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Add margin-note relating quote-source-file to __FILE__ and __file__.

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This commit is contained in:
Tony Garnock-Jones 2016-09-23 14:48:08 -04:00
parent c19848f990
commit 5ec147ee40
1 changed files with 8 additions and 0 deletions
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8
pkgs/racket-doc/syntax/scribblings/srcloc.scrbl
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@ -289,6 +289,14 @@ or the PLaneT cache.
@defform*[[(quote-character-span) (quote-character-span form)]] @defform*[[(quote-character-span) (quote-character-span form)]]
)]{ )]{
@margin-note{@index['("__FILE__" "__file__")]{You can achieve an
effect similar to @tt{__FILE__} from
@hyperlink["http://perldoc.perl.org/functions/__FILE__.html"]{Perl} or
@hyperlink["http://ruby-doc.org/docs/keywords/1.9/Object.html#method-i-__FILE__"]{Ruby}
and @tt{__file__} from
@hyperlink["https://docs.python.org/3/reference/import.html#__file__"]{Python}
by using @racket[quote-source-file].}}
Quote various fields of the source location of @racket[form], or of Quote various fields of the source location of @racket[form], or of
the whole macro application if no @racket[form] is given. the whole macro application if no @racket[form] is given.