print - bug or feature - concatenated format strings in a print statement

[bdb112]

#   is the difference between
print(" %d,  %d, buckle my shoe" % (1,2))
#   and
print(" %d, " + " %d, buckle my shoe" % (1,2))
# a bug or a feature?

First output
... print(" %d " + " %d, buckle my shoe" % (1,2))

Second output
TypeError: not all arguments converted during string formatting

Version Info:
Python 2.5.1 (r251:54863, Oct 30 2007, 13:54:11)
[GCC 4.1.2 20070925 (Red Hat 4.1.2-33)] on linux2

also

Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit
(Intel)] on win32