Additional doc fixes.

docs/source/doc/kaleidoscope/PythonLangImpl1.rst

@@ -267,55 +267,46 @@ ignore the captured match:
 
 .. code-block:: python
 
-    # Check if any of the regexes matched and yield
-    # the appropriate result.
-    if comment_match:
-      comment = comment_match.group(0)
-      string = string[len(comment):]
-   
-For numbers, we yield the captured match, converted to a float and
-tagged with the appropriate token type:
-   
-.. code-block:: python
+  # Check if any of the regexes matched and yield
+  # the appropriate result.
+  if comment_match:
+    comment = comment_match.group(0)
+    string = string[len(comment):]
 
-    elif number_match: 
-      number = number_match.group(0)
-      yield NumberToken(float(number))
-      string = string[len(number):]
+  # For numbers, we yield the captured match, converted to a float and
+  # tagged with the appropriate token type:
 
-The identifier case is a little more complex. We have to check for
-keywords to decide whether we have captured an identifier or a keyword:
+  elif number_match: 
+    number = number_match.group(0)
+    yield NumberToken(float(number))
+    string = string[len(number):]
 
-.. code-block:: python
+  # The identifier case is a little more complex. We have to check for
+  # keywords to decide whether we have captured an identifier or a keyword:
 
-    elif identifier_match:
-      identifier = identifier_match.group(0)
-      # Check if we matched a keyword.
-      if identifier == 'def':
-        yield DefToken()
-      elif identifier == 'extern':
-        yield ExternToken()
-      else: 
-        yield IdentifierToken(identifier)
-      string = string[len(identifier):]
+  elif identifier_match:
+    identifier = identifier_match.group(0)
+    # Check if we matched a keyword.
+    if identifier == 'def':
+      yield DefToken()
+    elif identifier == 'extern':
+      yield ExternToken()
+    else: 
+      yield IdentifierToken(identifier)
+    string = string[len(identifier):]
 
 
-Finally, if we haven't recognized a comment, a number of an identifier,
-we yield the current character as an "unknown character" token. This is
-used, for example, for operators like ``+`` or ``*``:
+  # Finally, if we haven't recognized a comment, a number of an identifier,
+  # we yield the current character as an "unknown character" token. This is
+  # used, for example, for operators like ``+`` or ``*``:
+
+  else: # Yield the unknown character.
+    yield CharacterToken(string[0])
+    string = string[1:]
 
 
-.. code-block:: python
-
-    else: # Yield the unknown character.
-      yield CharacterToken(string[0])
-      string = string[1:]
+  # Once we're done with the loop, we return a final end-of-file token:
 
 
-Once we're done with the loop, we return a final end-of-file token:
-
-
-.. code-block:: python
-
-    yield EOFToken()
+  yield EOFToken()