[namibj]

I can greatly recommend

  git log -p --color-words
  git show --color-words <commut-ref>

for that problem. There are weaker options to only ignore indentation, iirc.

[atombender]

Diff-so-fancy [1] is even better at visualizing this, in my opinion.

[1] https://github.com/so-fancy/diff-so-fancy