Good evening all,

I think I found a bug in j902-a:

'abc' +/@:E. (AlphaNum_j_ {~100 ?.@$ 62
1 2 3 +/@:E. 100 ?.@$62

these phrases reliably causes a segfault at least on Android:

   JVERSION
Engine: j902/j32/android
Release-a: commercial/2020-12-10T11:15:49
Library: 9.02.08
J Android: 1.4.11/7.1.2/25
Platform: Android 32 (armeabi-v7a)
Installer: unknown
InstallPath: /storage/emulated/0/Android/data/com.jsoftware.j.android/files
Contact: www.jsoftware.com

It might be in the special code, since defining (sum =: +/) and using sum@:E.
instead runs fine.

Congratulations with the new release though, your hard work is well
appreciated.

Best regards,

Jan-Pieter
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