Hi Darrel,

On Saturday 27 April 2013 22:18:43 Darrell Anderson wrote:
> Hopefully there is a configuration cure to avoid a bug report.
>
> Any file that is opened in kate or kwrite resulting in the infamous
> warning dialog that the file is binary and editing will result in a
> corrupt file, renders both text editors into a non-editing mode.
>
> For example, create a diff file using "diff -urNa" where there are
> file additions or removals in the target directory. Open the diff
> file in kate or kwrite. The infamous warning dialog appears and
> editing thereafter is impossible. Also disabled is searching and
> seatch-and-replace.
>
> Bug or configuration problem?
>
> Darrell

When that happens to me I click on "tools" and click on "read only mode" 
to remove the check mark.  I can edit fine after that.
HTH.

-- 
Best Regards:
            Baron