SSML 1.0 Core Schema (20020222) Copyright 1998-2002 W3C (MIT, INRIA, Keio), All Rights Reserved. Permission to use, copy, modify and distribute the SSML core schema and its accompanying documentation for any purpose and without fee is hereby granted in perpetuity, provided that the above copyright notice and this paragraph appear in all copies. The copyright holders make no representation about the suitability of the schema for any purpose. It is provided "as is" without expressed or implied warranty. Importing dependent namespaces General Datatypes Duration follows "Times" in CCS specification; e.g. "25ms", "3s" Relative change: e.g. +10, -5.5, +15%, -9.0% Relative change in semi-tones: e.g. +10st, -5st values for height number range: e.g. 0-123, 23343-223333. No constraint that the second number is greater than the first. values for speed values for speed 0.0 - 100.0 say-as datatypes General attributes Elements The 'allowed-within-sentence' group uses this abstract element. Elements with aws as their substitution class are then alternatives for 'allowed-within-sentence'.