Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/language_v1beta1.documents.html b/docs/dyn/language_v1beta1.documents.html
index 5f014c2..b49d4d4 100644
--- a/docs/dyn/language_v1beta1.documents.html
+++ b/docs/dyn/language_v1beta1.documents.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="language_v1beta1.html">Google Cloud Natural Language API</a> . <a href="language_v1beta1.documents.html">documents</a></h1>
+<h1><a href="language_v1beta1.html">Cloud Natural Language API</a> . <a href="language_v1beta1.documents.html">documents</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#analyzeEntities">analyzeEntities(body, x__xgafv=None)</a></code></p>
@@ -103,6 +103,7 @@
         #
         # Represents the input to API methods.
       "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
       "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
           # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
@@ -133,6 +134,12 @@
       { # Represents a phrase in the text that is a known entity, such as
           # a person, an organization, or location. The API associates information, such
           # as salience and mentions, with entities.
+        "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
+            #
+            # The salience score for an entity provides information about the
+            # importance or centrality of that entity to the entire document text.
+            # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
+            # salient.
         "mentions": [ # The mentions of this entity in the input document. The API currently
             # supports proper noun mentions.
           { # Represents a mention for an entity in the text. Currently, proper noun
@@ -145,12 +152,6 @@
             "type": "A String", # The type of the entity mention.
           },
         ],
-        "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
-            #
-            # The salience score for an entity provides information about the
-            # importance or centrality of that entity to the entire document text.
-            # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
-            # salient.
         "type": "A String", # The entity type.
         "name": "A String", # The representative name for the entity.
         "metadata": { # Metadata associated with the entity.
@@ -182,6 +183,7 @@
         #
         # Represents the input to API methods.
       "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
       "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
           # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
@@ -263,6 +265,7 @@
         #
         # Represents the input to API methods.
       "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
       "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
           # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
@@ -298,17 +301,17 @@
         },
         "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
           "case": "A String", # The grammatical case.
-          "reciprocity": "A String", # The grammatical reciprocity.
-          "mood": "A String", # The grammatical mood.
+          "aspect": "A String", # The grammatical aspect.
           "form": "A String", # The grammatical form.
           "gender": "A String", # The grammatical gender.
           "number": "A String", # The grammatical number.
           "person": "A String", # The grammatical person.
           "tag": "A String", # The part of speech tag.
           "tense": "A String", # The grammatical tense.
-          "aspect": "A String", # The grammatical aspect.
+          "reciprocity": "A String", # The grammatical reciprocity.
           "proper": "A String", # The grammatical properness.
           "voice": "A String", # The grammatical voice.
+          "mood": "A String", # The grammatical mood.
         },
         "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
           "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
@@ -371,6 +374,7 @@
         #
         # Represents the input to API methods.
       "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
       "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
           # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
@@ -408,17 +412,17 @@
         },
         "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
           "case": "A String", # The grammatical case.
-          "reciprocity": "A String", # The grammatical reciprocity.
-          "mood": "A String", # The grammatical mood.
+          "aspect": "A String", # The grammatical aspect.
           "form": "A String", # The grammatical form.
           "gender": "A String", # The grammatical gender.
           "number": "A String", # The grammatical number.
           "person": "A String", # The grammatical person.
           "tag": "A String", # The part of speech tag.
           "tense": "A String", # The grammatical tense.
-          "aspect": "A String", # The grammatical aspect.
+          "reciprocity": "A String", # The grammatical reciprocity.
           "proper": "A String", # The grammatical properness.
           "voice": "A String", # The grammatical voice.
+          "mood": "A String", # The grammatical mood.
         },
         "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
           "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
@@ -437,6 +441,12 @@
       { # Represents a phrase in the text that is a known entity, such as
           # a person, an organization, or location. The API associates information, such
           # as salience and mentions, with entities.
+        "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
+            #
+            # The salience score for an entity provides information about the
+            # importance or centrality of that entity to the entire document text.
+            # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
+            # salient.
         "mentions": [ # The mentions of this entity in the input document. The API currently
             # supports proper noun mentions.
           { # Represents a mention for an entity in the text. Currently, proper noun
@@ -449,12 +459,6 @@
             "type": "A String", # The type of the entity mention.
           },
         ],
-        "salience": 3.14, # The salience score associated with the entity in the [0, 1.0] range.
-            #
-            # The salience score for an entity provides information about the
-            # importance or centrality of that entity to the entire document text.
-            # Scores closer to 0 are less salient, while scores closer to 1.0 are highly
-            # salient.
         "type": "A String", # The entity type.
         "name": "A String", # The representative name for the entity.
         "metadata": { # Metadata associated with the entity.