1 files changed, 14 insertions, 4 deletions
diff --git a/src/exec.zig b/src/exec.zig
index 88c0705d..06e5d375 100644
--- a/src/exec.zig
+++ b/src/exec.zig
@@ -391,7 +391,7 @@ pub fn isDirectory(path: []const u8) bool {
     const z = std.fmt.bufPrintSentinel(&buf, "{s}", .{path}, 0) catch return false;
     pardes.turn.yield();
     defer pardes.turn.back();
-    const stat = std.Io.Dir.cwd().statFile(std.Io.Threaded.global_single_threaded.io(), z, .{}) catch return false;
+    const stat = @import("fs.zig").statPath(std.Io.Threaded.global_single_threaded.io(), z, .{}) catch return false;
     return stat.kind == .directory;
 }
 
@@ -407,7 +407,7 @@ pub fn kindOf(path: []const u8) ?std.Io.File.Kind {
     const z = std.fmt.bufPrintSentinel(&buf, "{s}", .{path}, 0) catch return null;
     pardes.turn.yield();
     defer pardes.turn.back();
-    const stat = std.Io.Dir.cwd().statFile(std.Io.Threaded.global_single_threaded.io(), z, .{}) catch return null;
+    const stat = @import("fs.zig").statPath(std.Io.Threaded.global_single_threaded.io(), z, .{}) catch return null;
     return stat.kind;
 }
 
@@ -643,7 +643,12 @@ pub fn execute(p: *Pardes, id: usize, txt: []const u8) ?usize {
 /// such text may be a bound REPL's. Run by name (`Exec ...`, whose line
 /// comes back through `execute`) or written as a command word, never.
 pub fn executeFrom(p: *Pardes, id: usize, txt: []const u8, from_body: bool) ?usize {
-    const pane = p.panes[id] orelse return null;
+    // An empty window runs its session words, and nothing else: no pane to
+    // run a command for.
+    const pane = p.panes[id] orelse {
+        _ = executeBuiltinLine(p, id, commandText(txt));
+        return null;
+    };
     const gesture = from_body and config.commandWord(std.mem.trim(u8, txt, " \t\r\n")) == null;
     const cmd = commandText(txt);
     if (cmd.len == 0) return null;
@@ -891,7 +896,9 @@ pub fn runBuiltin(p: *Pardes, b: Builtin, id: usize, txt: []const u8, arg: ?[]co
 /// `runBuiltin` saying whether a gesture on the pane's body made it.
 pub fn runBuiltinFrom(p: *Pardes, b: Builtin, id: usize, txt: []const u8, arg: ?[]const u8, from_body: bool) void {
     if (!normal.multiOnce(p)) return; // a builtin is per-keystroke, never per-cursor
-    const pane = p.panes[id] orelse return;
+    // No pane at all (the window Delcol emptied): a word runs all the same,
+    // with a stand-in that is no pane (New, Newcol, Exit are what make sense).
+    const pane = p.panes[id] orelse (if (builtins.registry.scope(b) == .session or p.anyPane() == null) p.standIn() orelse return else return);
     // A builtin says its own name before it runs, so a tagline click is
     // legible even when what it did is invisible. Whatever the builtin
     // then says for itself replaces the announcement. It is the message
@@ -1000,6 +1007,9 @@ pub const NewPane = enum { scratch, fs, shell, doc, command, errors };
 /// from: null when a column tag, the workspace tag or 9P asked (acme's
 /// t->w == nil).
 pub fn placeNew(p: *Pardes, from: usize, origin: ?usize, id: usize, kind: NewPane) void {
+    // No column left (the last one Delcol'd): a pane made from the workspace
+    // tag opens one to go in.
+    _ = layout.firstColumn(p);
     const asked = if (p.exec_column != null) null else origin;
     layout.compute(p);
     const before = p.rects;