[l2h] 2 bugs in l2h

[Roman Semizarov]

1. If there is a space in the path to miktex, problems occur.
   E.g. config.pl can not exeÓute dvips for checking its version.

   I think this is very significant bug, because last versions
    of MikTeX are installed in  "c:\program files\" by default.

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2. If l2h see one of my favorite definitions

 \newcommand{\(}{\left(}

it answers

,/\\(([\d\W]|$)/: unmatched () in regexp at C:\LATEX2HTML\BIN/latex2html.bat lin
e 5768.

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Sorry for poor English.

Roman