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✏️ Editing: page-KNOWN-ISSUES.ri

U:RDoc::TopLevel[	i�I"KNOWN-ISSUES:ETcRDoc::Parser::Simpleo:RDoc::Markup::Document:@parts[S:RDoc::Markup::Heading:
leveli:	textI"(Known issues with Rack and ECMA-262;To:RDoc::Markup::BlankLine�o:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;[o:RDoc::Markup::Paragraph;[I"RMany users expect the escape() function defined in ECMA-262 to be compatible ;TI"Pwith URI. Confusion is especially strong because the documentation for the ;TI"Nescape function includes a reference to the URI specifications. ECMA-262 ;TI"Lescape is not however a URI escape function, it is a javascript escape ;TI"Tfunction, and is not fully compatible. Most notably, for characters outside of ;TI"Dthe BMP. Users should use the more correct encodeURI functions.;T@
S;	;
i;I"+Known issues with Rack and Web servers;T@
o;
;;;[o;;0;[o;;[I"ELighttpd sets wrong SCRIPT_NAME and PATH_INFO if you mount your ;TI"EFastCGI app at "/".  This can be fixed by using this middleware:;T@
o:RDoc::Markup::Verbatim;[I"!class LighttpdScriptNameFix
;TI"  def initialize(app)
;TI"    @app = app
;TI"  end
;TI"
;TI"  def call(env)
;TI"L    env["PATH_INFO"] = env["SCRIPT_NAME"].to_s + env["PATH_INFO"].to_s
;TI"!    env["SCRIPT_NAME"] = ""
;TI"    @app.call(env)
;TI"  end
;TI"	end
;T:@format0o;;[I"8Of course, use this only when your app runs at "/".;T@
o;;[I"LSince lighttpd 1.4.23, you also can use the "fix-root-scriptname" flag ;TI"in fastcgi.server.;T@
S;	;
i;I"0Known conflicts regarding parameter parsing;T@
o;;[I"O* Many users have differing opinions about parameter parsing. The current
;TI"P  parameter parsers in Rack are based on a combination of the HTTP and CGI
;TI"S  specs, and are intended to round-trip encoding and decoding. There are some
;TI"A  choices that may be viewed as deficiencies, specifically:
;TI"U   - Rack does not create implicit arrays for multiple instances of a parameter
;TI"5   - Rack returns nil when a value is not given
;TI">   - Rack does not support multi-type keys in parameters
;TI"R  These issues or choices, will not be fixed before 2.0, if at all. They are
;TI"R  very major breaking changes. Users are free to write alternative parameter
;TI"Q  parsers, and their own Request and Response wrappers. Moreover, users are
;TI"  encouraged to do so.;T;0:
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