cgi explanation reademe layout

README.md

@@ -78,26 +78,32 @@
 [rfc 3875](https://www.rfc-editor.org/rfc/rfc3875)
 
 [3.1: server responsabilities](https://www.rfc-editor.org/rfc/rfc3875#section-3.1)
+
 - The server [...] receives the request from the client
 - selects a CGI script to handle the request
 - converts the client request to a CGI request
 - executes the script and converts the CGI response into a response for the client
 
 [3.3: script uri](https://www.rfc-editor.org/rfc/rfc3875#section-3.3)
+
 - the 'Script-URI' [...] MUST have the property that if the client had accessed this URI instead, then the script would have been executed
 
 [4: how the server prepare the cgi requests](https://www.rfc-editor.org/rfc/rfc3875#section-4)
+
 - the cgi receives 2 differents set of informations :
 	- the request meta-variables (in UNIX, by env variables)
 	- and the message-body
 
 [4.1: request meta-variables](https://www.rfc-editor.org/rfc/rfc3875#section-4.1)
+
 - a header field that spans multiple lines MUST be merged onto a single line
 
 [4.2: request message-body](https://www.rfc-editor.org/rfc/rfc3875#section-4.2)
+
 - unless defined otherwise, the script access request data by reading stdin
 
 [6: how the response from the script is returned to the server](https://www.rfc-editor.org/rfc/rfc3875#section-6)
+
 - The response comprises 2 parts, separated by a blank line :
 	- a message-header
 	- and a message-body
@@ -105,6 +111,7 @@
 - The body may be NULL
 
 [6.2: responses types](https://www.rfc-editor.org/rfc/rfc3875#section-6.2)
+
 - four types of responses :
 	- document response
 	- local redirect response
@@ -128,6 +135,7 @@
 	- the server must check the cgi-script output, and modifie it to comply with the protocol version
 
 [6.3: cgi header fields](https://www.rfc-editor.org/rfc/rfc3875#section-6.3)
+
 - whitespace is permitted between the ":" and the field-value
 - but not between the field-name and the ":"
 - the CGI script can set three differents fields :
@@ -158,11 +166,13 @@
 	- the server must resolve conflicts between script-header fields and themselves
 
 [6.3: cgi message body](https://www.rfc-editor.org/rfc/rfc3875#section-6.4)
+
 - the server must read it untill EOF
 - the server must not modify it, except to convert charset if needed
 
 [7 and 8: usefull informations about implementation and security](https://www.rfc-editor.org/rfc/rfc3875#section-7)
 
+#### questions :
 - le cgi-script doit renvoyer au moins un header suivit d'une ligne vide
 - il peut dans certains cas envoyer d'autres headers
 - le serveur doit verifier qu'il n'y a pas de doublons dans les headers