In TWiki.cfg, line 126 it says:
# ---- All Windows paths use '/' not '\' for simplicity.
then, on line 163 it says
# to work (e.g. using the 'Index' link). Must NOT use '/' in pathnames
# as this upsets cmd.exe - single '\' is OK using Perl single-quoted string.
Help....
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CrawfordCurrie - 22 Jan 2005
The latter comment relates to
ActivePerl when using
cmd.exe - the latter doesn't like '/' in paths, although the Windows API and almost all apps are happy with this.
ActivePerl is likely to become an unsupported platform very soon, due to Apache/ActivePerl bugs making it hard to get the new
DevelopBranch sandbox code working. The path of
TWikiOnWindows never did run smooth (pun intended

)...
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RichardDonkin - 26 Jan 2005
OK, thanks Richard. If you could check the sanity of the comments in the new TWiki.cfg (DEVELOP branch) I'd be grateful.
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CrawfordCurrie - 11 Feb 2005