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Document and export `declare-opaque-header!'

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* module/web/http.scm (declare-opaque-header!): Add docstring. New export.
* doc/ref/web.texi (HTTP): Add documentation.
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Ian Price 2012-05-08 00:18:59 +01:00 • committed by Andy Wingo
parent 312e79f8d5
commit 64ead01db7
2 changed files with 8 additions and 0 deletions
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5
doc/ref/web.texi
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@ -398,6 +398,11 @@ HTTP stack like this:
(display (inet-ntoa ip) port)))
@end example
@deffn {Scheme Procedure} declare-opaque-header! name
A specialised version of @code{declare-header!} for the case in which
you want a header's value to be returned/written ``as-is''.
@end deffn
@deffn {Scheme Procedure} valid-header? sym val
Return a true value iff @var{val} is a valid Scheme value for the header
with name @var{sym}.

3
module/web/http.scm
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@ -42,6 +42,7 @@
header->string
declare-header!
declare-opaque-header!
known-header?
header-parser
header-validator
@ -1145,6 +1146,8 @@ phrase\"."
;; emacs: (put 'declare-header! 'scheme-indent-function 1)
;; emacs: (put 'declare-opaque!-header 'scheme-indent-function 1)
(define (declare-opaque-header! name)
"Declares a given header as \"opaque\", meaning that its value is not
treated specially, and is just returned as a plain string."
(declare-header! name
parse-opaque-string validate-opaque-string write-opaque-string))