The most recent version of this documentation can be found at https://docs.dyalog.com/20.0/.

Characters

Characters are entered within a pair of APL quotes.  The surrounding APL quotes are not displayed on output.  The APL quote character itself must be entered as a pair of APL quotes.

Examples

      'DYALOG APL'
DYALOG APL
      'I DON''T KNOW'
I DON'T KNOW
      '*'
*