Load fprettify.el and M-x fprettify-run.
You can format current-buffer by fprettify.
You can customize settings of format by customize-group fprettify.
mechakucha.f90 is file for test `fprettify`.
Run fprettify to whole buffer contents.
If warning occur, buffer *fprettify<stderr>* open in other window (window is term of emacs).
If error occur, process stop and also open buffer.
Run fprettify from beginning of line of region-beginning to beginning of line of region-end.
Indentation does not work.
Note that it format contents between !&< !&> if these are NOT in region.
Also note that error occur if only !&> exists, but !&< does not exist in region.
Create fprettify config file by customize-variables.