strcat([]) and strcat([],"anything") return "" instead of []
@sgougeon)
Reported by Samuel GOUGEON (BUG DESCRIPTION:
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strcat([]) and stcat([],"") return "" instead of []
See the discussion there:
https://www.mail-archive.com/dev@lists.scilab.org/msg00521.html
ERROR LOG:
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None. Unexpected answer.
HOW TO REPRODUCE THE BUG:
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strcat([])==[]
strcat([],"hkh")==[]