Bug 1299

The two attached files differ only in one letter. The first one is not processed by latex, the second one is sucessfully processed.

$ diff -du align*.tex
--- align-good.tex      Sun Sep 22 15:55:33 2002
+++ align.tex   Sun Sep 22 15:55:10 2002
@@ -14,7 +14,7 @@
 \\section{e}
 
 Я выражаю $\\pi$ через $\\arctan$, для приближенного вычисления которого
-oooьooo
+oooьзoo
 
 \\subsection{b}
 

---
1:

$ latex align.tex 
This is TeX, Version 3.14159 (Web2C 7.3.1)
(align.tex
LaTeX2e <1999/12/01> patch level 1
Babel <v3.6Z> and hyphenation patterns for american, french, german, ngerman, r
ussian, spanish, ukrainian, nohyphenation, loaded.
(/usr/share/texmf/tex/latex/base/report.cls
Document Class: report 1999/09/10 v1.4a Standard LaTeX document class
(/usr/share/texmf/tex/latex/base/size10.clo))
(/usr/share/texmf/tex/latex/base/inputenc.sty
(/usr/share/texmf/tex/latex/cyrillic/koi8-r.def))
(/usr/share/texmf/tex/latex/base/fontenc.sty
(/usr/share/texmf/tex/latex/cyrillic/t2aenc.def)
(/usr/share/texmf/tex/latex/cyrillic/t2acmr.fd))
(/usr/share/texmf/tex/generic/babel/babel.sty
(/usr/share/texmf/tex/generic/babel/russianb.ldf
(/usr/share/texmf/tex/generic/babel/babel.def)))
(/usr/share/texmf/tex/latex/amscls/amsthm.sty)
(/usr/share/texmf/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?\' option.
(/usr/share/texmf/tex/latex/amsmath/amstext.sty
(/usr/share/texmf/tex/latex/amsmath/amsgen.sty))
(/usr/share/texmf/tex/latex/amsmath/amsbsy.sty)
(/usr/share/texmf/tex/latex/amsmath/amsopn.sty)) (align.aux)
{\\Russian \\CYRG \\cyrl \\cyra \\cyrv \\cyra } 1.
! Argument of \\@elt has an extra }.
<inserted text> 
                \\par 
l.53 \\end{proof}
                
?
2:
$ latex align-good.tex 
This is TeX, Version 3.14159 (Web2C 7.3.1)
(align-good.tex
LaTeX2e <1999/12/01> patch level 1
Babel <v3.6Z> and hyphenation patterns for american, french, german, ngerman, r
ussian, spanish, ukrainian, nohyphenation, loaded.
(/usr/share/texmf/tex/latex/base/report.cls
Document Class: report 1999/09/10 v1.4a Standard LaTeX document class
(/usr/share/texmf/tex/latex/base/size10.clo))
(/usr/share/texmf/tex/latex/base/inputenc.sty
(/usr/share/texmf/tex/latex/cyrillic/koi8-r.def))
(/usr/share/texmf/tex/latex/base/fontenc.sty
(/usr/share/texmf/tex/latex/cyrillic/t2aenc.def)
(/usr/share/texmf/tex/latex/cyrillic/t2acmr.fd))
(/usr/share/texmf/tex/generic/babel/babel.sty
(/usr/share/texmf/tex/generic/babel/russianb.ldf
(/usr/share/texmf/tex/generic/babel/babel.def)))
(/usr/share/texmf/tex/latex/amscls/amsthm.sty)
(/usr/share/texmf/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?\' option.
(/usr/share/texmf/tex/latex/amsmath/amstext.sty
(/usr/share/texmf/tex/latex/amsmath/amsgen.sty))
(/usr/share/texmf/tex/latex/amsmath/amsbsy.sty)
(/usr/share/texmf/tex/latex/amsmath/amsopn.sty)) (align-good.aux)
{\\Russian \\CYRG \\cyrl \\cyra \\cyrv \\cyra } 1.

Overfull \\hbox (3.51007pt too wide) in paragraph at lines 16--18
\\T2A/cmr/m/n/10 ъ БШ-ПЮ-ФЮЧ $\\OML/cmm/m/it/10 ^^Y$ \\T2A/cmr/m/n/10 ВЕ-ПЕГ $[]$,
 ДКЪ ОПХ-АКХ-ФЕМ-МН-ЦН БШ-ВХЯ-КЕ-МХЪ ЙН-РН-ПН-ЦН oooЭooo 
[1] [2] (align-good.aux) )
(see the transcript file for additional information)
Output written on align-good.dvi (2 pages, 2616 bytes).
Transcript written on align-good.log.


---
$ rpm -qa tetex\\* | sort -u
tetex-1.0.7-ipl20mdk
tetex-afm-1.0.7-ipl20mdk
tetex-doc-1.0.7-ipl20mdk
tetex-dvilj-1.0.7-ipl20mdk
tetex-dvips-1.0.7-ipl20mdk
tetex-latex-1.0.7-ipl20mdk
tetex-latex-heb-1.0-alt1
tetex-xdvi-1.0.7-ipl20mdk