message: Add completion for glsfmttext, glsfmtshort and glsfmtlong
  These commands are defined by gloassaries-extra.
diff: @@ -193,7 +193,7 @@ export class Completer implements vscode.CompletionItemProvider {
  provider = this.subImport
  break
  case 'glossary':
  - reg = /\\(gls(?:pl|text|first|plural|firstplural|name|symbol|desc|disp|user(?:i|ii|iii|iv|v|vi))?|Acr(?:long|full|short)?(?:pl)?|ac[slf]?p?)(?:\[[^[\]]*\])?{([^}]*)$/i
  + reg = /\\(gls(?:pl|text|first|fmt(?:text|short|long)|plural|firstplural|name|symbol|desc|disp|user(?:i|ii|iii|iv|v|vi))?|Acr(?:long|full|short)?(?:pl)?|ac[slf]?p?)(?:\[[^[\]]*\])?{([^}]*)$/i
  provider = this.glossary
  break
  default:
  