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put-file: clarify filter and extension handling on Windows

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This commit is contained in:
Matthew Flatt 2015-12-22 10:58:52 -07:00
parent d170a8ff31
commit 65fc1c4e8f
1 changed files with 4 additions and 4 deletions
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8
gui-doc/scribblings/gui/dialog-funcs.scrbl
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@ -118,11 +118,11 @@ If @racket[directory] is not @racket[#f], it is used as the starting
prefix. prefix.
On Windows, if @racket[extension] is not @racket[#f], the returned path On Windows, if @racket[extension] is not @racket[#f], the returned path
will get a default extension if the user does not supply one. If will get a default extension if the user does not supply one. The extension is derived
@racket[extension] is the empty string, then the extension is derived
from the user's @racket[filters] choice if the corresponding pattern is from the user's @racket[filters] choice if the corresponding pattern is
of the form @racket[(string-append "*." extension)]; if the pattern is of the form @racket[(string-append "*." _an-extension)], and the first such
@racket["*.*"], then no default extension is added. Finally, if pattern is used if the choice has multiple patterns. If the user's choice has the pattern
@racket["*.*"] and @racket[extension] is the empty string, then no default extension is added. Finally, if
@racket[extension] is any string other than the empty string, @racket[extension] is any string other than the empty string,
@racket[extension] is used as the default extension when the user's @racket[extension] is used as the default extension when the user's
@racket[filters] choice has the pattern @racket["*.*"]. Meanwhile, the @racket[filters] choice has the pattern @racket["*.*"]. Meanwhile, the