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Subweb and topic names - conflicts, view URLs, and links
If your TWiki installation has the hierarchical webs feature turned on,
you face subtle issues about subweb (web inside a web) and topic names.
If you are unfamiliar with subwebs, please read ManagingWebs#Hierarchical_Webs
TWiki 5.1.2 has introduced measures to take care of those issues.
As such, in this topic "in the past" means 5.1.1 and earler; "now" means 5.1.2 and later.
Avoiding conflicts of subweb and topic names
If the topic
exists, the subweb
must not exist.
If they co-exist, when the topic AaAa.BbBb is moved, all topics of the
subweb lose all attachments.
This is because
topic's attachments are stored in the directory
subweb's topics have their attachments in the directory
topic is renamed to
directory is renamed to
, which causes
subweb to lose its all attachments.
In the past there was no mechanism to avoid clash of subweb and topic names.
But now you cannot create a subweb whose name clashes with an existing topic name and vice versa.
Renaming of topics and webs have name clash detection and avoidance logics.
Let's say there is a subweb named
In the past http://twiki.example.com/cgi-bin/view/AaAa/DdDd led to the "This topic does not exist" page.
But now it causes redirecttion to http://twiki.example.com/cgi-bin/view/AaAa/DdDd/WebHome.
subweb may co-exist as a legcy from an old version.
In that case, http://twiki.example.com/cgi-bin/view/AaAa/BbBb shows AaAa.BbBb topic while http://twiki.example.com/cgi-bin/view/AaAa/BbBb/ shows the home page of the
Links on topics
become links to the specified topics.
is actually a subweb name rather than a topic name, those links point to
of the subweb.
This may sound strange to a long term TWiki user.
If a subweb
exists, on the topic
become links to
You can link to a subweb in a relative manner.
The old behavior was to make a link to create the "missing topic"
This is wrong for sure.
And they have to become links - otherwise the label in
If so, there is no other link destination than
of the subweb.
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