* @param fragmentDocument If this receives events that that are only part of a document.
* Typically, headers are omitted if this is true.
*/
protected LatexSink( Writer out, String sinkCommands, String preamble, boolean fragmentDocument )
{
this.out = new LineBreaker( out );
if ( sinkCommands == null )
{
sinkCommands = defaultSinkCommands();
}