Tab completion for :vnew and :tabnew

[alvaroaleman]

Is your feature request related to a problem? Please describe.

I am used to open files in Vim by going to command mode, then entering :vn or :tabn, then pressing tab to have the command completed. After that, I usually enter one or two letters of the filename, press tab again and vim shows all matches. I can cycle through them and press enter to open the file. If the file is a directory, vim completes with a trailing / and if I press tab again, it lets me cycle through the files in that directory.

Describe the solution you'd like

• <escape>:vn<tab> being completed to the :vnew command
• <escape>:tabn<tab> being completed to the :tabnew command
• Pressing tab after the :tabnew or :vnew command letting me cycle through the files in the current directory
• Pressing tab after the :tabnew $LETTER or :vnew $LETTER command where $LETTER can be an arbitrary number of letters that are valid as part of a filename letting me cycle through the available files or directories that start with $LETTER, pressing then <enter> opens the file

Describe alternatives you've considered
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Additional context
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[J-Fields]

Closing this issue as autocomplete support was added a while back.