On Thursday, February 16, 2017 at 9:12:42 PM UTC+1, Mat wrote:
>
>
> IMO this phrase is not easily understood. I'm wondering if the following
> is a clearer (and accurate) description:
>
> The TiddlerWidget <http://tiddlywiki.com/#TiddlerWidget> sets a title to
>> be the regarded as current tiddler
>> <http://tiddlywiki.com/#Current%20Tiddler> within the scope of the
>> TiddlerWidget.
>>
>
>
I'm sorry, but this doesn't make more sense. At least not for me. IMO we
can't explain it on one sentence.
currentTiddler is a *variable*, that is used by various core functions and
the UI, to show widgets, what's the current "scope" to work with.
So functions like {{!!tags}} which is the same as: <$/transclusion
<http://tiddlywiki.com/#TranscludeWidget>field=tags/> know what's the
default tiddler to use, if there is no tiddler=xxx parameter.
The list-widget would need to look like this: <$list filter="a b c"
variable=currentTiddler> ... scope ... </$list> everytime you use it. ...
This isn't convenient and very error prone. That's why there is a default
for many parameters, that widgets use. In the example, the list-widget
basically is a loop where currentTiddler is set to a, b and c
sequentially.
The tiddler widget does the same thing, without the loop. It sets
currentTddler within the scope.
<$tiddler tiddler=test> ... scope ... </$tiddler>
That's it.
-mario
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