This is a list of known bugs in WordPerfect for UNIX.

If you enable kerning with Shift+F8,4,6,1, the kerning is correctly applied to printed documents, but does not appear to be used when calculating hyphenation zones or soft breaks.

The macro command {KTON} may crash if given an empty string. This can be a problem if you're passing something like {SYSTEM}Left~, because that can return an empty string if there is no character to the left.

A workaround is to always specify a backup character, for example {KTON}{SYSTEM}Left~x~, this will return the code for x if {SYSTEM}Left~ fails.

The EditType system variable returns 3 in some surprising locations. For example, the Variable: prompt when pressing Ctrl+PgUp.

It's unclear if this is a bug, the wp8c manual does not mention EditType at all. It is recommended to use {STATE} whenever possible, which is generally more reliable.

If you position the cursor on a [HRt] code immediately before a [Block] code and press {Right}, the [Block] code is skipped.