mac speech manager error codes

[David Blache <alterego@austin.rr.com>]

Please add these to the mac error codes factoid when you get a chance:

mac error -240 is (noSynthFound) Could not find the specified speech
synthesizer **Sound Manager Errors**
mac error -241 is (synthOpenFailed) Could not open another speech
synthesizer channel **Sound Manager Errors**
mac error -242 is (synthNotReady) Speech synthesizer is still busy speaking
**Sound Manager Errors**
mac error -243 is (bufTooSmall) Output buffer is too small to hold result
**Sound Manager Errors**
mac error -244 is (voiceNotFound) Voice resource not found **Sound Manager
Errors**
mac error -245 is (incompatibleVoice) Specified voice cannot be used with
synthesizer **Sound Manager Errors**
mac error -246 is (badDictFormat) Pronunciation dictionary format error
**Sound Manager Errors**
mac error -247 is (badPhonemeText) Raw phoneme text contains invalid
character **Sound Manager Errors**
mac error -248 is (unimplMsg) Unimplemented message **Sound Manager Errors**