wrong syntax highlighting for multiline shell strings in markdown code snippets

[mcandre]

Does this issue occur when all extensions are disabled?: Yes/No

• VS Code Version: 1.85.1
• OS Version: macOS Ventura

Steps to Reproduce:

1. Edit the following Markdown file in VSCode: example.md.
2. Render a preview tab.

Screenshot:

The string highlighting for that first TASK_NAMES declaration multiline string block appears wonky. Everything from the opening dollar parenthesis for a subprocess ($() up to the awk statement delimiting semicolon (;) is white.

Suspect some underlying linguist sh parser is faulty. It may not be adhering to the POSIX sh language spec.

[RedCMD]

interestingly the code syntax highlighting works correctly

TASK_NAMES="$(
    awk '/^[a-zA-Z0-9_]+\(\)/ {
        split($0, a, /\(\)/);
        print a[1]
    }' "$0" |
        sort
)"

help() {
    echo 'Usage: ./build [<task> [<task> [<task>...]]]

Tasks:
'

    for TASK in $TASK_NAMES; do
        echo "* $TASK"
    done
}

its only the preview thats broken

[mjbvz]

Duplicate of #91279