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better guide entry on "comments"

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Closes PR 12367
This commit is contained in:
Matthew Flatt 2011-11-26 16:42:36 -07:00
parent 0772cdf2e3
commit 8d44010725
1 changed files with 3 additions and 1 deletions
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collects/scribblings/guide/simple-syntax.scrbl
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@ -18,10 +18,12 @@ In syntax specifications, text with a gray background, such as
@litchar{#lang}, represents literal text. Whitespace must appear
between such literals and nonterminals like @nonterm{id},
except that whitespace is not required before or after @litchar{(},
@litchar{)}, @litchar{[}, or @litchar{]}. A comment, which starts
@litchar{)}, @litchar{[}, or @litchar{]}. A @index['("comments")]{comment}, which starts
with @litchar{;} and runs until the end of the line, is treated the
same as whitespace.
@refdetails["parse-comment"]{different forms of comments}
Following the usual conventions, @kleenestar{} in a grammar means zero
or more repetitions of the preceding element, @kleeneplus{} means one
or more repetitions of the preceding element, and @BNF-group{} groups