BDFL pronouncements.

Got rid of ^L.

pep-0202.txt

@@ -5,14 +5,14 @@ Owner: tpeters@beopen.com (Tim Peters)
 Python-Version: 2.0
 Status: Incomplete
 
-
+
 Introduction
 
     This PEP describes a proposed syntactical extension to Python, list
     comprehensions. 
 
 
-
+
 The Proposed Solution
 
     It is proposed to allow conditional construction of list literals using
@@ -20,14 +20,14 @@ The Proposed Solution
     statements nest now.
     
 
-
+
 Rationale
 
     List comprehensions provide a more concise way to create lists in
     situations where map() and filter() and/or nested loops would currently
     be used.
 
-
+
 Examples
 
     >>> print [i for i in range(10)]
@@ -38,17 +38,17 @@ Examples
 
     >>> nums = [1,2,3,4]
     >>> fruit = ["Apples", "Peaches", "Pears", "Bananas"]
-    >>> print [i,f for i in nums for f in fruit]
+    >>> print [(i,f) for i in nums for f in fruit]
     [(1, 'Apples'), (1, 'Peaches'), (1, 'Pears'), (1, 'Bananas'),
      (2, 'Apples'), (2, 'Peaches'), (2, 'Pears'), (2, 'Bananas'),
      (3, 'Apples'), (3, 'Peaches'), (3, 'Pears'), (3, 'Bananas'),
      (4, 'Apples'), (4, 'Peaches'), (4, 'Pears'), (4, 'Bananas')]
-    >>> print [i,f for i in nums for f in fruit if f[0] == "P"]
+    >>> print [(i,f) for i in nums for f in fruit if f[0] == "P"]
     [(1, 'Peaches'), (1, 'Pears'),
      (2, 'Peaches'), (2, 'Pears'),
      (3, 'Peaches'), (3, 'Pears'),
      (4, 'Peaches'), (4, 'Pears')]
-    >>> print [i,f for i in nums for f in fruit if f[0] == "P" if i%2 == 1]
+    >>> print [(i,f) for i in nums for f in fruit if f[0] == "P" if i%2 == 1]
     [(1, 'Peaches'), (1, 'Pears'), (3, 'Peaches'), (3, 'Pears')]
     >>> def zip(*args):
     ...    return apply(map, (None,)+args)
@@ -56,7 +56,7 @@ Examples
     >>> print [i for i in zip(nums,fruit) if i[0]%2==0]
     [(2, 'Peaches'), (4, 'Bananas')]
 
-
+
 Reference Implementation
 
     Please refer to 
@@ -66,7 +66,20 @@ Reference Implementation
     for a patch that adds list comprehensions to Python.
 
 
-
+BDFL Pronouncements
+
+    Note: the BDFL refers to Guido van Rossum, Python's Benevolent
+    Dictator For Life.
+
+    - The syntax proposed above is the Right One.
+
+    - The form [x, y for ...] should be disallowed; one should be
+    required to write [(x, y) for ...].
+
+    - The form [... for x... for y...] nests, with the last index
+    varying fastest, just like nested for loops.
+
+
 Open Issues
 
     Syntax
@@ -113,7 +126,7 @@ Open Issues
         is.  It has not had a lot of exercise, though the patch does include
         a few test cases.
 
-
+
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