[TYPO3-core] RFC: Bugfix #10143 spamProtectEmailAddresses_atSubst does not work correctly if linktext contains email address with uppercase charachters

[Helmut Hummel]

sorry for the broken subject ...

Helmut Hummel wrote:
 >
 > BT reference: http://bugs.typo3.org/view.php?id=10143
 >
 > The email address in the linktext will not be substituted with the
 > proteced version because the replacement of the linktext is done case
 > sensitive.
 >
 > Solution:
 > Do a case insensitive relpacement instead.