diff --git a/spacy/_ml.py b/spacy/_ml.py
index 76d8fd678..8adacdfda 100644
--- a/spacy/_ml.py
+++ b/spacy/_ml.py
@@ -382,7 +382,8 @@ def fine_tune(embedding, combine=None):
             model.d_mix[1] += flat_vecs.dot(flat_grad.T).sum()
 
             bp_vecs([d_o * model.mix[1] for d_o in d_output], sgd=sgd)
-            sgd(model._mem.weights, model._mem.gradient, key=model.id)
+            if sgd is not None:
+                sgd(model._mem.weights, model._mem.gradient, key=model.id)
             return [d_o * model.mix[0] for d_o in d_output]
         return output, fine_tune_bwd
 
diff --git a/spacy/cli/download.py b/spacy/cli/download.py
index 675ae8cee..28ae07865 100644
--- a/spacy/cli/download.py
+++ b/spacy/cli/download.py
@@ -24,28 +24,29 @@ def download(cmd, model, direct=False):
     with version.
     """
     if direct:
-        download_model('{m}/{m}.tar.gz'.format(m=model))
+        dl = download_model('{m}/{m}.tar.gz'.format(m=model))
     else:
         shortcuts = get_json(about.__shortcuts__, "available shortcuts")
         model_name = shortcuts.get(model, model)
         compatibility = get_compatibility()
         version = get_version(model_name, compatibility)
-        download_model('{m}-{v}/{m}-{v}.tar.gz'.format(m=model_name, v=version))
-        try:
-            # Get package path here because link uses
-            # pip.get_installed_distributions() to check if model is a package,
-            # which fails if model was just installed via subprocess
-            package_path = get_package_path(model_name)
-            link(None, model_name, model, force=True, model_path=package_path)
-        except:
-            # Dirty, but since spacy.download and the auto-linking is mostly
-            # a convenience wrapper, it's best to show a success message and
-            # loading instructions, even if linking fails.
-            prints("Creating a shortcut link for 'en' didn't work (maybe you "
-                   "don't have admin permissions?), but you can still load "
-                   "the model via its full package name:",
-                   "nlp = spacy.load('%s')" % model_name,
-                   title="Download successful")
+        dl = download_model('{m}-{v}/{m}-{v}.tar.gz'.format(m=model_name, v=version))
+        if dl == 0:
+            try:
+                # Get package path here because link uses
+                # pip.get_installed_distributions() to check if model is a package,
+                # which fails if model was just installed via subprocess
+                package_path = get_package_path(model_name)
+                link(None, model_name, model, force=True, model_path=package_path)
+            except:
+                # Dirty, but since spacy.download and the auto-linking is mostly
+                # a convenience wrapper, it's best to show a success message and
+                # loading instructions, even if linking fails.
+                prints("Creating a shortcut link for 'en' didn't work (maybe you "
+                    "don't have admin permissions?), but you can still load "
+                    "the model via its full package name:",
+                    "nlp = spacy.load('%s')" % model_name,
+                    title="Download successful")
 
 
 def get_json(url, desc):
@@ -77,6 +78,6 @@ def get_version(model, comp):
 
 def download_model(filename):
     download_url = about.__download_url__ + '/' + filename
-    subprocess.call([sys.executable, '-m',
+    return subprocess.call([sys.executable, '-m',
         'pip', 'install', '--no-cache-dir', download_url],
         env=os.environ.copy())
diff --git a/spacy/lang/lex_attrs.py b/spacy/lang/lex_attrs.py
index 4c3284b1e..d4beebd26 100644
--- a/spacy/lang/lex_attrs.py
+++ b/spacy/lang/lex_attrs.py
@@ -137,6 +137,7 @@ LEX_ATTRS = {
     attrs.IS_UPPER: lambda string: string.isupper(),
     attrs.IS_STOP: lambda string: False,
     attrs.IS_OOV: lambda string: True,
+    attrs.PROB: lambda string: -20.,
     attrs.LIKE_EMAIL: like_email,
     attrs.LIKE_NUM: like_num,
     attrs.IS_PUNCT: is_punct,
diff --git a/spacy/lexeme.pyx b/spacy/lexeme.pyx
index bcd84d184..f0f5c6398 100644
--- a/spacy/lexeme.pyx
+++ b/spacy/lexeme.pyx
@@ -171,6 +171,8 @@ cdef class Lexeme:
     property rank:
         def __get__(self):
             return self.c.id
+        def __set__(self, value):
+            self.c.id = value
 
     property sentiment:
         def __get__(self):
diff --git a/spacy/syntax/arc_eager.pyx b/spacy/syntax/arc_eager.pyx
index aab350d76..cdf17857b 100644
--- a/spacy/syntax/arc_eager.pyx
+++ b/spacy/syntax/arc_eager.pyx
@@ -20,7 +20,7 @@ from .transition_system cimport do_func_t, get_cost_func_t
 from .transition_system cimport move_cost_func_t, label_cost_func_t
 from ..gold cimport GoldParse
 from ..gold cimport GoldParseC
-from ..attrs cimport TAG, HEAD, DEP, ENT_IOB, ENT_TYPE, IS_SPACE
+from ..attrs cimport TAG, HEAD, DEP, ENT_IOB, ENT_TYPE, IS_SPACE, IS_PUNCT
 from ..lexeme cimport Lexeme
 from ..structs cimport TokenC
 
@@ -249,7 +249,13 @@ cdef class Break:
         elif st.stack_depth() < 1:
             return False
         else:
-            return True
+            prev = st.B_(0)-1
+            if Lexeme.c_check_flag(prev.lex, IS_PUNCT):
+                return True
+            elif Lexeme.c_check_flag(prev.lex, IS_SPACE):
+                return True
+            else:
+                return False
 
     @staticmethod
     cdef int transition(StateC* st, attr_t label) nogil: