Template:cheatsheet-key
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Key
Based on Perl's standard quantifiers:
bold {1} | MUST be present exactly once |
italic* | OPTIONAL, and MAY occur more than once |
+ | MUST be present, and MAY occur more than once |
? | OPTIONAL, but MUST NOT occur more than once |
[square brackets] | list of common values |
(parentheses) | data format |
# | comment |
! | awaiting documentation |