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The bogus-image-options error is when an image is detected to use a non-existent option. For example in the code [[File:Example.jpg|foo|bar|baz]], "foo" and "bar" are bogus options, and "baz" shows up as the caption.

Help:Images has details on the supported image options, including a few notes about the quirky behavior of some of the parameters.

Known bugs in the Linter bogus file options detection:

  • task T215999 - Linter does not detect invalid "500px500px" or "left500px" as a bogus file option
  • task T216003 - Linter fails to detect multiple "upright" parameters as a bogus file option (in some cases)

In addition some other supported file options such as video and multi-page formats (e.g. pdf) are also checked.

Common errors include:

  • Repeated options, e.g. [[File:Example.jpg|thumb|right|thumb]][[File:Example.jpg|thumb|right]]
  • Conflicting options, e.g. [[File:Example.jpg|thumb|right|150px|left]][[File:Example.jpg|thumb|right|150px]]
  • Blank options, e.g. [[File:Example.jpg|thumb||right]][[File:Example.jpg|thumb|right]]
  • Two captions, e.g. [[File:Example.jpg|thumb|right|Intended alt text|Caption text]][[File:Example.jpg|thumb|right|alt=Intended alt text|Caption text]]
  • A plain number instead of a px value, e.g. [[File:Example.jpg|thumb|right|225|Caption text]][[File:Example.jpg|thumb|right|225px|Caption text]]
  • Typos in options, e.g. [[File:Example.jpg|thumb|fight|Caption text]][[File:Example.jpg|thumb|right|Caption text]]


The following tools can help fix bogus image options: