Fix lettergroups: Sort items to longest first.
Lang en-us: Use rhotic [3] in place of [@] when [r] follows.
Voice files: add attribute "fast-test" to experiment with faster talking speeds.
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@212 d46cf337-b52f-0410-862d-fd96e6ae7743
Moved Croatian/Bosnian/Serbian dictionary source data to hbs_rules, hbs_list.
Added data for Ancient Greek voice ("grc").
In voice files, the attribute: word n adds a short pause between words. n = 1 to 4 for increasing pause length.
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@103 d46cf337-b52f-0410-862d-fd96e6ae7743
Reece Dunn