How can I use strings with whitespaces in RewriteRules ENV flag?
There is only one ugly solution: You have to surround the complete flag argument by quotation marks (“[E=…]”). Notice: The argument to quote here is not the argument to the E-flag, it is the argument of the Apache config file parser, i.e., the third argument of the RewriteRule here. So you have to write “[E=any text with whitespaces]”.
