jodd-decora/src/main/java/jodd/decora/parser/DecoraTag.java
public void startRegion(final int start, final int tagLen, final int deepLevel) {
		this.regionStart = start + tagLen;
		this.regionLength = 0;
		this.regionTagStart = start;
		this.deepLevel = deepLevel;
	}
public void startRegion(final int start, final int tagLen, final int deepLevel) {
		this.regionStart = start + tagLen;
		this.regionLength = 0;
		this.regionTagStart = start;
		this.deepLevel = deepLevel;
	}
Starts defining region by setting the start index and reset region length to zero.