tui: ignore st terminfo cursor shape (Se, Ss) entries

closes #7641

1 files changed, 9 insertions, 9 deletions

diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index 9f2ae20fe3..99433924f6 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -1480,19 +1480,18 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
     }
   }
 
-  // Some terminals cannot be trusted to report DECSCUSR support. So we keep
-  // blacklist for when we should not trust the reported features.
-  if (!((vte_version != 0 && vte_version < 3900) || konsole)) {
-    // Dickey ncurses terminfo has included the Ss and Se capabilities,
-    // pioneered by tmux, since 2011-07-14. So adding them to terminal types,
-    // that do actually have such control sequences but lack the correct
-    // definitions in terminfo, is a fixup, not an augmentation.
+  // Blacklist of terminals that cannot be trusted to report DECSCUSR support.
+  if (!(st || (vte_version != 0 && vte_version < 3900) || konsole)) {
     data->unibi_ext.reset_cursor_style = unibi_find_ext_str(ut, "Se");
     data->unibi_ext.set_cursor_style = unibi_find_ext_str(ut, "Ss");
   }
+
+  // Dickey ncurses terminfo includes Ss/Se capabilities since 2011-07-14. So
+  // adding them to terminal types, that have such control sequences but lack
+  // the correct terminfo entries, is a fixup, not an augmentation.
   if (-1 == data->unibi_ext.set_cursor_style) {
-    // The DECSCUSR sequence to change the cursor shape is widely supported by
-    // several terminal types.  https://github.com/gnachman/iTerm2/pull/92
+    // DECSCUSR (cursor shape) sequence is widely supported by several terminal
+    // types.  https://github.com/gnachman/iTerm2/pull/92
     // xterm extension: vertical bar
     if (!konsole && ((xterm && !vte_version)  // anything claiming xterm compat
         // per MinTTY 0.4.3-1 release notes from 2009
@@ -1502,6 +1501,7 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
         || tmux       // per tmux manual page
         // https://lists.gnu.org/archive/html/screen-devel/2013-03/msg00000.html
         || screen
+        || st         // #7641
         || rxvt       // per command.C
         // per analysis of VT100Terminal.m
         || iterm || iterm_pretending_xterm