vim-patch:8.1.0039: cannot easily delete lines in another buffer

Problem:    Cannot easily delete lines in another buffer.
Solution:   Add deletebufline().
https://github.com/vim/vim/commit/d79a26219d7161e9211fd144f0e874aa5f6d251e

1 files changed, 13 insertions, 0 deletions

diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index f6e8cdf762..cd5632e70c 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2028,6 +2028,8 @@ cursor({lnum}, {col} [, {off}])
 cursor({list})			Number	move cursor to position in {list}
 deepcopy({expr} [, {noref}])	any	make a full copy of {expr}
 delete({fname} [, {flags}])	Number	delete the file or directory {fname}
+deletebufline({expr}, {first}[, {last}])
+				Number	delete lines from buffer {expr}
 dictwatcheradd({dict}, {pattern}, {callback})
 				Start watching a dictionary
 dictwatcherdel({dict}, {pattern}, {callback})
@@ -3209,6 +3211,17 @@ delete({fname} [, {flags}])					*delete()*
 		The result is a Number, which is 0 if the delete operation was
 		successful and -1 when the deletion failed or partly failed.
 
+deletebufline({expr}, {first}[, {last}])		*deletebufline()*
+		Delete lines {first} to {last} (inclusive) from buffer {expr}.
+		If {last} is omitted then delete line {first} only.
+		On success 0 is returned, on failure 1 is returned.
+
+		For the use of {expr}, see |bufname()| above.
+
+		{first} and {last} are used like with |setline()|. Note that
+		when using |line()| this refers to the current buffer. Use "$"
+		to refer to the last line in buffer {expr}.
+
 dictwatcheradd({dict}, {pattern}, {callback})		      *dictwatcheradd()*
 		Adds a watcher to a dictionary. A dictionary watcher is
 		identified by three components: