nipy/nibabel — pull request #219 by matthew-brett (2013-12-09 17:20:04+00:00)
Title: MRG: remove _write_header method

The write_header method in the image classes was only being used to write zero
bytes into a file where the data was not exactly at the end of the header. Use
the seek_tell function for this, and remove the _write_header method from all
classes.