The example is
here: https://groups.google.com/d/msg/tiddlywiki/wiLaJFAUbEk/NFIB_tTkBAAJ
On Tuesday, May 10, 2016 at 2:54:33 PM UTC-4, Evan Balster wrote:
>
> I would agree with that reasoning, generally. And yes, I'll certainly be
> out of luck if I have something that looks like a {{transclude}},
> <<variable>> or <$widget> in my code. For my uses I suspect all of these
> would be exceedingly unlikely.
>
> Mainly, I just find the default behavior -- *removing* formatting -- to
> be very unintuitive. That loss of information is only useful in certain
> situations where the user wants to *strip* formatting from a field.
>
> Where's the example you mention?
>
> – Evan
>
> On Tue, May 10, 2016 at 1:41 PM, Jeremy Ruston <[email protected]
> <javascript:>> wrote:
>
>> Hi Evan
>>
>> Interesting idea.
>>
>> When wikified to text, the //comment and <template parameter list> are
>> both identified as formatting and removed:
>>
>>
>> That’s why I added the \rules except pragma to my example.
>>
>> I think there’s a fundamental problem with incompatibilities between the
>> default wikitext syntax and the structures typically found in code.
>>
>> To explore this area properly, I’d be inclined to create a new parser for
>> `text/code-sample` (or something) that has a very small set of parse rules
>> chosen to avoid clashes.
>>
>> Best wishes
>>
>> Jeremy
>>
>> Inherit from this class
>> template MyClass
>> {
>> typedef T_Traits Traits;
>> }
>>
>>
>> Wikifying to HTML instead interprets these as formatting. (We can avoid
>> the extraneous <p> tags by parsing in inline mode)
>>
>> <em>Inherit from this class
>> template<typename T_Traits="true"> <a class="tc-tiddlylink
>> tc-tiddlylink-missing" href="#MyClass">MyClass</a>
>> {
>> typedef T_Traits Traits;
>> }</typename></em>
>>
>>
>> How do you suggest approaching problems like this without adding undue
>> complexity?
>>
>>
>> For a bit more perspective, attached is a tiddler I wrote last year to
>> generate C++-like pseudocode for digital filter difference equations up to
>> a certain level of complexity. (It includes an example rendering.) This
>> was rather difficult to make, and it's something I'd love to be able to do
>> more easily with the new wikify widget -- and ideally without having to
>> worry about the gotchas mentioned above.
>>
>>
>>
>>
>> On Tuesday, 10 May 2016 13:06:44 UTC-5, Jeremy Ruston wrote:
>>>
>>> Hi Evan
>>>
>>> Here's a bit of code demonstrating a place where the wikify widget's
>>> behavior is troublesome -- I attempt to render some SVG code, here sourced
>>> from a variable, and get nothing for reasons which might not be immediately
>>> clear.
>>>
>>>
>>> The problem here is that the `output` attribute of the wikify widget
>>> defaults to “text”, giving you the text content of the wikified output (in
>>> this case, there is no text output, of course). The fix is to add
>>> `output=“html”` to the wikify widget.
>>>
>>> Best wishes
>>>
>>> Jeremy.
>>>
>>>
>>>
>>> !!Without Backtick
>>>
>>> <$vars radius=40 svg="<svg width=100 height=100><circle cx=50 cy=50
>>> r=<<radius>>/></svg>">
>>> <$wikify name=svg_code text=<<svg>> >
>>> <<svg_code>>
>>> <pre><code><$text text=<<svg_code>>/></code></pre>
>>> </$wikify>
>>> </$vars>
>>>
>>> The work-around I discovered after some brief experimentation? Enclose
>>> the text in `code snippet` or ```code block``` markup as below, so that all
>>> content is unformatted. Unfortunately, this will prevent any enclosed
>>> transclusions, widgets or macros from expanding in the $wikify widget.
>>>
>>> !!With Backtick (macro call is not expanded)
>>>
>>> <$vars radius=40 svg="`<svg width=100 height=100><circle cx=50 cy=50
>>> r=<<radius>>/></svg>`">
>>> <$wikify name=svg_code text=<<svg>> >
>>> <<svg_code>>
>>> <pre><code><$text text=<<svg_code>>/></code></pre>
>>> </$wikify>
>>> </$vars>
>>>
>>> This is far from a show-stopping problem, but it felt worth pointing
>>> out. In the long run, I think that the nicest solution for wikifying with
>>> text output (especially code) would be a parsing mode which handles only
>>> variables, macros, widgets and transclusions. (I would also suggest that
>>> this mode preserve whitespace.)
>>>
>>> Anyway. Keep up the great work, Jeremy, and don't burn yourself out
>>> trying to hurry it out the door!
>>>
>>> -- Evan
>>>
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>> <_FilterMacros.json>
>>
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