patch 8.0.0121

Problem:    Setting 'cursorline' changes the curswant column. (Daniel Hahler)
Solution:   Add the P_RWINONLY flag. (closes #1297)

Author: brammool

src/option.c

@@ -435,8 +435,8 @@ struct vimoption
 
 				/* when option changed, what to display: */
 #define P_RSTAT		0x1000	/* redraw status lines */
-#define P_RWIN		0x2000	/* redraw current window */
-#define P_RBUF		0x4000	/* redraw current buffer */
+#define P_RWIN		0x2000	/* redraw current window and recompute text */
+#define P_RBUF		0x4000	/* redraw current buffer and recompute text */
 #define P_RALL		0x6000	/* redraw all windows */
 #define P_RCLR		0x7000	/* clear and redraw all */
 
@@ -457,6 +457,7 @@ struct vimoption
 #define P_CURSWANT    0x4000000L /* update curswant required; not needed when
 				  * there is a redraw flag */
 #define P_NDNAME      0x8000000L /* only normal dir name chars allowed */
+#define P_RWINONLY   0x10000000L /* only redraw current window */
 
 #define ISK_LATIN1  (char_u *)"@,48-57,_,192-255"
 
@@ -967,7 +968,7 @@ static struct vimoption options[] =
 			    (char_u *)NULL, PV_NONE,
 #endif
 			    {(char_u *)FALSE, (char_u *)0L} SCRIPTID_INIT},
-    {"cursorline",   "cul", P_BOOL|P_VI_DEF|P_RWIN,
+    {"cursorline",   "cul", P_BOOL|P_VI_DEF|P_RWINONLY,
 #ifdef FEAT_SYN_HL
 			    (char_u *)VAR_WIN, PV_CUL,
 #else
@@ -9055,6 +9056,8 @@ check_redraw(long_u flags)
 	changed_window_setting();
     if (flags & P_RBUF)
 	redraw_curbuf_later(NOT_VALID);
+    if (flags & P_RWINONLY)
+	redraw_later(NOT_VALID);
     if (doclear)
 	redraw_all_later(CLEAR);
     else if (all)

src/testdir/test_goto.vim

@@ -273,3 +273,18 @@ func Test_gd_string_only()
 	\ ]
   call XTest_goto_decl('gd', lines, 5, 10)
 endfunc
+
+" Check that setting 'cursorline' does not change curswant
+func Test_cursorline_keep_col()
+  new
+  call setline(1, ['long long long line', 'short line'])
+  normal ggfi
+  let pos = getcurpos()
+  normal j
+  set cursorline
+  normal k
+  call assert_equal(pos, getcurpos())
+  bwipe!
+  set nocursorline
+endfunc
+

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    121,
 /**/
     120,
 /**/