# File nqxml/tokenizer.rb, line 157
 def nextChar(n = 1)
	    while @currInput.pos >= @currInput.length
		@inputStack.pop()
		@currInput = @inputStack.last
	    end

	    str = @currInput.string[@currInput.pos, n]
	    @currInput.pos += n
	    return str
	end