[bug] The :Man command overwrites the unnamed register

[Franklin, Jason]

Greetings:

Every time the ":Man" command is executed, it will overwrite the unnamed
register. See the test in the patch below for the reproduction.


diff --git a/runtime/ftplugin/man.vim b/runtime/ftplugin/man.vim
index d7ce4d8ac..1c13c8065 100644
--- a/runtime/ftplugin/man.vim
+++ b/runtime/ftplugin/man.vim
@@ -189,7 +189,7 @@ func <SID>GetPage(cmdmods, ...)
setl buftype=nofile noswapfile

setl fdc=0 ma nofen nonu nornu
- silent exec "norm! 1GdG"
+ %delete _
let unsetwidth = 0
if empty($MANWIDTH)
let $MANWIDTH = winwidth(0)
@@ -213,10 +213,10 @@ func <SID>GetPage(cmdmods, ...)
endif
" Remove blank lines from top and bottom.
while line('$') > 1 && getline(1) =~ '^\s*$'
- silent keepj norm! ggdd
+ 1delete _
endwhile
while line('$') > 1 && getline('$') =~ '^\s*$'
- silent keepj norm! Gdd
+ $delete _
endwhile
1
setl ft=man nomod
diff --git a/src/testdir/test_man.vim b/src/testdir/test_man.vim
index 9de8cb474..b2fe460d6 100644
--- a/src/testdir/test_man.vim
+++ b/src/testdir/test_man.vim
@@ -111,3 +111,21 @@ func Test_local_options()
%bw!
set foldcolumn& number&
endfunc
+
+" Check that the unnamed register is not overwritten.
+func Test_keep_unnamed_register()
+ %bw!
+
+ let @" = '---'
+
+ let wincnt = winnr('$')
+ Man vim
+ if wincnt == winnr('$')
+ " Vim manual page cannot be found.
+ return
+ endif
+
+ call assert_equal('---', @")
+
+ %bw!
+endfunc


--
Jason Franklin