Add — and –
 [rsc] --rw-rw-r-- M 28433 glenda sys 25915 Sep 19 22:28 sys/src/libhtml/lex.c
	/n/sourcesdump/2005/0919/plan9/sys/src/libhtml/lex.c:250,256 - 
	/n/sourcesdump/2005/0920/plan9/sys/src/libhtml/lex.c:250,256
	  
	  // Character entity to unicode character number map.
	  // Keep sorted by name.
	- StringInt	chartab[142]= {
	+ StringInt	chartab[]= {
	  	{L"AElig", 198},
	  	{L"Aacute", 193},
	  	{L"Acirc", 194},
	/n/sourcesdump/2005/0919/plan9/sys/src/libhtml/lex.c:307,315 - 
	/n/sourcesdump/2005/0920/plan9/sys/src/libhtml/lex.c:307,315
	  	{L"eacute", 233},
	  	{L"ecirc", 234},
	  	{L"egrave", 232},
	- 	{L"emdash", 8212},
	+ 	{L"emdash", 8212},	/* non-standard but commonly used */
	  	{L"emsp", 8195},
	- 	{L"endash", 8211},
	+ 	{L"endash", 8211},	/* non-standard but commonly used */
	  	{L"ensp", 8194},
	  	{L"epsilon", 949},
	  	{L"eta", 951},
	/n/sourcesdump/2005/0919/plan9/sys/src/libhtml/lex.c:333,342 - 
	/n/sourcesdump/2005/0920/plan9/sys/src/libhtml/lex.c:333,344
	  	{L"ldots", 8230},
	  	{L"lt", 60},
	  	{L"macr", 175},
	+ 	{L"mdash", 8212},
	  	{L"micro", 181},
	  	{L"middot", 183},
	  	{L"mu", 956},
	  	{L"nbsp", 160},
	+ 	{L"ndash", 8211},
	  	{L"not", 172},
	  	{L"ntilde", 241},
	  	{L"nu", 957},
 [rsc] --rw-rw-r-- M 28433 glenda sys 25915 Sep 19 22:28 sys/src/libhtml/lex.c