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Description of problem:

When the python code provided below is scrolled up so that the
line 7 disappears, the rest of the code is colored as a string.

Version-Release number of selected component (if applicable):
vim-enhanced-7.2.411-1.8.el6.x86_64

Steps to Reproduce:

1. vim bug.py
2. 7<ctrl-e>
3. <ctrl-l>
  
Python code:
$ cat bug.py
class Class(object)

    def __init__(value):
        """
        Heading

        Accepts the following formats (case does not matter):

            one
            two
            three
        """

        # Some short comment
        for i range(100):
            print i

This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unable to address this
request at this time.

Red Hat invites you to ask your support representative to
propose this request, if appropriate, in the next release of
Red Hat Enterprise Linux.

I've tested this with vim-7.4.629-5.el6 and this is fixed