Thank you. That helps me understand. I'm not sure how long I'll remember
it, but I think I understand the differences.
On Thursday, March 9, 2017 at 2:58:01 PM UTC-5, Eric Shulman wrote:
>
> I don't understand why I have to set a variable for the filter in order to
>> get it to work. How do I put the default value into the macro definition?
>>
>
> The syntax you used for the datafilter parameter default value in your
> first code example is not correct. You wrote:
> \define grid(datafilter:"[tag[<<currentTiddler>>]]", list:"[list[]]")
>
> However, the correct syntax for using a variable within the filter should
> be:
> [tag<currentTiddler>]
>
> The outer square brackets delimit the tag filter expression
> The inner delimiters depend on the type of parameter being supplied to the
> tag filter
> * [tag[sometag]]
> is for *literal* tag parameter values
> * [tag<somevar>]
> uses the value stored in a variable as the tag parameter
> * [tag{sometiddler!!somefield}]
> uses the value stored in a tiddler field. (note: you can omit the
> "sometiddler" portion of the tag parameter to refer to a field in the
> current tiddler OR omit the "!!somefield" portion to refer to the "text"
> field by default)
>
> Hope that helps...
>
> enjoy,
> -e
>
> Eric Shulman
> TiddlyTools: Small Tools for Big Ideas (tm)
> InsideTiddlyWiki: The Missing Manuals
>
>
>
>
>
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