About obsolete permalinks: 

Surely a variant of the relink plugin could help maintain bread-crumbs for 
obsolete links:

Whenever relink does its thing, have it offer to create a 
dictionary-tiddler entry pairing old-name and new-name; then have a 
filter-condition ViewTemplate element show up at the bottom of old-name 
tiddlers, where the new-name tiddler is transcluded (or linked-to) -- 
perhaps pre-pending a note explaining that the old "Bombay" is now called 
"Mumbai"...

At first, I was worried about the case where I change tiddler title from 
"Bombay" to "Mumbai" and then later generate a different one called 
"Bombay" -- but there, too, I might be interested in seeing such a 
ViewTemplate addition! After all, if I ever had shared a permalink to 
#Bombay, some signposts around the changing namescape could be useful!

-Springer

On Tuesday, July 20, 2021 at 9:09:07 AM UTC-4 [email protected] wrote:

> This is such an awesome thread.
>
> On Tuesday, July 20, 2021 at 9:04:07 AM UTC-3 Soren Bjornstad wrote:
>
>> *Walt,* the thing that bugs me most about the “immutable title/ID” idea 
>> is that unless your notes are also going to be immutable, the *content* of 
>> a note can still change so much as to make the reference not effective 
>> anymore. So I don't see much point in bothering, as long as you can avoid 
>> having links break. Presumably the thing you were looking for won't move so 
>> far away from the updated note that you'll be unable to find it, anyway 
>> (probably not more than one link away).
>>
>>
> Hence why I have an awful lot of love for relink.  I would have a rough 
> time without it.  No broken (internal links) with Relink.
>  
>
>> It is a good point on external links breaking, though. It would be cool 
>> if you could set up redirects within TW, so that you could at least have an 
>> incoming link to an old title go somewhere somewhat relevant. I guess you 
>> could just leave the old title with a link to the new one, but without an 
>> obvious way to distinguish redirect tiddlers from other tiddlers, they 
>> would probably get in your way and make you think they were the “real” 
>> tiddlers all the time.
>>
>>
> Link rot.  Redirects is a possibility.  I much prefer UID fields and 
> providing links to a Tiddler in some TiddlyWiki with a "UID" reference.  
> (related thread: A Prototype of UID's for stable permalinks 
> <https://groups.google.com/g/tiddlywiki/c/l2Mwu3pOAXw/m/fuvWrwpDBwAJ>)
>
> So if I want to provide folk with a link to a specific tiddler in some 
> TiddlyWiki, in a way that allows me to change the tiddler title willy-nilly 
> without breaking the link, I would give folk this:
>
>  
> https://tiddlywiki-programming.neocities.org/CJ_TiddlyWikiProgramming.html#:[uid[2]]
>  
> <https://tiddlywiki-programming.neocities.org/CJ_TiddlyWikiProgramming.html#:[uid[2]]>
>
> For some reason, I prefer this than setting up redirects.  
>
>

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