成员的完整列表，这些成员属于 LatexDocVisitor::ActiveRowSpan,包括所有继承而来的类成员

ActiveRowSpan(DocHtmlCell *c, int rs, int cs, int col)	LatexDocVisitor::ActiveRowSpan	inline
cell	LatexDocVisitor::ActiveRowSpan
colSpan	LatexDocVisitor::ActiveRowSpan
column	LatexDocVisitor::ActiveRowSpan
rowSpan	LatexDocVisitor::ActiveRowSpan