patch 9.1.1224: cannot :put while keeping indent

Problem:  cannot :put while keeping indent (Peter Aronoff)
Solution: add the :iput ex command (64-bitman)

fixes: #16225
closes: #16886

Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: 64-bitman <60551350+64-bitman@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 301eace..c656a11 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 9.1.  Last change: 2024 Dec 15
+*change.txt*    For Vim version 9.1.  Last change: 2025 Mar 18
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1149,6 +1149,11 @@
 :[line]pu[t]! [x]	Put the text [from register x] before [line] (default
 			current line).
 
+							*:ip* *:iput*
+:[line]ip[ut] [x]	like |:put|, but adjust indent to the current line
+
+:[line]ip[ut]! [x]	like |:put|!, but adjust indent to the current line
+
 ["x]]p		    or					*]p* *]<MiddleMouse>*
 ["x]]<MiddleMouse>	Like "p", but adjust the indent to the current line.
 			Using the mouse only works when 'mouse' contains 'n'