Neue Erkenntnis:
Den von PHP generierten Quelltext habe ich überprüft. Und es wir auch alles so generiert wie ich es möchte, doch nach "</body></html>" geht es noch weiter mit folgendem:
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/td><td> $fr_nr_4 $fr_4 - <small> $fr_4_bem </small>"; </td></tr>
<tr><td></td><td> $fr_nr_5 $fr_5 - <small> $fr_5_bem </small>"; </td></tr>
</table>mall>"; ?></td></tr>
<tr><td> </td><td><?php echo $do_nr_5," ",$do_5," - <small>",$do_5_bem,"</small>"; ?></td></tr>
</table>
<br><hr><br>
<table width="85%" align="center" border="0">
<tr><td width="20%">Freitag:</td><td> </td></tr>
<tr><td> </td><td><?php echo $fr_nr_1," ",$fr_1," - <small>",$fr_1_bem,"</small>"; ?></td></tr>
<tr><td> </td><td><?php echo $fr_nr_2," ",$fr_2," - <small>",$fr_2_bem,"</small>"; ?></td></tr>
<tr><td> </td><td><?php echo $fr_nr_3," ",$fr_3," - <small>",$fr_3_bem,"</small>"; ?></td></tr>
<tr><td> </td><td><?php echo $fr_nr_4," ",$fr_4," - <small>",$fr_4_bem,"</small>"; ?></td></tr>
<tr><td> </td><td><?php echo $fr_nr_5," ",$fr_5," - <small>",$fr_5_bem,"</small>"; ?></td></tr>
</table>
</body></html>
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Kann sich das wer erklären?