Why Don’t Copy and Paste Shortcuts Work in Unicode Dyalog?

In Unicode Dyalog, the Ctrl+X, Ctrl+C, and Ctrl+V keys can be assigned either to clipboard operations or to generating APL characters. If copy and paste are not working, these keys are usually configured for glyph input.

Why This Happens

Unicode Dyalog allows Ctrl+X, Ctrl+C, and Ctrl+V to generate APL symbols. This behaviour is controlled by the Keyboard Shortcuts settings.

How to Restore Standard Copy and Paste

Open Options → Configure → Unicode Input and press the “Configure Layout…” button.

Select “Use Ctrl+X, C, V for clipboard”.

Unicode IME Adjustment

If glyph generation is disabled in Dyalog, the Unicode IME translate table may also need updating.

Edit the translate table (.din) file and remove the leading ‘+’ from:

8835=Ctrl+x
8745=Ctrl+c
8746=Ctrl+v

Save the file and restart Dyalog.

Editing Permissions (Windows)

On Windows, you may need to run your text editor as Administrator to modify the .din file.

Summary

Copy and paste shortcuts usually fail because the keys are assigned to APL glyph generation rather than clipboard operations.