760c760,781
< 												if (!in_array($this->caseShift($tagAttrib[0][$attr],$params['casesensitiveComp']),$this->caseShift($params['list'],$params['casesensitiveComp'],$tagName)))	$tagAttrib[0][$attr]=$params['list'][0];
---
> 												$shiftedAllowedAttributes = $this->caseShift($params['list'],$params['casesensitiveComp'],$tagName);
> 												$shiftedAttributeString = $this->caseShift( $tagAttrib[0][$attr], $params['casesensitiveComp']);
> 												if($params['allowMultipleListItems'])	{
> 													$attributeParts = t3lib_div::trimExplode(' ',$shiftedAttributeString, 1);
> 													if(is_array($attributeParts)){
> 														foreach($attributeParts as $attributePart){
> 															if(!in_array($attributePart, $shiftedAllowedAttributes))	{
> 																$tagAttrib[0][$attr]=$params['list'][0];
> 																//when we have one unmatching class, all will be reseted to default
> 																break;
> 															}
> 														}
> 													}else{
> 														//set attribute to default
> 														$tagAttrib[0][$attr]=$params['list'][0];
> 													}
> 												}else{
> 													if (!in_array($shiftedAttributeString, $shiftedAllowedAttributes))	{
> 														//the single shifted attribute string in not in the list of the allowed attributes
> 														$tagAttrib[0][$attr]=$params['list'][0];
> 													}
> 												}
1227,1228c1248,1255
< 								if (strcmp($keepTags[$key]['fixAttrib'][$atName]['range'],''))	$keepTags[$key]['fixAttrib'][$atName]['range'] = t3lib_div::trimExplode(',',$keepTags[$key]['fixAttrib'][$atName]['range']);
< 								if (strcmp($keepTags[$key]['fixAttrib'][$atName]['list'],''))	$keepTags[$key]['fixAttrib'][$atName]['list'] = t3lib_div::trimExplode(',',$keepTags[$key]['fixAttrib'][$atName]['list']);
---
> 
> 								if (strcmp($keepTags[$key]['fixAttrib'][$atName]['range'],'') != 0 && is_string($keepTags[$key]['fixAttrib'][$atName]['range']))	{
> 									$keepTags[$key]['fixAttrib'][$atName]['range'] = t3lib_div::trimExplode(',',$keepTags[$key]['fixAttrib'][$atName]['range']);
> 								}
> 
> 								if (strcmp($keepTags[$key]['fixAttrib'][$atName]['list'],'')  != 0 && is_string($keepTags[$key]['fixAttrib'][$atName]['list']))	{
> 									$keepTags[$key]['fixAttrib'][$atName]['list'] = t3lib_div::trimExplode(',',$keepTags[$key]['fixAttrib'][$atName]['list']);
> 								}