Checkboxes fail to show when list numbers don't start from 1

[Kusaku]

As the title suggests, including screenshots.

Steps to reproduce

so, once you make a list and that list doesn’t start with the number 1. the checkboxes won’t show in read-mode.

Expected result

checkboxes will only be visible correctly in edit mode, but not in read-mode.

Actual result

what has happened before still happens, nothing has changed.

Environment

SYSTEM INFO:
Obsidian version: 1.12.7
Installer version: 1.7.7
Operating system: Windows 11 Home 10.0.22631
Login status: logged in
Language: en
Catalyst license: none
Insider build toggle: off
Live preview: on
Base theme: adapt to system
Community theme: none
Snippets enabled: 0
Restricted mode: off
Plugins installed: 2
Plugins enabled: 1
1: Kanban v2.0.51
RECOMMENDATIONS:
Community plugins: for bugs, please first try updating all your plugins to latest. If still not fixed, please try to make the issue happen in the Sandbox Vault or disable community plugins.

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Additional information

to not screenshot the entire page, the screenshot in which the checkboxes aren’t showing correctly is the screenshot in the read-mode with numbers not starting from 1. if I change that to 1 the issue will disappear.
the 2nd screenshot is the edit mode where it does show correctly regardles of numbering.

[dawni]

You can get it to work by adding a blank line above the non-1 list-line.

Like this:

- [ ] Matte 3b

	6. Ekonomi
		- [ ] 6.1
		- [ ] 6.2
		- [ ] 6.3
		- [ ] 6.4
- [ ] Matte 3c

explanation

The issue begins not at the “6.1” checkbox but at the line above it. Notice in your Editing screenshot how the “6” (in 6. Ekonomi) is a faded color. But in your Reading screenshot, that “6” is the regular text color.

This is because “6. Ekonomi” is being rendered not as its own list item but as text that’s part of the “Matte 3b” line above it. Hence the indented “6.1”–“6.4” lines below it are also plain text and also just part of the “Matte 3b” list line.

Adding the blank line turns “6. Ekonomi” into a nested list item, enabling the checkboxes below to become further nested list items.

You can paste your markdown at commonmark.js demo to see the same behavior outside of Obsidian: 6 and well as 6.1 through 6.4 are all really just part of the 3b item until you add the blank line.

Steps to take to see it in action at that link:

1. Paste the markdown I included above. (The checkboxes render.)
2. Delete the blank line. (Everything collapses into one line.)
3. Change the 6 to a 1 in 6. Ekonomi. (The checkboxes render.)

also addressed at

Please consider rendering indented `- [ ]` as checkboxes

This is a much broader issue than checkbox items. According to commonmark, which we try to follow, neither of the below snippets makes a list item (either with 4 spaces or 1 tab). Text - Item Text - Item Same goes for numbered lists, and also by extension, todo lists. So really, a different FR should be opened, asking to break from markdown spec for this case.