message: Only display the first argument of a command
diff: @@ -202,10 +202,16 @@ export class SectionNodeProvider implements vscode.TreeDataProvider<Section> {
  }
  } else if (commands.cmds.includes(node.name.replace(/\*$/, ''))) {
  // \notlabel{Show}{ShowAlso}
  - const caption = node.args.map(arg => {
  - const argContent = latexParser.stringify(arg)
  - return argContent.slice(1, argContent.length - 1)
  - }).join(', ') // -> Show, ShowAlso
  + // const caption = node.args.map(arg => {
  + // const argContent = latexParser.stringify(arg)
  + // return argContent.slice(1, argContent.length - 1)
  + // }).join(', ') // -> Show, ShowAlso
  + let caption = ''
  + const captionArg = node.args.find(latexParser.isGroup)
  + if (captionArg) {
  + caption = latexParser.stringify(captionArg)
  + caption = caption.slice(1, caption.length - 1)
  + }
  sections.push(new Section(
  SectionKind.Label,
  `#${node.name}: ${caption}`,
  