The "festival" package should download nad install the documentation conditianally depending on the "doc" option. Currently it's hardcoded inside the ebuild... Another good idea would be to separate the voices into more packages but that is off topic... :-) Radek Reproducible: Always Steps to Reproduce:
I am setting up a festival 1.4.3 ebuild, and I will take this into account (as well as several other use flag dependancies.) I'm trying to have the new build ready by tomorrow.
I have a fix on bug 22053 that attempts to address this.
*** This bug has been marked as a duplicate of 22053 ***