Hi j3d1H


The first thing to know is that is that one reason why there are shadow 
tiddlers is so that you safely CAN change them! You can undo the change by 
simply deleting it as this will restore the original automatically. 
(Actually the original was there all along, but when you made a 
modification to it, a new tid was created that takes precedence).

Now, of course, if you modify, say, the "delete tiddler" button into 
something that accidentally deletes *all *tiddlers... or if you make some 
other *programmatic* mistake, then that would of course hurt the system. 
But per se, modifying a shadow tiddler is no problem. 

The reason why *updates *can be problematic is that your modified version 
still has precedence after the update. The underlying shadow tid HAS been 
updated - but if it contains, say, some bug fixes or new features that 
other tiddlers rely on, these cannot kick in.

<:-)

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