src/sage/misc: Fix some errors shown by tox -e rst

src/sage/misc/abstract_method.py

@@ -182,7 +182,7 @@ def __repr__(self):
         return "<" + ("optional " if self._optional else "") + "abstract method %s at %s>" % (self.__name__, hex(id(self._f)))
 
     def _sage_src_lines_(self):
-        """
+        r"""
         Returns the source code location for the wrapped function.
 
         EXAMPLES::

src/sage/misc/inline_fortran.py

@@ -47,7 +47,7 @@ def _import_module_from_path(name, path=None):
 
 
 def _import_module_from_path_impl(name, path):
-    """Implement ``_import_module_from_path for Python 3.4+."""
+    """Implement ``_import_module_from_path`` for Python 3.4+."""
 
     # This is remarkably tricky to do right, considering that the new
     # importlib is supposed to make direct interaction with the import

src/sage/misc/sageinspect.py

@@ -886,7 +886,7 @@ def visit_UnaryOp(self, node):
 
 
 def _grep_first_pair_of_parentheses(s):
-    """
+    r"""
     Return the first matching pair of parentheses in a code string.
 
     INPUT:

src/sage/misc/superseded.py

@@ -383,7 +383,7 @@ def __init__(self, trac_number, func, module, instance=None, unbound=None):
 
     @lazy_attribute
     def __name__(self):
-        """
+        r"""
         TESTS::
 
             sage: from sage.misc.superseded import deprecated_function_alias

src/sage/misc/viewer.py

@@ -161,7 +161,7 @@ def _set(self, app=None, TYPE='browser'):
 
         - ``app`` -- ``None`` or a string, the program to use
         - ``TYPE`` -- a string, must be in the list ``VIEWERS`` defined in
-          :module:`sage.misc.viewer`.  Default 'browser'.
+          :mod:`sage.misc.viewer`.  Default 'browser'.
 
         EXAMPLES::