escape markdown

when execute scripts/vimmagazinetools.rb generate, it may generate wrong markdown (see bdd092b).

it should be fixed that script.

mdescape()

vim-jp.github.io/scripts/vimmagazinetools.rb

Lines 74 to 84 in 6226ac1

    
           def mdescape(s) 
        
             s = s.gsub("\\", "\\\\\\\\") 
        
             s = s.gsub("<", "\\<") 
        
             s = s.gsub("[", "\\[") 
        
             s = s.gsub("]", "\\]") 
        
             s = s.gsub("`", "&#x60;") 
        
             s = s.gsub("_", "&#x5f;") 
        
             s = s.gsub("^", "&#x5e;") 
        
             s = s.gsub("*", "&#x2a;") 
        
             return s 
        
           end

no longer valid

	def mdescape(s)
	s = s.gsub("\\", "\\\\\\\\")
	s = s.gsub("<", "\\<")
	s = s.gsub("[", "\\[")
	s = s.gsub("]", "\\]")
	s = s.gsub("`", "`")
	s = s.gsub("_", "_")
	s = s.gsub("^", "^")
	s = s.gsub("", "")
	return s
	end