LOCK refresh on indirectly locked resource

It's some time ago that somebody asked how servers implement this today. 
I finally got around to write a test case (attached JScript), including

1) using a no-tag list If header,
2) using a tagged If header, specifying the lock root and
2) using a tagged If header, specifying the indirectly locked resource.


Results:

IIS5: does not support depth infinity locks on collections

SAP EP 5.x: allows all combinations

Xythos Webfile Server (current version from www.sharemation.com): allows 
all combinations, but seems to loose the timeout upon lock refresh

Apache2.0.50/mod_dav: *crashes*, see 
<http://nagoya.apache.org/bugzilla/show_bug.cgi?id=31183>


So I'd propose to wait what the Apache/mod_dav developers have to say. 
Right now it seems that servers do not seem to care.


Best regards, Julian


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