Insert on a terminal's text says it edits a copy, run with Tab or B2, that the program's next drawing replaces, and that Ctrl-b types to the program

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/terminal.zig b/src/terminal.zig
index 140dae76..3bb1fbda 100644
--- a/src/terminal.zig
+++ b/src/terminal.zig
@@ -1637,6 +1637,11 @@ pub fn editText(p: *Pardes, pane: *Pane, lo: i32, hi: i32, col: i32) ?EditText {
         if (pane.ovl) |overlay| p.gpa.free(overlay.text);
         pane.ovl = .{ .row = row0, .rows = covered, .text = text };
     }
+    // A terminal's text is its program's: edited here it is a copy, to run
+    // with Tab or B2, gone when the program draws again. Said at its first
+    // edit, so it never looks like an edit that was lost.
+    if (fresh) for (p.panes, 0..) |slot, id| if (slot == pane)
+        p.setMessage(id, "a copy of the terminal's text: Tab or B2 runs it; what the program draws next replaces it (Ctrl-b types to the program)");
     return .{ .text = pane.ovl.?.text, .row0 = pane.ovl.?.row };
 }