<handle-errors> element (Cocoon), 220, 240
handler chains (Axis), 402
<handler> element (Axis), 404
handlers (Axis), 442–448
hash functions, 456
<Header> element (SOAP), 380–381
host selector (Cocoon), 234
HTMLSerializer, 34
HTML serializer (Cocoon), 229
HTTP, as RPC transport, 354–356
HXD (Hybrid XML Database), 286
Hybrid XML Database (HXD), 286
hyphenation (FOP), 124–125