patch 8.2.4792: indent operator creates an undo entry for every line
Problem: Indent operator creates an undo entry for every line.
Solution: Create one undo entry for all lines. (closes #10227)
diff --git a/src/testdir/test_indent.vim b/src/testdir/test_indent.vim
index f96da69..be55227 100644
--- a/src/testdir/test_indent.vim
+++ b/src/testdir/test_indent.vim
@@ -59,6 +59,29 @@
close!
endfunc
+" Test indent operator creating one undo entry
+func Test_indent_operator_undo()
+ enew
+ call setline(1, range(12)->map('"\t" .. v:val'))
+ func FoldExpr()
+ let g:foldcount += 1
+ return '='
+ endfunc
+ set foldmethod=expr foldexpr=FoldExpr()
+ let g:foldcount = 0
+ redraw
+ call assert_equal(12, g:foldcount)
+ normal gg=G
+ call assert_equal(24, g:foldcount)
+ undo
+ call assert_equal(38, g:foldcount)
+
+ bwipe!
+ set foldmethod& foldexpr=
+ delfunc FoldExpr
+ unlet g:foldcount
+endfunc
+
" Test for shifting a line with a preprocessor directive ('#')
func Test_preproc_indent()
new