次のソースで、タイプセットするとエラーになります。
9行目に%をつけるとエラーになりません。

\documentclass{jsarticle}
\usepackage[dvipdfmx]{emathP}

\begin{document}
        \begin{zahyou}[ul=10truemm](-1,3)(-1,3)
        \tenretu*{A(1,2);B(2,.5)}
        \def\Fx{2/(X*X)}
        \Put\A[syaei=x,xlabel=k]{}
        \Put\B[syaei=xy,xlabel=k+1,ylabel={\small \bunsuu{1}{(k+1)^2}}]{}
        \YNurii*\Fx{0}{1}{2}
        \Nuritubusi*[-45]{(1,0)(2,0)\B(1,.5)}
        \YGurafu*[hidarix=0]\Fx
        \Put\hidariT[se]{\small $ y=\bunsuu{1}{x^2}$}
        \end{zahyou}
\end{document}


This is pTeXk, Version 3.1415926-p3.1.10 (sjis) (Web2C 7.5.7) (format=platex 2008.8.3)  1 FEB 2009 22:25
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**shitsumon.tex
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(./shitsumon.aux)
\openout1 = `shitsumon.aux'.

LaTeX Font Info:    Checking defaults for OML/cmm/m/it on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for T1/cmr/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for OT1/cmr/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for OMS/cmsy/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for OMX/cmex/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for U/cmr/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for JY1/mc/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.
LaTeX Font Info:    Checking defaults for JT1/mc/m/n on input line 4.
LaTeX Font Info:    ... okay on input line 4.

! Argument of \@@emathPut@ has an extra }.
<inserted text> 
                \par 
l.9 ...el=k+1,ylabel={\small \bunsuu{1}{(k+1)^2}}]
                                                  {}
I've run across a `}' that doesn't seem to match anything.
For example, `\def\a#1{...}' and `\a}' would produce
this error. If you simply proceed now, the `\par' that
I've just inserted will cause me to report a runaway
argument that might be the root of the problem. But if
your `}' was spurious, just type `2' and it will go away.

Runaway argument?
{\B }{\@bsityuu }\def \reserved@b {\@bsityuu [4pt]}\futurelet \@let@token \ETC.
! Paragraph ended before \@@emathPut@ was complete.
<to be read again> 
                   \par 
l.9 ...el=k+1,ylabel={\small \bunsuu{1}{(k+1)^2}}]
                                                  {}
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.

LaTeX Font Info:    Font shape `JT1/mc/m/n' will be
(Font)              scaled to size 8.64899pt on input line 9.
LaTeX Font Info:    Font shape `JY1/mc/m/n' will be
(Font)              scaled to size 8.64899pt on input line 9.
LaTeX Font Info:    Font shape `JY1/mc/m/n' will be
(Font)              scaled to size 5.76599pt on input line 9.
\openout5 = `./shitsumon.d1.pl'.

system(perl ./shitsumon.d1.pl)...executed.

\openout5 = `./shitsumon.d2.pl'.

system(perl ./shitsumon.d2.pl)...executed.

\openout5 = `./shitsumon.d3.pl'.

system(perl ./shitsumon.d3.pl)...executed.

\openout5 = `./shitsumon.d4.pl'.

system(perl ./shitsumon.d4.pl)...executed.

\openout5 = `./shitsumon.d5.pl'.

system(perl ./shitsumon.d5.pl)...executed.

[1

] (./shitsumon.aux) ) 
Here is how much of TeX's memory you used:
 8312 strings out of 494374
 85105 string characters out of 1170793
 245413 words of memory out of 1500000
 11581 multiletter control sequences out of 10000+50000
 13739 words of font info for 61 fonts, out of 2000000 for 2000
 683 hyphenation exceptions out of 8191
 64i,16n,46p,915b,787s stack positions out of 3000i,500n,5000p,200000b,5000s

Output written on shitsumon.dvi (1 page, 5316 bytes).

▼関連発言
│
└◆7900:修正パック090201でエラー [Kay] 02/01 22:31
　└◆7902:Re:修正パック090201でエラー [tDB] 02/02 08:12
　　└◆7905:Re[2]:修正パック090201でエラー [Kay] 02/02 20:57<-last