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+% OTP for composing accented cyrillic vowels
+% (as used in dictionaries, textbooks etc.)
+
+% (c) Jonas Öster 2002
+
+% You may use, modify and redistribute this file
+% in any way you like.
+
+% Usage: this OTP transforms character pairs like
+% 'a to á where "a" is any vowel used in Modern Russian,
+% except for CYRILLIC CAPITAL/SMALL LETTER IO, in which 
+% case the accent is removed.
+% The character codes of the accented characters are from
+% the OMLGC font encoding.
+
+input: 2;
+output: 2;
+
+expressions:
+
+% We put accents on these letters...
+
+`''@"0410 => @"0a38; % CYRILLIC CAPITAL LETTER A
+`''@"0430 => @"0a39;
+`''@"0415 => @"0a3a; % CYRILLIC CAPITAL LETTER IE
+`''@"0435 => @"0a3b;
+`''@"0418 => @"0a40; % CYRILLIC CAPITAL LETTER I
+`''@"0438 => @"0a41;
+`''@"041e => @"0a46; % CYRILLIC CAPITAL LETTER O
+`''@"043e => @"0a47;
+`''@"0423 => @"0a48; % CYRILLIC CAPITAL LETTER U
+`''@"0443 => @"0a49;
+`''@"042b => @"0a4a; % CYRILLIC CAPITAL LETTER YERU (y)
+`''@"044b => @"0a4b;
+`''@"042d => @"0a4e; % CYRILLIC CAPITAL LETTER E (e oborotnoe)
+`''@"044d => @"0a4f;
+`''@"042e => @"0a50; % CYRILLIC CAPITAL LETTER YU
+`''@"044e => @"0a51;
+`''@"042f => @"0a52; % CYRILLIC CAPITAL LETTER YA
+`''@"044f => @"0a53;
+
+% ... but not on these. The Omega fonts contain 
+% accented versions, but they are never used in
+% printed text.
+
+`''@"0401 => @"0401; % CYRILLIC CAPITAL LETTER IO
+`''@"0451 => @"0451;
+
+% All other characters are left unchanged.
+
+. => \1;
+
+