ikiwiki 2.50 released with [[toggle text="these changes"]]
[[toggleable text="""
   * img: Support captions.
   * img: Don't generate empty title attributes, etc.
   * img: Allow setting defaults for class and id too.
   * ikiwiki-mass-rebuild: Make group list comparison more robust.
   * search: Work around xapian bug #486138 by only stemming locales
     in a whitelist."""]]