auto comment closing html tag vs code 5c

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2, run the global command Preferences: Configure Language Specific Settings (command id: workbench.action.configureLanguageBasedSettings) from the Command Palette (Ctrl+Shift+P) which opens the language picker. Select the language you want, which then opens your user settings.json with the language entry where you can add applicable settings.
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6"emmet.preferences":{
7    "filter.commentAfter": "<!-- /[#ID][.CLASS] -->",
8  },
9  "emmet.syntaxProfiles": {
10  // Enable XHTML dialect for HTML syntax
11  // “html”: “xhtml”
12    "html" : {
13      "filters" :"html, c"
14      }
15  },