Fixing last remaining doctests.

src/sage/algebras/clifford_algebra.py

@@ -524,8 +524,8 @@ def __init__(self, Q, names, category=None):
             sage: Q = QuadraticForm(ZZ, 3, [1,2,3,4,5,6])
             sage: Cl = CliffordAlgebra(Q)
             sage: Cl.category()
-            Category of finite dimensional super algebras with basis
-             over (euclidean domains and infinite enumerated sets)
+            Category of finite dimensional super algebras with basis over
+             (euclidean domains and infinite enumerated sets and metric spaces)
             sage: TestSuite(Cl).run()
 
         TESTS:

src/sage/categories/morphism.pyx

@@ -162,7 +162,10 @@ cdef class Morphism(Map):
             sage: R.<t> = ZZ[]
             sage: f = R.hom([t**2])
             sage: f.category()
-            Category of endsets of unital magmas and right modules over (euclidean domains and infinite enumerated sets) and left modules over (euclidean domains and infinite enumerated sets)
+            Category of endsets of unital magmas and right modules over
+             (euclidean domains and infinite enumerated sets and metric spaces)
+             and left modules over (euclidean domains
+             and infinite enumerated sets and metric spaces)
 
             sage: K = CyclotomicField(12)
             sage: L = CyclotomicField(132)

src/sage/misc/functional.py

@@ -124,7 +124,7 @@ def category(x):
 
         sage: V = VectorSpace(QQ,3)
         sage: category(V)
-        Category of vector spaces with basis over quotient fields
+        Category of vector spaces with basis over (quotient fields and metric spaces)
     """
     try:
         return x.category()

src/sage/rings/rational_field.py

@@ -154,7 +154,7 @@ def __init__(self):
             sage: Q.is_field()
             True
             sage: Q.category()
-            Category of quotient fields
+            Join of Category of quotient fields and Category of metric spaces
             sage: Q.zeta()
             -1