list-links-draggable macro defect (blank caption)

[c pa]

I notice that the updated list-links-draggable macro shows a blank entry in the case where the tiddler referred to has a caption field but the field is empty.

title: test

text: <$macrocall $name=list-links-draggable tiddler=<<currentTiddler>> field="flow-list">>

flow-list: this that the other

title: that

caption:

Displays:

============

* this

*                                   <-- entry for that is blank

* the

* other

[c pa]

Ahhhhh... I see that this is the transclude docs:

The TranscludeWidget treats any contained content as a fallback if the target of the transclusion is not defined (ie a missing tiddler or a missing field).

I had been under the impression that $transclude was an empty fallback rather than a missing fallback. So I need to change a bunch of stuff to use $set with emptyValue rather than $transclude for the content

[Mohammad Rahmani]

This is a bug! and I think it has been already raised!

In $:/core/macros/list

In list-links-draggable macro

Change

<$link to={{!!title}}>
<$transclude field="caption" >
<$view field="title"/>
</$transclude>
</$link>

to

<$link to={{!!title}}>
<$transclude field={{{ [<currentTiddler>has[caption]then[caption]else[title]] }}} >
<$view field="title"/>
</$transclude>
</$link>

Best wishes

Mohammad

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