:Category:CS1 errors: invisible characters

This is a tracking category for CS1 and CS2 templates that have parameter values that contain invisible or non-printable characters.

Many (although not all) errors in the category can automatically be fixed by clicking [https://citations.toolforge.org/category.php?edit=toolbar&slow=1&cat=CS1%20errors%3A%20invisible%20characters here] to activate User:Citation bot.