Differences in official source packages

The source code for CCP4 6.2.0 available as differs depending on the time it was downloaded. Here is a summary: (dates are given as YYYYMMDD and denote the download day (CET), not the file-creation day):

20110720 to 20110722

20110722 to 20110907

20110907 to 20110921

20110921 to 20110923