tools/src/main/java/org/apache/pdfbox/tools/PDFText2HTML.java [208:216]:
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    private static String escape(String chars)
    {
        StringBuilder builder = new StringBuilder(chars.length());
        for (int i = 0; i < chars.length(); i++)
        {
            appendEscaped(builder, chars.charAt(i));
        }
        return builder.toString();
    }
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tools/src/main/java/org/apache/pdfbox/tools/PDFText2Markdown.java [59:67]:
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    private static String escape(String chars)
    {
        StringBuilder builder = new StringBuilder(chars.length());
        for (int i = 0; i < chars.length(); i++)
        {
            appendEscaped(builder, chars.charAt(i));
        }
        return builder.toString();
    }
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