$ rpm -qf /usr/share/locale/ru/LC_MESSAGES/alterator-tzone-tz.mo
alterator-l10n-2.9.184-alt1.noarch

$ msgunfmt /usr/share/locale/ru/LC_MESSAGES/alterator-tzone-tz.mo | grep -A1 -E '^msgid "GB(-Eire)?"$'
msgid "GB"
msgstr "Великобрита́ния"
--
msgid "GB-Eire"
msgstr "Великобритания-Ирландия"

$ msgunfmt /usr/share/locale/ru/LC_MESSAGES/alterator-tzone-tz.mo | grep -A1 '^msgid "GB"$' | tail -1 | od -An -tx1 -c   # "d0 b0 cc 81" = а + U+0301
  6d  73  67  73  74  72  20  22  d0  92  d0  b5  d0  bb  d0  b8
   m   s   g   s   t   r       " 320 222 320 265 320 273 320 270
  d0  ba  d0  be  d0  b1  d1  80  d0  b8  d1  82  d0  b0  cc  81
 320 272 320 276 320 261 321 200 320 270 321 202 320 260 314 201
  d0  bd  d0  b8  d1  8f  22  0a
 320 275 320 270 321 217   "  \n

$ msgunfmt /usr/share/locale/ru/LC_MESSAGES/alterator-tzone-tz.mo | grep -c $'\xcc\x81'   # all strings with U+0301
1