% set catcodes for the lowercase Russian letters in koi8-r encoding \catcode `\^^c1=12 % \cyra \catcode `\^^c2=12 % \cyrb \catcode `\^^d7=12 % \cyrv \catcode `\^^c7=12 % \cyrg \catcode `\^^c4=12 % \cyrd \catcode `\^^c5=12 % \cyre \catcode `\^^a3=12 % \cyryo \catcode `\^^d6=12 % \cyrzh \catcode `\^^da=12 % \cyrz \catcode `\^^c9=12 % \cyri \catcode `\^^ca=12 % \cyrishrt \catcode `\^^cb=12 % \cyrk \catcode `\^^cc=12 % \cyrl \catcode `\^^cd=12 % \cyrm \catcode `\^^ce=12 % \cyrn \catcode `\^^cf=12 % \cyro \catcode `\^^d0=12 % \cyrp \catcode `\^^d2=12 % \cyrr \catcode `\^^d3=12 % \cyrs \catcode `\^^d4=12 % \cyrt \catcode `\^^d5=12 % \cyru \catcode `\^^c6=12 % \cyrf \catcode `\^^c8=12 % \cyrh \catcode `\^^c3=12 % \cyrc \catcode `\^^de=12 % \cyrch \catcode `\^^db=12 % \cyrsh \catcode `\^^dd=12 % \cyrshch \catcode `\^^df=12 % \cyrhrdsn \catcode `\^^d9=12 % \cyrery \catcode `\^^d8=12 % \cyrsftsn \catcode `\^^dc=12 % \cyrerev \catcode `\^^c0=12 % \cyryu \catcode `\^^d1=12 % \cyrya % additional letters for koi8-ru \catcode `\^^a4=12 % \cyrie \catcode `\^^a6=12 % \cyrii \catcode `\^^a7=12 % \cyryi \catcode `\^^ad=12 % \cyrgup \catcode `\^^ae=12 % \cyrushrt