removed obsolete wiki pages

wiki/EWSGI-Open-Questions.md

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-layout: default
-title: EWSGI Open Questions
-base_url: ../../
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-## STRING_32, UTF-8, ... ? ##
-Berend raised the point that using STRING_32 is consuming 4 times the space used for STRING_8.
-And CPU is cheaper than memory, so we should try to use as less memory as possible.
-And then for Berend, STRING_32 is not the solution.
-
-Most of the data are just STRING_8 in CGI
-so let's list the various request data
-
-- **query_parameter** (from the query string  ?foo=bar&extra=blabla )
-   in this case, I think the name can be url-encoded, and obviously the value too
-   I guess it makes sense to url-decode them
-   but on the other hand, we could just keep them url-encoded (as they are), and it is up to the application to url-decode them if needed.
-   Of course, we should provide facilities to url-decode those strings.
-
-- **form_data_parameter** (from the POST method)
-   quite often, it is same kind of content that `parameters' 
-   but .. here this might depends on the encoding for multi-parts encoding.
-
-- **meta_variable** (from the request itself ... CGI meta variables..)
-   I am wondering about unicode domain name ... 
-
-- **input data** ... 
-   I think this is up to the application
-
-... to be continued ...