An unnecessary filling word Closes #20834
- replaced double spaces with single space where applicable - replaced "favourite" with "favorite" - added language identifiers to code blocks in markdown files - added extra line after code blocks and after headings in markdown files Cloes #20748
Also: - replace a 'will' found by badwords. - drop duplicate empty lines. Closes #19930
Closes #17487
For libcurl internal APIs and concepts. Closes #14552