Add square bracket notation for concatenated Morse code transmission#1

Copilot wants to merge 2 commits intoconnected_codeGraphium314/morsecord:connected_codefrom

copilot/fix-e6842e4a-99b3-4dd9-910c-160957a72b50Graphium314/morsecord:copilot/fix-e6842e4a-99b3-4dd9-910c-160957a72b50Copy head branch name to clipboard