I'm trying to remove the title of a track with `mp4box filename.mp4 -name 5=""` but that just keeps the existing title.

If I try to replace it with something else with `mp4box filename.mp4 -name 5="New Text"` I get "`New Text / Old Text`"

`MP4Box - GPAC version 2.2.1-rev0-gb34e3851-release-2.2`

Very frustrating.

**UPDATE:** There were apparently some UDTA's set, perhaps by HandBrake.   I removed those and it worked as expected, still maybe some kind of overriding option wouldn't hurt.   I would've never found this without doing `-info 5`.   (And even then the `-udta` documentation could've been better since I'm not even sure what they are.)
name tkID appends text not replace
This is a GitHub Issue
repo:gpac
owner:gpac
Title : name tkID appends text not replace
Issue date:

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I'm trying to remove the title of a track with `mp4box filename.mp4 -name 5=""` but that just keeps the existing title.

If I try to replace it with something else with `mp4box filename.mp4 -name 5="New Text"` I get "`New Text / Old Text`"

`MP4Box - GPAC version 2.2.1-rev0-gb34e3851-release-2.2`

Very frustrating.

**UPDATE:** There were apparently some UDTA's set, perhaps by HandBrake.   I removed those and it worked as expected, still maybe some kind of overriding option wouldn't hurt.   I would've never found this without doing `-info 5`.   (And even then the `-udta` documentation could've been better since I'm not even sure what they are.)
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