>>150
こんなのをusercommand.jsに追加でどう？
```
"open-external": {
"label": "外部ブラウザで開く(&E)",
"type": "emit",
"icon_set": "external-link",
"attach": "tab.board",
"command": "uri:open-external",
"params": [
'${OBJECT.location}'
]
},
```