Strange vim registers behavior when used with execute "normal -


why following command not use content of first registered in unnamed register, if content number ?

execute "normal! cc".(@"+1)."\<esc>"

this works, long default register contains only number. leading whitespace cause string evaluated 0.

:echo "1" + 1 2 :echo " 1" + 1 1

you can avoid explicitly converting string number:

:echo str2nr(" 1") + 1 2

note: if don't care 'autoindent' behavior of cc, use lower-level setline():

:call setline('.', str2nr(@") + 1)

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