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Enhance description lists #462

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Enhance description lists #462

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digitalmoksha
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@digitalmoksha digitalmoksha commented Sep 2, 2024

Work in progress. Enhancing description lists.

  • Add support for multiple description definitions

    ```
    foo
    
    : bar
    : baz
    ```
    
  • Allow for the definition to follow after the term without a blank line

    ```
    foo
    : bar
    ```
    
  • Allow a definition list to be either "tight" or "loose", same as a normal list. Related to Description lists with tight and loose syntax #327

    Waffling on this one. "Tight" and "loose" lists add complexity, and is not well understood by users. Most implementations I've seen do support the distinction. However not supporting it means styling the list would be easier and less complex. 🤷

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github-actions bot commented Sep 2, 2024

Command Mean [ms] Min [ms] Max [ms] Relative
./bench.sh ./comrak-235fbef 322.9 ± 1.7 319.5 325.8 2.94 ± 0.02
./bench.sh ./comrak-main 319.9 ± 1.4 317.1 323.6 2.91 ± 0.02
./bench.sh ./pulldown-cmark 109.8 ± 0.6 108.9 110.9 1.00
./bench.sh ./cmark-gfm 118.0 ± 0.8 116.5 119.8 1.08 ± 0.01
./bench.sh ./markdown-it 475.5 ± 1.3 472.4 477.9 4.33 ± 0.03

Run on Mon Sep 2 17:20:02 UTC 2024

Comment on lines +1856 to +1875
// ATTEMPT 1
// reopen_ast_nodes(last_child);
//
// let details =
// self.add_child(last_child, NodeValue::DescriptionDetails, self.first_nonspace + 1);
// *container = details;
//
// true

// ATTEMPT 2
// let parent = last_child.parent().unwrap();
// let item = parent.last_child().unwrap();
//
// reopen_ast_nodes(item);
//
// let details =
// self.add_child(item, NodeValue::DescriptionDetails, self.first_nonspace + 1);
// *container = details;
//
// true
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@kivikakk I was wondering if you could take a look at this.

I realized that when supporting multiple definitions, the second DescriptionDetails gets added as an entirely new DescriptionItem, rather than being added as a child to the existing DescriptionItem.

But both my attempts to do this resulted in the assert!(ast.open); in finalize_borrowed tripping.

Sample input

foo
: bar
: one

I thought maybe it's the shenanigans I'm doing at line 1760, the None case, but using the following input (with blanks lines) bypasses that and it still asserts.

foo

: bar

: one

Even with re-opening the ast node, it's not working. I'm missing some magic incantation. 🤔

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