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Cyrillic fonts: Type A. Alt [Reference: codepage 866 (as given in Unicode 1.0, Vol 2, Appendix C).] The Alt fonts have the Cyrillic letters in the ranges 0200-0237: capitals, 0240-0257,0340-0357: lower case, 0360-0367: some additional letters. Here we have the alt* fonts (except that the positions 0362-0367 do not carry upper and lower case e, yi, short u). However, altc has some additional slavic characters (and fewer line drawing characters). Cyr_a8xN follows cp866 in the positions 0200-0257 and 0340-0357. This means that upper and lower case io (cp866 codes 0360, 0361) are also missing. Type B. Koi8 [Reference: RFC 1489 for koi8-r, RFC 2319 for koi8-u] The koi8-r and koi8-u character sets are almost identical. For the 8 letters in koi8-u, not in koi8-r, see src/koi8.syms.h. The koi8* fonts here are the koi8 equivalents of the alt* fonts above; in particular, koi8c-8x16 includes koi8u but has additional slavic characters. koi8-14.psf follows koi8r in the positions 0300-0377 (and has some iso-8859-5 symbols in 0240-0277, and yat, fita, izhitsa in 0200-0202, 0220-0222). In particular, it does not have the io and IO at 0243, 0263. qinglong@Bolizm.ihep.su writes: "BTW, there is no full rfc1489 compliant russian font shipping with `kbd'." and contributed koi8r-8x8. Type C. ISO 8859-5 iso05.fN precisely follows iso-8859-5 in all positions where that norm defines a symbol. It has no symbols in the range 0200-0237. 880.cp follows iso-8859-5 in the positions 0240-0377 except that the four symbols 0244, 0364, 0371, 0372 [Ukrainian Cyrillic letter ie (upper and lower case), and Cyrillic small letter lje, nje] are missing. It has a few old Russian symbols in the range 0200-0202, 0220-222 (yat, fita, izhitsa). Thus, in spite of its name it has very little to do with the ibm cp880 (as described in GNU recode).