…apeshellarg (GuillaumeVerdon)This PR was submitted for the 3.2 branch but it was merged into the 2.7 branch instead (closes#21485).Discussion----------[Process] Non ASCII characters disappearing during the escapeshellargIf the LC_CTYPE is not set at UTF-8, the escapeshellarg() function will remove every non-ascii characters.As it's usual in europe to have directories with non-ascii chars in their name (ex : ~/Vidéos) the function should throw an exception if we're trying to submit it an argument containing non-ascii param and the LC_CTYPE is not set to use UTF-8| Q             | A| ------------- | ---| Branch?       | 2.7| Bug fix?      | yes| New feature?  | no| BC breaks?    | no| Deprecations? | no| Tests pass?   || Fixed tickets || License       | MIT| Doc PR        |I had this issue while using the lib ffmpeg and giving it a path like "~/Vidéos" the "é" chars was disappearing from the command giving a RuntimeException.The problem was my LC_CTYPE that wasn't set properly, I believe an exception should be raised before the RuntimeException to warn the user of that behaviorCommits-------3779f3f [Process] Non ASCII characters disappearing during the escapeshellarg