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Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
bug #4421 empty maxInputVars on js/messages.php

Signed-off-by: Marc Delisle <marc@infomarc.info>
ChangeLog entry

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge commit 'a941632'
Merge commit '17b0851'
Merge commit '67901f3'