bundles/org.apache.jasper.glassfish/src/org/apache/jasper/compiler/JspReader.java
Mark skipUntil(String limit) throws JasperException {
        Mark ret = null;
        int limlen = limit.length();
        int ch;

    skip:
        for (ret = mark(), ch = nextChar() ; ch != -1 ;
                 ret = mark(), ch = nextChar()) {
            if (ch == limit.charAt(0)) {
                Mark restart = mark();
                for (int i = 1 ; i < limlen ; i++) {
                    if (peekChar() == limit.charAt(i))
                        nextChar();
                    else {
                        reset(restart);
                        continue skip;
                    }
                }
                return ret;
            }
        }
        return null;
    }
Mark skipUntil(String limit) throws JasperException {
        Mark ret = null;
        int limlen = limit.length();
        int ch;

    skip:
        for (ret = mark(), ch = nextChar() ; ch != -1 ;
                 ret = mark(), ch = nextChar()) {
            if (ch == limit.charAt(0)) {
                Mark restart = mark();
                for (int i = 1 ; i < limlen ; i++) {
                    if (peekChar() == limit.charAt(i))
                        nextChar();
                    else {
                        reset(restart);
                        continue skip;
                    }
                }
                return ret;
            }
        }
        return null;
    }
Skip until the given string is matched in the stream.
When returned, the context is positioned past the end of the match.

@param s The String to match.
@return A non-null <code>Mark</code> instance (positioned immediately
before the search string) if found, <strong>null</strong>
otherwise.