But if I click on my username there, it gives an error screen.
But you're saying you managed to edit pages before?
I am certain that I have edited pages before e.g. https://wiki.postgresql.org/images/f/f6/PGXC_Scalability_PGOpen2012.pdf was added by me. Your suspicion that I might have used a different user name might be right, but I am not able to spot another account. I use ashutosh.bapat@enterprisedb.com for all my postgresql related accounts, and it seems that it's linked with ashutosh_bapat. But my other email id is ashutosh.bapat@gmail.com. I tried resetting password using this second email id and it said that I would receive an email for verification, which I have never received. So, I am assuming that it's not linked with any user id on postgresql.org. Is there any other way to find out, if I have accounts linked with any of those email ids?
I am not able to see edit history of above mentioned pdf. It might reveal the user name that created it.
I wonder what changed - it looks to me like underscores are simply not supported on the Wiki, and I'm pretty sure nobody changed anything recently.
Can somebody else with some more wiki-fu than me comment on that?
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Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company