OpenACS

Background: before this change, ad_return_url encoded always the query

variables but not the URL path. This mixed result is complex to handle

to achieve ex-post a proper encoding. The function has a flag

"-urlencode", which is nowhere used in OpenACS. Other functions like

e.g. export_vars, or pretty_link return per default as well the

encoded URL. "ad_return_url" has a new flag "-path_encode=false" to

obtain the previous behavior (similar to the other mentioned

functions).

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