8 lines
		
	
	
		
			140 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			8 lines
		
	
	
		
			140 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # -*- mode: snippet -*-
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| # contributor: Song Qiang <tsiangsung@gmail.com>
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| # key: sum
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| # group: math
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| # name: \sum_{n}^{}
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| # --
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| \sum_{$1}^{$2}$0
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