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add examples to read-language docs

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Stephen Chang 2012-06-25 19:45:35 -04:00
parent cb88590dfb
commit 91ea9ab309
1 changed files with 6 additions and 1 deletions
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7
collects/scribblings/reference/read.scrbl
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@ -135,9 +135,14 @@ function (if any) exported by the same module. The result of the
The function produced by @racketidfont{get-info} reflects information
about the expected syntax of the input stream. The first argument to the
function serves as a key on such information; acceptable keys and the
interpretation of results is up to external tools, such as DrRacket.
interpretation of results is up to external tools, such as DrRacket (see
@hyperlink["http://docs.racket-lang.org/tools/drracket_module-language-tools.html"]{module-language-tools}).
If no information is available for a given key, the result should be
the second argument.
@mz-examples[
((read-language (open-input-string "#lang algol60")) 'color-lexer #f)
((read-language (open-input-string "#lang algol60")) 'something-else #f)
]
The @racketidfont{get-info} function itself is applied to five
arguments: the input port being read, the module path from which the