public static CodeBlockEdit createReplace(int offset, int length, AbstractCodeBlock block) { return new CodeBlockEdit(new TextRange(offset, length), block, -1, 0);
public static CodeBlockEdit createReplace(int offset, int length, AbstractCodeBlock block, int indent) { return new CodeBlockEdit(new TextRange(offset, length), block, indent, 0);
	public static CodeBlockEdit createReplace(int offset, int length, AbstractCodeBlock block) {		return new CodeBlockEdit(new TextRange(offset, length), block, -1, 0);	}