@@ -2450,7 +2450,9 @@ can be found at <https://github.com/citation-style-language/styles>. See also
24502450Citations go inside square brackets and are separated by semicolons.
24512451Each citation must have a key, composed of '@' + the citation
24522452identifier from the database, and may optionally have a prefix,
2453−a locator, and a suffix. Here are some examples:
2453+a locator, and a suffix. The citation key must begin with a letter
2454+or `_`, and may contain alphanumerics, `_`, and internal punctuation
2455+characters (`:.#$%&-+?<>~/`). Here are some examples:
24542456
24552457 Blah blah [see @doe99, pp. 33-35; also @smith04, ch. 1].
24562458