document new name of `--cycle-once`

.Cm quit

will cause

.Nm

to quit when trying to advance past the last image in the slide show.

to quit when trying to advance past the last image in the slide show. This is

the behavior of the obsolete

.Cm --cycle-once

option.

.

.Pp

.

     --auto-rotate         Rotate images according to Exif info (if compiled with exif=1)

 -^, --title TITLE         Set window title (see FORMAT SPECIFIERS)

 -D, --slideshow-delay NUM Set delay between automatically changing slides

     --on-last-slide quit  Exit after one loop through the slide show

     --on-last-slide quit  Exit after one loop through the slide show (old --cycle-once)

     --on-last-slide hold  Stop at both ends of the filelist

 -R, --reload NUM          Reload images after NUM seconds

 -k, --keep-http           Keep local copies when viewing HTTP/FTP files