Feature Request: Allow Custom Editors To Gracefully Handle Diff Views

[Henning Dieterichs]

It would be awesome if custom editors could influence the diff view (or opt out of it).

These are examples where the default diff view does not really work:

• 
• 

Unfortunately, the individual custom editor only knows if it is readonly, but not if it is right or left of a diff view.

Related:

• TranquilMarmot/YarnLoom#19
• #97683

[Daniel Imms]

👍 hex editor and luna paint could also provide nicer diff experiences.

[Chen Andy]

#171381 is slightly different. we want to use a new webview to do the compare