refact(modif) single $prefix for tokens

Author: ankostis

graphtik/modifier.py

@@ -97,8 +97,8 @@
 7001000: (       "%(dep)s",                  "'%(dep)s'(^)",                 "implicit"),
 7011000: (       "%(dep)s",                  "'%(dep)s'(^?)",                "implicit"),
 
-7000010: (       "$%(dep)s$",                "'%(dep)s'($)",                 "token"),
-7010010: (       "$%(dep)s$",                "'%(dep)s'($?)",                "token"),
+7000010: (       "$%(dep)s",                "'%(dep)s'($)",                 "token"),
+7010010: (       "$%(dep)s",                "'%(dep)s'($?)",                "token"),
 #SFXED
 7000011: ("sfxed('%(dep)s', %(sfx)s)", "sfxed(%(acs)s'%(dep)s', %(sfx)s)",           "sfxed"),
 7100011: ("sfxed('%(dep)s', %(sfx)s)", "sfxed(%(acs)s'%(dep)s'(>%(kw)s), %(sfx)s)",  "sfxed"),

test/test_modifier.py

@@ -64,8 +64,8 @@ def test_serialize_modifier(ser_method):
         (lambda: modify("/d/"), "/d/"),
         (lambda: modify("/d", jsonp=False), "/d"),
         (lambda: modify("/d/", jsonp=False), "/d/"),
-        (lambda: token("e"), "$e$"),
-        (lambda: token("e", optional=1), "$e$"),
+        (lambda: token("e"), "$e"),
+        (lambda: token("e", optional=1), "$e"),
         (lambda: sfxed("f", "a", "b"), "sfxed('f', 'a', 'b')"),
         (lambda: sfxed("f", "ff", keyword="F"), "sfxed('f', 'ff')"),
         (lambda: sfxed("f", "ff", optional=1, keyword="F"), "sfxed('f', 'ff')"),