Xah Talk Show 2019-12-01 emacs lisp, what is metadata, command to show/delete metadata

topics talked:

• metadata is info embeded in photos. some of the info may be private, such as the location and time you took the photo
• Emacs: Set Color Theme
• Emacs: Xah Dired Mode (xah-dired.el)
• Command to Delete EXIF Metadata in Image Files
• emacs modify xah-dired-show-metadata so it prints to its own buffer.

xah_talk_show_2019-12-01.txt