I was working on code analysis a couple of months ago, and thought
about code display and which elements needed blanks around them.
Without that side trip I might not have noticed that I was getting
numbers instead of characters. The problem was easy to get around,
just test for and ignore the empty lines, so I got on with my work and
left a note to report it later.
I originally saw the issue on Android 901, and have just confirmed it
on Windows 902 beta, both 64-bit if that matters.
NB. Cut into lines where / is like LF]lines=: <;._2 'NB. add them//x+y/'
NB. add them x+y
NB. Words in each element of lines]words=: ;:&.> lines
NB. add them
x + y
NB. Get the last word in each line]last=: {:&.> words
NB. add them
y
NB. Get first three characters of each]prefix=: 3{.&.> ;last
NB. 0 0 0 y
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