以下のソースでは，

\documentclass[a4j,fleqn]{jarticle}%
\usepackage{emathP}%
\usepackage{hako}%
%\listfiles
\begin{document}
\begin{rectbox}
\hakosyokika%
\hakosenhaba{0.4pt}
\karaHako(3pt){}
\end{rectbox}
\end{document}

「.2pt　あ」という文字が出てきます．

どうすればよいでしょうか？
よろしくおねがいします．

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(/usr/local/share/texmf/ptex/platex/misc/emath/emathPk.sty)
(/usr/local/share/texmf/ptex/platex/misc/emath/emathT.sty
(/usr/local/share/texmf-dist/tex/latex/tools/array.sty)
(/usr/local/share/texmf-dist/tex/latex/tools/hhline.sty))
(/usr/local/share/texmf/ptex/platex/misc/emath/emathPb.sty)
(/usr/local/share/texmf/ptex/platex/misc/emath/emathPg.sty)
(/usr/local/share/texmf/ptex/platex/misc/emath/emathPsiki.sty
(/usr/local/share/texmf/ptex/platex/misc/emath/emathLb.sty)
(/usr/local/share/texmf-dist/tex/latex/tools/verbatim.sty))
(/usr/local/share/texmf/ptex/platex/misc/emath/bekutorukata.sty)
(/usr/local/share/texmf/ptex/platex/misc/emath/emathPp.sty
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No file 1120.aux.
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 ***********

 )
Output written on 1120.dvi (1 page, 656 bytes).
Transcript written on 1120.log.
##### dvipdfmx 1120.dvi
1120.dvi -> 1120.pdf
[1]
3322 bytes written

▼関連発言
│
└◆6713:rectbox環境とhako [genio] 11/20 12:41
　└◆6714:Re:rectbox環境とhako [石原　守] 11/20 13:01
　　├◆6715:Re[2]:rectbox環境とhako [genio] 11/20 13:10
　　└◆6716:Re[2]:rectbox環境とhako [tDB] 11/20 13:34
　　　└◆6723:Re[3]:rectbox環境とhako [genio] 11/20 18:15<-last