use attribute (of xsl:key), 333, 337
use-attribute-sets attribute, 215, 241, 262, 308
use-character-maps attribute, 230
user defined attributes, 124
user defined top-level element
user-defined data elements, 98
XSLT-defined declarations, 98
use-when attribute
using, 85, 89
with named attribute sets, example of, 331