[MC-228640] /help takes in extra arguments, and can even replace the output with some of these arguments

Expected Result:
Running

/help tellraw blah

should either error or ignore the extra argument

Actual Result:
Running

/help tellraw blah

/tellraw blah <message>

instead of:

/tellraw <targets> <message>

Linked issues

Duplicate of MC-124693.

Thank you for your report!
We're tracking this issue in MC-124693, so this ticket is being resolved and linked as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.

Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki