Ah, that explains it! It works as expected now. Many thanks!
I read about those triple quotes in "Macro Calls in WikiText", but I didn't
realise that formal parameters (is that the correct term for the $parameter$
construct?) in the macro definition could be enclosed as well, not just
parameter values (arguments?) on the "calling" side. Perhaps adding an example
of is to "Macro Definitions in WikiText" would be helpful?
Best regards, Linus

On sön, maj 31, 2015 at 2:48 em, [email protected]
<[email protected]> wrote:
Hi Linus
opens the tiddlers "Test1" and "Test2" as expected. However, when the filter is
parameterized as follows:

\define openTiddlers(tf)
<$button>
<$list filter=$tf$>
<$action-navigate $to={{!!title}}/>
</$list>
Open tiddlers
</$button>
\end

The $param$ and $(var)$ syntax results in a textual substitution that is
performed on the macro contents before it is parsed.
The problem here is that the textual substitution occurs literally, so if you
pass a value that contains spaces you'll get something like this:
<$list filter=one two three>
So, the solution is to include quotes:
<$list filter="""$tf$""">
By using triple double quotes we ensure that filters that contain single or
double double quotes will work correctly.
Best wishes
Jeremy.


<<openTiddlers "Test1 Test2">>

only "Test1" is opened. Variations such as <<openTiddlers "[[Test1]]
[[Test2]]">> and <<openTiddlers """Test1 Test2""">> don't work either.

I tried to add parentheses around the parameter:

\define openTiddlers(tf)
<$button>
<$list filter=$(tf)$>
<$action-navigate $to={{!!title}}/>
</$list>
Open tiddlers
</$button>
\end

which strangely enough opens the tiddler "true". (Why would "$(tf)$" evaluate to
"true"?) Even worse, when I try to use instead angle brackets:

\define openTiddlers(tf)
<$button>
<$list filter=<<tf>> >
<$action-navigate $to={{!!title}}/>
</$list>
Open tiddlers
</$button>
\end

seemingly every single tiddler in the Wiki is opened, and eventually it crashes
completely.

Could anyone give me a hint as to what I'm doing wrong? I would also greatly
appreciate an explanation of what is going on here, since I evidently don't
grasp the WikiText semantics yet.


Best regards,
Linus


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