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Add NEWS entry about the name_dedupe column

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Calvin Montgomery 2017-03-13 20:33:06 -07:00
parent c721d67080
commit d62d5e0cab
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NEWS.md
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@ -1,3 +1,18 @@
2017-03-11
==========
Commit f8183bea1b37154d79db741ac2845adf282e7514 modifes the schema of the
`users` table to include a new column (`name_dedupe`) which has a `UNIQUE`
constraint. This column is populated with a modified version of the user's name
to prevent the registration of usernames which are bitwise distinct but visually
similar. 'l', 'L', and '1' are all mapped to '1'; 'o', 'O', and '0' are all
mapped to '0'; '\_' and '-' are mapped to '\_'. On first startup after
upgrading, the new column will be added and populated.
This replaces the earlier solution which was put in place to mitigate PR#489 but
was overly-restrictive since it wildcarded these characters against *any*
character, not just characters in the same group.
2017-03-03 2017-03-03
========== ==========