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Fixed problem with @keyframes syntax #469

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Fixed problem with @keyframes syntax #469

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20 changes: 18 additions & 2 deletions lessc.inc.php
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Original file line number Diff line number Diff line change
Expand Up @@ -411,8 +411,24 @@ protected function findClosestSelectors() {
// multiply $selectors against the nearest selectors in env
protected function multiplySelectors($selectors) {
// find parent selectors

$parentSelectors = $this->findClosestSelectors();

$parentSelectors = null;
$isReal = true;

foreach($selectors as $sel) {
// if a selector begins with a digit it means it's not a real selector
// it's most likely a part of an @keyframes expression
// so it must not be prepended with parent selectors
if(preg_match('/^[0-9]+/', $sel)) {
$isReal = false;
break;
}
}

if($isReal) {
$parentSelectors = $this->findClosestSelectors();
}

if (is_null($parentSelectors)) {
// kill parent reference in top level selector
foreach ($selectors as &$s) {
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