switched to :: blocks

Author: chrisgorgo

nipype/pipeline/engine.py

@@ -1144,26 +1144,29 @@ def __init__(self, interface, name, iterables=None, itersource=None,
             Input field and list to iterate using the pipeline engine
             for example to iterate over different frac values in fsl.Bet()
             for a single field the input can be a tuple, otherwise a list
-            of tuples
-            node.iterables = ('frac',[0.5,0.6,0.7])
-            node.iterables = [('fwhm',[2,4]),('fieldx',[0.5,0.6,0.7])]
-
+            of tuples ::
+            
+                node.iterables = ('frac',[0.5,0.6,0.7])
+                node.iterables = [('fwhm',[2,4]),('fieldx',[0.5,0.6,0.7])]
+    
             If this node has an itersource, then the iterables values
             is a dictionary which maps an iterable source field value
-            to the target iterables field values, e.g.:
-            inputspec.iterables = ('images',['img1.nii', 'img2.nii']])
-            node.itersource = ('inputspec', ['frac'])
-            node.iterables = ('frac', {'img1.nii': [0.5, 0.6],
-                                       img2.nii': [0.6, 0.7]})
-
+            to the target iterables field values, e.g.: ::
+            
+                inputspec.iterables = ('images',['img1.nii', 'img2.nii']])
+                node.itersource = ('inputspec', ['frac'])
+                node.iterables = ('frac', {'img1.nii': [0.5, 0.6],
+                                           'img2.nii': [0.6, 0.7]})
+        
             If this node's synchronize flag is set, then an alternate
             form of the iterables is a [fields, values] list, where
             fields is the list of iterated fields and values is the
-            list of value tuples for the given fields, e.g.:
-            node.synchronize = True
-            node.iterables = [('frac', 'threshold'),
-                              [(0.5, True),
-                               (0.6, False)]]
+            list of value tuples for the given fields, e.g.: ::
+            
+                node.synchronize = True
+                node.iterables = [('frac', 'threshold'),
+                                  [(0.5, True),
+                                   (0.6, False)]]
 
         itersource: tuple
             The (name, fields) iterables source which specifies the name