Removed tab characters and some very minor review tweaks.

src/doc/en/thematic_tutorials/tutorial-objects-and-classes.rst

@@ -296,13 +296,13 @@ Some particular actions modify the data structure of ``el``::
         sage: type(e)
         <type 'sage.rings.integer.Integer'>
         sage: e.__dict__
-	dict_proxy({'__module__': 'sage.categories.euclidean_domains',
-	'__doc__': None, '_reduction': (<built-in function getattr>, (Category
-	of euclidean domains, 'element_class')), 'gcd':
-	<sage.structure.element.NamedBinopMethod object at 0x...>,
-	'_sage_src_lines_': <staticmethod object at 0x...>})
+        dict_proxy({'__module__': 'sage.categories.euclidean_domains',
+        '__doc__': None, '_reduction': (<built-in function getattr>, (Category
+        of euclidean domains, 'element_class')), 'gcd':
+        <sage.structure.element.NamedBinopMethod object at 0x...>,
+        '_sage_src_lines_': <staticmethod object at 0x...>})
         sage: e.__dict__.keys()
-	['__module__', '__doc__', '_reduction', 'gcd', '_sage_src_lines_']
+        ['__module__', '__doc__', '_reduction', 'gcd', '_sage_src_lines_']
 
         sage: id4 = SymmetricGroup(4).one()
         sage: type(id4)

src/sage/categories/euclidean_domains.py

@@ -62,21 +62,21 @@ def gcd(self, other):
 
             INPUT:
 
-                - ``other`` -- an element in the same ring as ``self``
+            - ``other`` -- an element in the same ring as ``self``
 
             ALGORITHM:
 
-            Algorithm 3.2.1 in [Coh1996].
+            Algorithm 3.2.1 in [Coh1996]_.
 
             REFERENCES:
 
-            .. [Coh1996] Henri Cohen. A Course in Computational Algebraic Number Theory. Springer, 1996.
+            .. [Coh1996] Henri Cohen. *A Course in Computational Algebraic
+               Number Theory*. Springer, 1996.
 
             EXAMPLES::
 
                 sage: EuclideanDomains().ElementMethods().gcd(6,4)
                 2
-
             """
             A = self
             B = other
@@ -85,3 +85,4 @@ def gcd(self, other):
                 A = B
                 B = R
             return A
+

src/sage/rings/polynomial/polynomial_element_generic.py

@@ -640,7 +640,7 @@ def gcd(self, other):
 
         INPUT:
 
-            - ``other`` -- a polynomial defined over the same ring as ``self``
+        - ``other`` -- a polynomial defined over the same ring as ``self``
 
         EXAMPLES::
 

src/sage/rings/polynomial/polynomial_modn_dense_ntl.pyx

@@ -1756,7 +1756,7 @@ cdef class Polynomial_dense_mod_p(Polynomial_dense_mod_n):
 
         INPUT:
 
-            - ``other`` -- a polynomial defined over the same ring as ``self``
+        - ``other`` -- a polynomial defined over the same ring as ``self``
 
         EXAMPLES::
 

src/sage/rings/rational.pyx

@@ -67,7 +67,7 @@ from sage.libs.pari.pari_instance cimport PariInstance
 from integer_ring import ZZ
 
 from sage.structure.element cimport Element, RingElement, ModuleElement
-from sage.structure.element import bin_op, coerce_binop
+from sage.structure.element import bin_op
 from sage.categories.morphism cimport Morphism
 from sage.categories.map cimport Map