On 23/05/2020 17:25:59, ro-esp <ro-esp@...> wrote:
On Sat, May 23, 2020 at 05:05 PM, Malcolm Austen wrote:
> Emails are (or should be) threaded on the basis of the threading headers,
> not on the basis of the subject line.
I disagree. If you change the subjectline, it's your intention to create a new thread.
I argue the converse. If you want to start a new topic, you should compose a new message. It should be permissible to correct a typo in the subject line without starting a new topic.