Fix to lowercase.
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@ -839,7 +839,7 @@ var PostScriptLexer = (function PostScriptLexerClosure() {
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ch = stream.lookChar();
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ch = stream.lookChar();
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if (ch === null)
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if (ch === null)
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break;
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break;
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ch.toLowerCase();
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ch = ch.toLowerCase();
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if (ch >= 'a' && ch <= 'z')
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if (ch >= 'a' && ch <= 'z')
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str += ch;
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str += ch;
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else
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else
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