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This is incorrect. From RFC2046:

4.1.1.  Representation of Line Breaks

   The canonical form of any MIME "text" subtype MUST always represent a
   line break as a CRLF sequence.  Similarly, any occurrence of CRLF in
   MIME "text" MUST represent a line break.  Use of CR and LF outside of
   line break sequences is also forbidden.

   This rule applies regardless of format or character set or sets
   involved.

A web server should be converting any text/* content type from the server's native newlines to a proper "network" CRLF pair. This is what the browser should always expect to get back from a web server, and user agents should convert this to its own native newline format when saving the file (if a conversion is necessary).

In theory, the onus of newline conversions should always be on the mechanisms that push data from one environment to another. FTP has the "ASCII" protocol and commands to determine architecture type. HTTP and SMTP rely on proper implementation of MIME (as noted above). If the implementations are done properly, newlines should never be an issue. Obviously this isn't a perfect world, but I think at least some resources should be used to address the root problem here (poor implementations of the standards or users not doing something correctly) instead of just writing convoluted newline handling mechanisms.


In reply to Re: Re: Re: Handling Mac, Unix, Win/DOS newlines at readtime... by Fastolfe
in thread Handling Mac, Unix, Win/DOS newlines at readtime... by strredwolf

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