jodd-core/src/main/java/jodd/buffer/FastCharBuffer.java
@Override
	public FastCharBuffer append(final CharSequence csq, final int start, final int end) {
		for (int i = start; i < end; i++) {
			append(csq.charAt(i));
		}
		return this;
	}
@Override
	public FastCharBuffer append(final CharSequence csq, final int start, final int end) {
		for (int i = start; i < end; i++) {
			append(csq.charAt(i));
		}
		return this;
	}
@ Override public FastCharBuffer append ( final CharSequence csq , final int start , final int end ) { for ( int i = start ; i < end ; i ++ ) { append ( csq . charAt ( i ) ) ; } return this ; }
Appends character sequence to buffer.
Appends character sequence to buffer .