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0b4776b8 - libtextstyle: Prepare intermediate release 0.20.5.

libtextstyle: Prepare intermediate release 0.20.5. * libtextstyle/version.sh: Update version number. * libtextstyle/lib/Makefile.am (LTV_*): Bump to 1:0:1. * libtextstyle/NEWS: Update. * NEWS: Likewise.