E.g. the DNS system is case-insensitive, and IIRC web-server developers are requested to make their filenames case-insensitive BUT case preserving - e.g. so that URL queries that contain data e.g. from a form are not transformed?Ditto IIRC the protocol field in a URL/URI?I remember a time when many webservers were case sensitive, but that has definitely changed - but this could easily just be fo