WP:LCM is extremely useful for finding errors that may be missed (some haven't been edited for years).

This user is a member of the Guild of Copy Editors.

This editor is a WikiGnome.

• Colons are indents.

• There is a link to a page's history from RC next to the page's name.

• I can copy and paste the vandalism templates with |pagename} to speak about that page.

• There are separate templates for test edits and blanking.

• The community portal has a list of pages needing copyediting.

• There is a button in the edit source box that adds the 4 tildes for you.

• You can find a user's contribs by going down the side bar. There is a button that says User Contributions.

• Alt+r takes the page to Recent Changes.

• Alt+e goes to edit source.

• I've gotten a welcome message from the French Wikipedia, even though I've never gone to it.
• I've seen accounts that look like IPs created, but when they check them, they're range blocked.

• How to contribute actual content.
• How to use the reference/citation tags.

• Shouldn't one wait until an account with a potentially promotional username edits to decide if that user should be blocked?
• What exactly is a softblock?