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Reword documentation to be clearer, and give warning on common user error.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang
2010-09-04 01:30:32 -04:00
parent e2c15f1c98
commit 479d793562
6 changed files with 43 additions and 11 deletions
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7
library/HTMLPurifier/HTMLDefinition.php
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@@ -300,7 +300,12 @@ class HTMLPurifier_HTMLDefinition extends HTMLPurifier_Definition
unset($allowed_attributes_mutable[$key]);
}
}
if ($delete) unset($this->info[$tag]->attr[$attr]);
if ($delete) {
if ($this->info[$tag]->attr[$attr]->required) {
trigger_error("Required attribute '$attr' in element '$tag' was not allowed, which means '$tag' will not be allowed either", E_USER_WARNING);
}
unset($this->info[$tag]->attr[$attr]);
}
}
}
// emit errors