Full session:
r=:'some text 123'
('text',b)E.r
|valence error, executing monad E.
|verb has no monadic valence
| ('text',b) E.r
b
|value error: b
JVERSION
Engine: j904/j64avx/windows
Beta-i: commercial/2022-12-13T15:19:30
Library: 9.04.06
Qt IDE: 2.0.3s/6.2.4(6.2.4)
Platform: Win 64
Installer: J904 install
InstallPath: c:/users/mouton/j904
Contact: www.jsoftware.com
~ Gilles
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