> On 30.11.2019, at 11:05 , Alain Matthes <[hidden email]> wrote:
> The command « set master file » does not seem to work anymore.
> I may have forgotten something.
> How should I use this command?
you are correct. The command does not work on macOS Catalina. The problem is that “Set Master File” uses CocoaDialog. Unfortunately CocoaDialog is still a 32-bit executable and the latest version of macOS does not support 32-bit software any more. For more information, please take a look here: https://github.com/textmate/bundle-support.tmbundle/issues/31.
If you want to set a master file I would recommend using a `.tm_properties` properties file for now. For example, if your main `.tex` file is called `Master.tex`, then create a new document with the content