A bare Shell names the shell it goes back to, and 12:0 says columns count from 1

A bare Shell reset to the default without saying which; it now says
Shell: the default again, <shell> ($SHELL, else /bin/sh). A line:col of
column 0 said only address out of range; it now adds that a column
counts from 1.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig
index 424245eb..fac1e5eb 100644
--- a/src/ninep/ctl.zig
+++ b/src/ninep/ctl.zig
@@ -1473,6 +1473,7 @@ test "Shell refuses a path that is no executable, and bare it goes back to the d
     try testing.expectEqualStrings("/bin/sh", p.settings.shell.requested.get());
     try testing.expectEqual(Status.ok, wr(p, root_ctl, "Shell\n").reply.status);
     try testing.expectEqualStrings("", p.settings.shell.requested.get());
+    try testing.expect(th.logHas(p, "Shell: the default again, "));
     var want: [300]u8 = undefined;
     try testing.expect(std.mem.indexOf(u8, rd(p, root_ctl, 0, 8192).bytes, try std.fmt.bufPrint(&want, "Shell {s}\n", .{config.defaultShell()})) != null);
 }