To: cards-ideas
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Subject: tentative tasks
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Here are some things that I think need to be done, to get searching and
categories happening.

Searching:

- Write a simple search by location, using the location field, e.g. `melbourne.vic.au.'
- Write a plain-text search, which goes through the cards one by one
  looking for a string.
- Write a boolean search, which allows AND, OR and NOT combinations of strings.
- Support some simple regexps in the search. (?)

Categories:

- Go through the existing cards and figure out how to categorize each
  service offered or needed, in a logical, regular way, without
  introducing any structure that isn't actually there in reality.
  (for example, don't confuse independent dimensions like colour and
  type - don't put them in a single hierarchy)
- Ask other people to check that your category system makes sense!
- ...