suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix docs for `call-with-default-reading-parameterization'

Browse Source
This commit is contained in:
Matthew Flatt 2013-08-15 07:53:18 -06:00
parent 47a568c490
commit 6235da4e58
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
pkgs/racket-pkgs/racket-doc/scribblings/reference/read.scrbl
View File

@ -269,11 +269,16 @@ adjusts the parsing of S-expression input, where @racket[#f] implies the
default behavior. See @secref["readtables"] for more information.}
@defproc[(call-with-default-reading-parameterizations [thunk (-> any)])
@defproc[(call-with-default-reading-parameterization [thunk (-> any)])
any]{
Calls @racket[thunk] in @tech{tail position} of a @racket[parameterize]
to set all reader @tech{parameters} above to their default values.}
to set all reader @tech{parameters} above to their default values.
Using the default parameter values ensures consistency, and it also
provides safety when reading from untrusted sources, since the default
values disable evaluation of arbitrary code via @hash-lang[] or
@litchar{#reader}.}
@defparam[current-reader-guard proc (any/c . -> . any)]{
@ -343,4 +348,3 @@ except that special-comment values (see
The default port read handler itself can be customized through a
readtable; see @secref["readtables"] for more information.}