On Do, 10 Mai 2018, Bram Moolenaar wrote:

> 
> Christian wrote:
> 
> > On Mi, 09 Mai 2018, Bram Moolenaar wrote:
> > 
> > > You can use Shift-Tab to go back to the uncompleted text (well, if
> > > shift-Tab works on the terminal).
> > 
> > Is that documented somewhere?
> 
> :he c_<S-Tab>
> 
> CTRL-P also works.  I actually need to use that sometimes over ssh.

,----
| <S-Tab>                                               *c_CTRL-P* *c_<S-Tab>*
| CTRL-P                After using 'wildchar' which got multiple matches, go to
|               previous match.  Otherwise recall older command-line from
|               history.  <S-Tab> only works with the GUI, on the Amiga and
|               with MS-DOS.
`----

I actually checked :h cmdline-complete (which contains this paragraph) 
and I did not understand this. I know Ctrl-P gets the previous command 
from the commandline but it wasn't entirely obvious to me, that you can 
use it to undo the completion. So how about this paragraph:


diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 25577a2b6..c6608bbff 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -417,9 +417,12 @@ CTRL-N             After using 'wildchar' which got 
multiple matches, go to next
                match.  Otherwise recall more recent command-line from history.
 <S-Tab>                                                        *c_CTRL-P* 
*c_<S-Tab>*
 CTRL-P         After using 'wildchar' which got multiple matches, go to
-               previous match.  Otherwise recall older command-line from
-               history.  <S-Tab> only works with the GUI, on the Amiga and
-               with MS-DOS.
+               previous match.  After the first match undoes the last
+               completion and leaves the cursor at the previously entered
+               text.  This is useful to change what will be completed.
+               Otherwise recall older command-line from history.
+               <S-Tab> only works with the GUI, on the Amiga and on MS-DOS.
+               In a terminal, Vim may not be able to recognize <S-Tab>.
                                                        *c_CTRL-A*
 CTRL-A         All names that match the pattern in front of the cursor are
                inserted.



Best,
Christian
-- 
Auch das Chaos gruppiert sich um einen festen Punkt, sonst wäre es
nicht einmal als Chaos da.
                -- Arthur Schnitzler

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