--- pygments/formatters/latex.py.orig	2011-07-22 22:55:29.000000000 +0300
+++ pygments/formatters/latex.py	2011-07-22 22:58:29.000000000 +0300
@@ -96,11 +96,9 @@
     \let\%(cp)s@ul=\relax \let\%(cp)s@tc=\relax%%
     \let\%(cp)s@bc=\relax \let\%(cp)s@ff=\relax}
 \def\%(cp)s@tok#1{\csname %(cp)s@tok@#1\endcsname}
-\def\%(cp)s@toks#1+{\ifx\relax#1\empty\else%%
-    \%(cp)s@tok{#1}\expandafter\%(cp)s@toks\fi}
 \def\%(cp)s@do#1{\%(cp)s@bc{\%(cp)s@tc{\%(cp)s@ul{%%
     \%(cp)s@it{\%(cp)s@bf{\%(cp)s@ff{#1}}}}}}}
-\def\%(cp)s#1#2{\%(cp)s@reset\%(cp)s@toks#1+\relax+\%(cp)s@do{#2}}
+\def\%(cp)s#1#2{\%(cp)s@reset\%(cp)s@tok{#1}\%(cp)s@do{#2}}

 %(styles)s

@@ -340,14 +338,11 @@
             else:
                 value = escape_tex(value, self.commandprefix)
             styles = []
-            while ttype is not Token:
-                try:
-                    styles.append(t2n[ttype])
-                except KeyError:
-                    # not in current style
-                    styles.append(_get_ttype_name(ttype))
-                ttype = ttype.parent
-            styleval = '+'.join(reversed(styles))
+            try:
+                styleval = t2n[ttype]
+            except KeyError:
+                # not in current style
+                styleval = _get_ttype_name(ttype)
             if styleval:
                 spl = value.split('\n')
                 for line in spl[:-1]: