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== Atomic Commit Convention ==
When using a revision control systems a common convention is to use small commits. These are sometimes referred to as atomic commits as they (ideally) only affect a single aspect of the system. These atomic commits allow for greater understandability, less effort to
The greater understandability comes from the small size and focused nature of the commit. It is much easier to understand what is changed and reasoning behind the changes if you are only looking for one kind of change. This becomes especially important when making format changes to the source code. If format and functional changes are combined it becomes very difficult to identify useful changes. Imagine if the spacing in a file is changed from using tabs to three spaces every tab in the file will show as having been changed. This becomes critical if some functional changes are also made as a reviewer may simply not see the functional changes.<ref>{{cite book |first=Boisvert |last=Barney |title=Atomic Commits to Version Control |url=http://www.barneyb.com/barneyblog/2006/01/27/atomic-commits-to-version-control/}}</ref><ref>{{cite web |publisher=Conifer Systems |title=The Benefits of Small Commits |url=http://www.conifersystems.com/2008/11/05/the-benefits-of-small-commits/}}</ref>
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