Hi Terenor,

I think this falls into the category of global search and replace, which is 
a feature that's on the roadmap.

But Stephan Hradek has an example called RenameTags at 
http://tw5magick.tiddlyspot.com/.


> developing plugins is daunting. Is there a step by step guide with 
pointers to prerequisites for those with no prior experience?

I don't think there is, but there ought to be. I think that 
http://www.tiddlywiki.com/dev ought to contain a reasonably detailed 
explanation of how the code actually works – not to the level of individual 
lines, but documenting the main classes and functions and principles of 
use, i.e. the API. These can be deduced by reading the code, but that's 
time-consuming.

I recently wrote a plugin containing a widget for generating railroad 
diagrams. This was my first experience at writing a TiddlyWiki plugin, 
although I was undoubtedly helped by the fact that I work as a developer 
and have tinkered with JavaScript before. The railroad plugin is a wrapper 
around an independent JavaScript library, so I started by finding another 
plugin that's like that. I chose the KaTeX plugin, took a copy of it, and 
stripped out all the KaTeX-specific stuff, and this left me with the bare 
bones of a plugin that did nothing. I then began to add simple things to 
the skeleton to see what would work and what wouldn't, and what ought to go 
where.

– æ

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