[OS X TeX] bug with the cyrillic fonts

[juan tolosa]

I am experiencing a strange bug with the cyrillic fonts.

When one types “ts” using, say, the “normal” Roman Cyrillic, the Russian letter “ц” is inserted. If one needs “t” plus “s,” the standard trick is to use, say, {t}s, or t{s}, or even {t}{s}. Now, this is not always working.

I attach a sample file highlighting the problem. I even tried separating the “t” from the “s” using different {\cyr …} declarations, but even so, it doesn’t work. I still see the stubborn “ц” instead of “t” plus “s.”

The funny thing, though, is that I add an extra space, say, for the second “ts” occurrence, then the first one is fixed (the second one is also fixed, but now I have an unwanted extra space between the letters). I added “compare with” to show this phenomenon.


The second funny thing is, if I remove the first (very short) paragraph (“Dear Student” and leave the rest as is, then the bug disappears, and I do see the “t” plus the “s” instead of the “ц.”


Can anyone explain why this is so, and how to solve the problem?


Thanks,


Juan

                     
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