Syntax 1, syntax 2, syntax 3, …
When you work on a complicated syntax, periodically save the current version under a different name.
To add, this way of versioning
looks better, clearly depicts work progress and is arranged alphabetically in the list of files. Compare with this one:
- PrepareData 01.03.2013.sps
- FINAL data preparation syntax.sps
- !!!!VERY FINAL .sps