@@ -1378,7 +1378,7 @@ isBlockCommand s =
1379treatAsBlock :: Set.Set Text
1379treatAsBlock :: Set.Set Text
1380treatAsBlock = Set.fromList
1380treatAsBlock = Set.fromList
1381− [ "let"
1381+ [ "let", "def"
1382 , "newcommand", "renewcommand"
1382 , "newcommand", "renewcommand"
1383 , "newenvironment", "renewenvironment"
1383 , "newenvironment", "renewenvironment"
1384 , "providecommand", "provideenvironment"
1384 , "providecommand", "provideenvironment"