Syntax Highlighting lost after using ListingBlock inside an OpenBlock

[jamesongithub]

Description

Syntax Highlighting lost after using ListingBlock inside an OpenBlock - syntax highlighting works until the openblock, then everything after is no longer highlighted. But the preview seems to render it fine. Note the screenshots below.

System Information

You can find the VSCode and OS information under Help -> About. To check the extension information go to the extension browser (CTRL+SHIFT+X, Mac CMD+SHIFT+X).

AscciDoc plugin v2.8.7

To Reproduce

Steps to reproduce the issue:

Sample code

[TIP]
--
myTIP
[source,bash]
----
echo '123'
----
--

after open block

Screenshots & Files

code side

expecting [source,bash] to be highlighted here

preview side

Additional Context

Add any other context about the problem here.

[ggrossetie]

Probably a parser bug in: https://github.com/asciidoctor/asciidoctor-vscode/blob/master/syntaxes/Asciidoctor.json