DOC: format inline code in Markdown, within docstring

and rephrase.

dd/cudd.pyx

@@ -2162,7 +2162,8 @@ cpdef count_nodes(functions):
     Sharing is taken into account.
 
     @type functions: `list` of `Function`
-    @rtype: int
+    @rtype:
+        `int`
     """
     cdef DdNode **x
     cdef Function f

dd/dddmp.py

@@ -108,10 +108,11 @@ def t_error(self, t):
     def build(self, debug=False, debuglog=None, **kwargs):
         """Create a lexer.
 
-        @param kwargs: Same arguments as C{{ply.lex.lex}}:
+        @param kwargs:
+            Same arguments as `ply.lex.lex`:
 
-          - except for C{{module}} (fixed to C{{self}})
-          - C{{debuglog}} defaults to the logger C{{"{logger}"}}.
+            - except for `module` (fixed to `self`)
+            - `debuglog` defaults to `logger`.
         """
         if debug and debuglog is None:
             debuglog = logging.getLogger(LEX_LOG)

dd/mdd.py

@@ -170,7 +170,8 @@ def find_or_add(self, i, *nodes):
         """Return node at level `i` with successors in `nodes`.
 
         @param i: level in `range(len(vars))`
-        @type i: int
+        @type i:
+            `int`
         """
         if not (0 <= i < len(self.vars)):
             raise ValueError(i)