Category:CS1 errors: invisible characters

These parameter values that contain invisible or non-printable characters. Usually they are fixed by highlighty what looks like a space, then deleting it and typing a new space character instead.

The references list should say which character number is causing the problem, and which reference it is in.


 * invisible_char_help_text| Invisible characters

Invisible characters identified are:
 * non-breaking space, U+00A0
 * soft hyphen, U+00AD
 * replacement character, U+FFFD
 * hair space, U+200A
 * zero width space, U+200B
 * zero width joiner, U+200D
 * horizontal tab, U+0009 (HT)
 * line feed, U+0010 (LF)
 * carriage return, U+0013 (CR)
 * delete character, U+007F (DEL)
 * C0 control, U+0000–U+001F (NULL–US)
 * C1 control, U+0080–U+009F (XXX–APC)

If you need a non-breaking space, which is a space character that won't be wrapped onto the next line of long sentences, then in the source code editor add. This will appear as a space in the visual editor.