The search engine finds relevant images in the gallery,
based on their title, keywords and other internal information.
Search targets are treated as individual words - please note
that you cannot use double quotes to mark a complete phrase.
The case of the words given does not matter, but spelling has to
Punctuation is ignored, so that "anti-lock", "antilock" and
"anti lock" all have the same effect.
Common (Western European) accented characters are treated as
their plain letter equivalents so that, for example,
"pâté" is handled the same as "pate".
All other non-ASCII characters such as the more exotic accented
letters and special symbols are ignored.