Emacs fill-paragraph Problem
What is Emacs Fill Commands
Emacs has a command fill-paragraph 【Alt+q】 that does hard-wrap of current paragraph (it inserts a newline char at every ~70 chars.)
Emacs also has fill-region, which acts on a text selection.
However, there are some usability problems with these commands.
This page discuss the problems and fixes.
Problems of Emacs Fill Commands
It is inconvenient to “unfill” a paragraph or region.
One frequently asked question is how to “unfill” — do inverse of fill-paragraph.
Technically, this means replacing newline char by space.
Emacs does not have a built-in command for this.
The typical answer to this question, is to set the cut-width to a huge number (e.g. set fill-column to 10001000), then Alt+x fill-paragraph, then set fill-column back to previous value.
If you need to reformat several paragraphs, Alt+x fill-region.
There is no keyboard shortcut.
Solution: Command that Auto Toggle Fill or Unfill, on Region or Current Paragraph
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