printlist(): Replaced the guts with a call to textwrap. Yay!

Lib/test/regrtest.py

@@ -464,21 +464,10 @@ def printlist(x, width=70, indent=4):
     begin each line.
     """
 
-    line = ' ' * indent
-    for one in map(str, x):
-        w = len(line) + len(one)
-        if line[-1:] == ' ':
-            pad = ''
-        else:
-            pad = ' '
-            w += 1
-        if w > width:
-            print line
-            line = ' ' * indent + one
-        else:
-            line += pad + one
-    if len(line) > indent:
-        print line
+    from textwrap import fill
+    blanks = ' ' * indent
+    print fill(' '.join(map(str, x)), width,
+               initial_indent=blanks, subsequent_indent=blanks)
 
 class _Set:
     def __init__(self, seq=[]):