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Changes between Initial Version and Version 1 of Ticket #3, comment 2

initial	v1
1		The ~~MUST NOT remove edited notes~~ requirement calls for an additional hidden field within which to keep a "flag" to prove the note or title has not been altered.
	1	The ''MUST NOT remove edited notes'' requirement calls for an additional hidden field within which to keep a "flag" to prove the note or title has not been altered.
2	2
3	3	We will hash those two fields in a repeatable way as that flag and compare the current hash value with the flag if we find it necessary to delete out-of-date notes. If it is identical we can delete the note without remorse. Otherwise, the user has edited the note and we cannot delete it automatically. However, in that case we should add " - Out-of-date" to the title!