public static CellTag AddCell(this ICellBuilder builder, GrammarTag grammar, Cell cell)
{
CellTag tag = grammar.AddCell(cell, builder.TagName);
builder.Configure(cell, tag);
return(tag);
}
// TODO -- test
public CellTag BuildTag(Cell cell)
{
ICellBuilder builder = _builders.First(x => x.CanBuild(cell));
var tag = new CellTag(cell, builder.TagName);
builder.Configure(cell, tag);
return(tag);
}