On Mon, 2020-11-30 at 20:15 +0530, Dwaipayan Ray wrote:
> checkpatch reports a false TYPO_SPELLING warning for some words
> containing an apostrophe.
>
> A false positive is "doesn't". Occurrence of the word causes
> checkpatch to emit the following warning:
>
> "WARNING: 'doesn'' may be misspelled - perhaps 'doesn't'?"
>
> Check the word boundary for such cases so that words like
> "doesn't", "zig-zag", etc. aren't misinterpreted due to wrong
> splitting of the word by the \b regex metacharacter.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -3106,7 +3106,7 @@ sub process {
> # Check for various typo / spelling mistakes
> if (defined($misspellings) &&
> ($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) {
> - while ($rawline =~
> /(?:^|[^a-z@])($misspellings)(?:\b|$|[^a-z@])/gi) {
> + while ($rawline =~
> /(?:^|[^a-z@])($misspellings)(?:\b(?![^\w]?[a-z@]+)|$|[^a-z@])/gi) {
Wouldn't it be simpler to change the existing [^a-z@] blocks to [^a-z@'-] ?
