bug#71499: [PATCH] Make whitespace.el cleanup add missing final newline

[Björn Lindström]

Hello,

attaching patch to make the whitespace-cleanup and whitespace-cleanup-region 
functions add a final newline to a file if whitespace-style contains 
`missing-newline-at-eof

I'm aware this somewhat replicates what setting `require-final-newline would 
do, but I think since whitespace.el with this configuration highlights this as 
an error, it should also clean it up when asked.

Best wishes,
Björn

0001-Make-whitespace.el-cleanup-add-missing-final-newline.patch
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