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Fix pasting read-only registers (:, %, and .) (#239)

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The bug/error was from attempting to use setreg() on a read-only
register. The fix is to use the unnamed (") register as a placeholder
when a read-only register is detected, and then restore the unnamed
register afterwards.
This commit is contained in:
Austin W Smith
2025-08-16 09:51:54 -07:00
committed by GitHub
parent 6d44a6dc2e
commit db65482581
1 changed files with 14 additions and 5 deletions
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19
plugin/unimpaired.vim
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@@ -407,13 +407,22 @@ nmap <script><silent> <Plug>(unimpaired-toggle)p :<C-U>call <SID>SetupPaste()<C
" Section: Put
function! s:putline(how, map) abort
let [body, type] = [getreg(v:register), getregtype(v:register)]
let reg = v:register
let [body, type] = [getreg(reg), getregtype(reg)]
if reg =~ '[:%.]' " detect read-only registers
let [body_save, type_save] = [getreg('"'), getregtype('"')]
let reg = '"'
call setreg('"', body, type)
endif
if type ==# 'V'
exe 'normal! "'.v:register.a:how
exe 'normal! "'.reg.a:how
else
call setreg(v:register, body, 'l')
exe 'normal! "'.v:register.a:how
call setreg(v:register, body, type)
call setreg(reg, body, 'l')
exe 'normal! "'.reg.a:how
call setreg(reg, body, type)
endif
if exists('l:body_save')
call setreg('"', body_save, type_save)
endif
silent! call repeat#set("\<Plug>(unimpaired-put-".a:map.")")
endfunction