/// <summary>
/// Default process new line state.
/// </summary>
/// <param name="editor"></param>
/// <param name="c"></param>
/// <returns>The new state after processing the current state.</returns>
protected int DefaultProcessNewLine(CodeEditor editor, Region c)
{
// exit lexer if line does not end with "..."
int i = c.Pos - 1;
var C = (char)editor.GetCharAt(i);
while (i > 0 && C != '\n' && char.IsWhiteSpace(C))
C = (char)editor.GetCharAt(--i);
return editor.GetTextRange(i - 2, 3) != "..." ? -1 : (int)BaseState.Default;
}