Hi list,
How to reproduce:
Create a func:
func! Ywtest()
redraw | let txt = matchstr(input("Foo: "), '^\s*\zs.*')
while txt == ''
let txt = matchstr(input("Foo: "), '^\s*\zs')
endwhile
endfunc
Run it: :call Ywtest()
Then in the first prompt, hit enter to enter a blank string, then func will
prompt again, now input some string, hit enter again, you will find the while
loop will nerver end from now on.
If I remove the matchstr() part, func runs well, what's wrong with it?
--
Regards,
Yue Wu
Key Laboratory of Modern Chinese Medicines
Department of Traditional Chinese Medicine
China Pharmaceutical University
No.24, Tongjia Xiang Street, Nanjing 210009, China
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