Code Duplication    Length = 8-8 lines in 2 locations

Contrib/less.php/Parser.php 2 locations

@@ 762-769 (lines=8) @@
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	 * @param string $tok
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	 * @param string|null $msg
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	 */
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	public function expect($tok, $msg = NULL) {
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		$result = $this->match( array($tok) );
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		if (!$result) {
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			$this->Error( $msg	? "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'" : $msg );
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		} else {
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			return $result;
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		}
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	}
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	/**
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	 * @param string $tok
@@ 774-781 (lines=8) @@
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	/**
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	 * @param string $tok
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	 */
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	public function expectChar($tok, $msg = null ){
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		$result = $this->MatchChar($tok);
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		if( !$result ){
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			$this->Error( $msg ? "Expected '" . $tok . "' got '" . $this->input[$this->pos] . "'" : $msg );
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		}else{
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			return $result;
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		}
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	}
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	//
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	// Here in, the parsing rules/functions