* configure.ac: Add comments to help eith debugging gettext.
* doc/Doxyfile.in: Bump version from 1.9.4 to 1.9.8.
* src/conv.c: Check src_length to avoid an unitinialized heap read.
* src/conv.c, src/io-sim.c, src/search.c: Avoid integer overflow leading to heap overflow.
* src/export.c, src/misc.*: Use standard va_copy(), not GNU __va_copy().
* src/teletext.c: Fix accidental G3 character modification.
* src/vbi.c: Add support for a larger range of framerates, from 12.5fps to 60fps.
- fixes:
CVE-2025-2173 [bsc#1239222]
CVE-2025-2174 [bsc#1239299]
CVE-2025-2175 [bsc#1239312]
CVE-2025-2176 [bsc#1239319]
CVE-2025-2177 [bsc#1239320]
OBS-URL: https://build.opensuse.org/package/show/multimedia:apps/zvbi?expand=0&rev=43
