add note to each bug only once

My system: winxp, php 5.1.4.

if you are interested in my post_commit.cmd, here it is:

REM Post-commit hook for MantisBT integration

SET REPOS=%1

SET REV=%2

SET DETAILSFILE=c:\tmp\svnfile%REV%

SET LOGFILE=c:\tmp\svnfile%REV%_log

SET AUTHFILE=c:\tmp\svnfile%REV%_auth

SET SVNFILE=c:\tmp\svnfile%REV%_svn

svnlook author -r %REV% %REPOS% > %AUTH_FILE%
echo ^<hr^>^<center^>^<h3^>Source Code Changes^</h3^>^</center^>^<hr^>^<b^>SVN Repository:^</b^> %REPOS% > %DETAILS_FILE%

echo ^<b^>SVN Revision:^</b^> %REV% >> %DETAILS_FILE%

FOR /F %%A IN (%AUTH_FILE%) DO echo ^<b^>SVN Author:^</b^> %%A >> %DETAILS_FILE%

echo ^<b^>SVN Log:^</b^> >> %DETAILS_FILE%
rem

rem extrem komische Sachen mit iconv, sobald es über Eingabeumleitung läuft

rem anders tut es wirklich nicht!

rem

svnlook log -r %REV% %REPOS% > %SVN_FILE%

iconv -f 850 -t iso-8859-1 %SVN_FILE% >> %DETAILS_FILE%
echo ^<hr^>^<b^>SVN Changed:^</b^> >> %DETAILS_FILE%

svnlook changed -r %REV% %REPOS% >> %DETAILS_FILE%

echo ^<hr^> >> %DETAILS_FILE%
svnlook diff --no-diff-deleted --no-diff-added -r %REV% %REPOS%   >> %DETAILS_FILE%
php.exe d:\b\php-mod\mantis\core\checkin.php < %DETAILS_FILE% >> %LOG_FILE%

DEL %DETAILS_FILE%

DEL %LOG_FILE%

DEL %AUTH_FILE%