@@ -2107,8 +2107,8 @@ class Parser(object):
21072107\\ subseteq\\ supseteq\\ cong\\ Join
21082108\\ sqsubset\\ sqsupset\\ neq\\ smile
21092109\\ sqsubseteq\\ sqsupseteq\\ doteq\\ frown
2110- \\ in\\ ni\\ propto
2111- \\ vdash \\ dashv \\ dots '''split ())
2110+ \\ in\\ ni\\ propto\\ vdash
2111+ \\ dashv \\ dots \\ dotplus \\ doteqdot '''split ())
21122112
21132113_arrow_symbols = set ('''
21142114\\ leftarrow\\ longleftarrow\\ uparrow
@@ -2190,6 +2190,7 @@ def __init__(self):
21902190p .simple = Forward ()
21912191p .simple_group = Forward ()
21922192p .single_symbol = Forward ()
2193+ p .snowflake = Forward ()
21932194p .space = Forward ()
21942195p .sqrt = Forward ()
21952196p .stackrel = Forward ()
@@ -2223,6 +2224,7 @@ def __init__(self):
22232224unicode_range = "\U00000080 -\U0001ffff "
22242225p .single_symbol <<= Regex (r"([a-zA-Z0-9 +\-*/<>=:,.;!\?&'@()\[\]|%s])|(\\[%%${}\[\]_|])" %
22252226unicode_range )
2227+ p .snowflake <<= Suppress (p .bslash )+ oneOf (self ._snowflake )
22262228p .symbol_name <<= (Combine (p .bslash + oneOf (list (six .iterkeys (tex2uni ))))+
22272229FollowedBy (Regex ("[^A-Za-z]" ).leaveWhitespace ()| StringEnd ()))
22282230p .symbol <<= (p .single_symbol | p .symbol_name ).leaveWhitespace ()
@@ -2297,8 +2299,10 @@ def __init__(self):
22972299| Error ("Expected \operatorname{value}" ))
22982300 )
22992301
2300- p .placeable <<= (p .symbol # Must be first
2301- | p .accent # Must be second
2302+ p .placeable <<= (p .snowflake # this needs to be before accent so named symbols
2303+ # that are prefixed with an accent name work
2304+ | p .accent # Must be before symbol as all accents are symbols
2305+ | p .symbol # Must be third to catch all named symbols and single chars not in a group
23022306| p .c_over_c
23032307| p .function
23042308| p .group
@@ -2498,13 +2502,15 @@ def symbol(self, s, loc, toks):
24982502return [Hlist ( [self ._make_space (0.2 ),
24992503char ,
25002504self ._make_space (0.2 )] ,
2501- do_kern = False )]
2505+ do_kern = True )]
25022506elif c in self ._punctuation_symbols :
25032507return [Hlist ( [char ,
25042508self ._make_space (0.2 )] ,
2505- do_kern = False )]
2509+ do_kern = True )]
25062510return [char ]
25072511
2512+ snowflake = symbol
2513+
25082514def unknown_symbol (self ,s ,loc ,toks ):
25092515# print "symbol", toks
25102516c = toks [0 ]
@@ -2560,9 +2566,9 @@ def c_over_c(self, s, loc, toks):
25602566r'bar' :r'\combiningoverline' ,
25612567r'grave' :r'\combininggraveaccent' ,
25622568r'acute' :r'\combiningacuteaccent' ,
2563- r'ddot' :r'\combiningdiaeresis' ,
25642569r'tilde' :r'\combiningtilde' ,
25652570r'dot' :r'\combiningdotabove' ,
2571+ r'ddot' :r'\combiningdiaeresis' ,
25662572r'vec' :r'\combiningrightarrowabove' ,
25672573r'"' :r'\combiningdiaeresis' ,
25682574r"`" :r'\combininggraveaccent' ,
@@ -2577,6 +2583,11 @@ def c_over_c(self, s, loc, toks):
25772583
25782584_wide_accents = set (r"widehat widetilde widebar" .split ())
25792585
2586+ # make a lambda and call it to get the namespace right
2587+ _snowflake = (lambda am : [p for p in tex2uni if
2588+ any (p .startswith (a )and a != p for a in am )]
2589+ ) (set (_accent_map ))
2590+
25802591def accent (self ,s ,loc ,toks ):
25812592assert (len (toks )== 1 )
25822593state = self .get_state ()