1 point

Also very basic, IMO:

  • g X - go to buffer X’s point
  • j - jump to diff number (prefix arg)
  • ! - update (re-diff)
  • C-l - recenter
  • * - refine current region
  • ## - ignore whitespace diffs
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1 point

And in case the video doesn’t say it:

Ediff has its own user manual: C-h i g (ediff)

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Ediff is great!!!

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1 point

It can’t even show white space differences

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1 point

Depends on the configured diff program and its options.

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This has nothing to do with the diff program. Ediff is not able to highlight whitespace differences like it highlights non-whitespace differences. Maybe it is possible to do somehow, but by default, whitespace differences generate a diff region with no highlights (or as ediff calls it, refinements).

It is because highlights are done on word level, and whitespaces are not words.

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1 point

You sir are great. I can’t open the video on youtube to give a thumbs up, may you share the link?

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