trac 34168: more markup fixes for categories

src/sage/categories/fields.py

@@ -76,7 +76,7 @@ def __contains__(self, x):
 
         This implementation will not be needed anymore once every
         field in Sage will be properly declared in the category
-        :class:`Fields`.
+        :class:`Fields() <Fields>`.
 
         Caveat: this should eventually be fixed::
 

src/sage/categories/hecke_modules.py

@@ -109,7 +109,8 @@ def _Hom_(self, Y, category):
             INPUT:
 
             - ``Y`` -- an Hecke module
-            - ``category`` -- a subcategory of :class:`HeckeModules` or None
+            - ``category`` -- a subcategory of :class:`HeckeModules()
+              <HeckeModules>` or ``None``
 
             The sole purpose of this method is to construct the homset
             as a :class:`~sage.modular.hecke.homspace.HeckeModuleHomspace`. If
@@ -143,7 +144,6 @@ def _Hom_(self, Y, category):
                 Traceback (most recent call last):
                 ...
                 TypeError: Category of Hecke modules over Finite Field of size 5 is not a subcategory of Category of Hecke modules over Rational Field
-
             """
             # TODO: double check that it's the correct HeckeModules category below:
             if category is not None and not category.is_subcategory(HeckeModules(self.base_ring())):

src/sage/categories/integral_domains.py

@@ -58,7 +58,7 @@ def __contains__(self, x):
 
         This implementation will not be needed anymore once every
         field in Sage will be properly declared in the category
-        :class:`IntegralDomains`.
+        :class:`IntegralDomains() <IntegralDomains>`.
         """
         try:
             return self._contains_helper(x) or x.is_integral_domain()

src/sage/categories/rings.py

@@ -386,12 +386,13 @@ def _Hom_(self, Y, category):
             INPUT:
 
             - ``Y`` -- a ring
-            - ``category`` -- a subcategory of :class:`Rings` or None
+            - ``category`` -- a subcategory of :class:`Rings()
+              <Rings>` or ``None``
 
             The sole purpose of this method is to construct the homset
             as a :class:`~sage.rings.homset.RingHomset`. If
             ``category`` is specified and is not a subcategory of
-            :class:`Rings`, a ``TypeError`` is raised instead
+            :class:`Rings() <Rings>`, a ``TypeError`` is raised instead
 
             This method is not meant to be called directly. Please use
             :func:`sage.categories.homset.Hom` instead.
@@ -412,7 +413,6 @@ def _Hom_(self, Y, category):
                 <class 'sage.rings.number_field.homset.CyclotomicFieldHomset_with_category'>
 
                 sage: TestSuite(Hom(QQ, QQ, category = Rings())).run() # indirect doctest
-
             """
             if category is not None and not category.is_subcategory(Rings()):
                 raise TypeError("%s is not a subcategory of Rings()"%category)

src/sage/categories/unique_factorization_domains.py

@@ -74,7 +74,7 @@ def __contains__(self, x):
 
         This implementation will not be needed anymore once every
         field in Sage will be properly declared in the category
-        :class:`UniqueFactorizationDomains`.
+        :class:`UniqueFactorizationDomains() <UniqueFactorizationDomains>`.
         """
         try:
             return self._contains_helper(x) or x.is_unique_factorization_domain()