Snippet variables not detected after double backslash

[maxlorenz]

In a LaTeX snippet, it is not possible to declare a variable after a double backslash.
Example:

    "section": {
        "prefix": "sec",
        "body": [
            "\\${1:sub}section${2:*}{${3:label}}",
            "\n\t$4"
        ],
        "description": "Start a subsection"
    }

expands to

    \${1:sub}section*{label}

[alexdima]

@maxlorenz

Since this is JSON, "\\${1:sub}section${2:*}{${3:label}}" becomes \${1:sub}section${2:*}{${3:label}} at runtime. We need to have a way for a snippet to insert an actual $ and that is \$.

The following does the right thing:

    "section": {
        "prefix": "sec",
        "body": [
            "\\\\${1:sub}section${2:*}{${3:label}}",
            "\n\t$4"
        ],
        "description": "Start a subsection"
    }