Thanks for this helpful explanation, Jeremy. I made a link to your post in the toolmap under the Lists category.
On Thursday, June 28, 2018 at 10:18:10 AM UTC-5, Jeremy Ruston wrote: > > Hi Mohammad > > Some points about the list widget: > > * If the “filter” attribute is not present then a default of > “[!is[system]sort[title]]” is used > * If the list widget is completely empty (ie only whitespace between the > opening and closing tags), then it behaves as if the content were a DIV or > a SPAN containing a link to the current tiddler (it’s a DIV if the list > widget is in block mode, or a SPAN if it is in inline mode) > * If the “template” attribute is not present then the content of the list > widget will be used as the template, unless the widget is completely empty > in which case a default template is used > > It’s is itself more complex than we’d like, and interacts with some other > complex concepts (eg inline vs. block) and has some weird edge cases, and > bugs. > > A useful tool for exploring this stuff is to use the “Internals” plugin to > view the parse tree for each example. > > > <$list> > </$list> > > Returns nothing! > > > This one is a bug, I think. The parser is seeing it as a widget/element > containing a paragraph containing a new line, where it should be parsed the > same as the next example. > > > <$list> > > </$list> > > Returns all standard tiddlers (no system no shadow) every tiddler in a new > line > > > The blank content of the list widget is here correctly interpreted as the > absence of a template, so the default template is used as described above > > <$list></$list> > > Returns all tiddlers one after another with no line break! > > > This is the same as the previous example except the lack of a line break > after the opening tag has triggered inline mode. > > > - Example 4 > > > <$list filter="" > > > </$list> > > Returns nothing! > > > That’s because an empty filter returns no tiddlers. > > > - Example 4 > > > > <$list filter=<<NotExistedMacro>> > > > </$list> > > Returns all tiddlers no shadow no system tiddlers! > > > The missing macro makes the attribute act as if it were not present, and > so you’re getting the default filter again. > > Best wishes > > Jeremy. > > > > How does list widget work? > > > > -- > You received this message because you are subscribed to the Google Groups > "TiddlyWiki" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at https://groups.google.com/group/tiddlywiki. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tiddlywiki/0c50e62f-ab99-4e33-9896-b296654ea825%40googlegroups.com > > <https://groups.google.com/d/msgid/tiddlywiki/0c50e62f-ab99-4e33-9896-b296654ea825%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/5f1ada21-ae06-40ff-a659-9dcaa8ed877c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

