Andrey Kutejko

Add owned String branch to `deserialize_option_number_from_string`

1

This is somehow needed when I combine `serde-aux` with `serde-dynamo`. Without this change I do have an error: "data did not match any variant of untagged enum NumericOrNull". ## Summary...

(libxml2.tree::switch-error-handling t) is not invoked when saved image is loaded. This causes totally different behavior of error handling.

memory fault

3

Following code produces memory fault error. ``` (let ((w (make-instance 'gtk:entry :secondary-icon-stock "gtk-execute" :secondary-icon-tooltip-text "some text"))) (print w)) ``` But this code doesn't ``` (let ((w (make-instance 'gtk:entry :secondary-icon-stock "gtk-execute")))...

I have used let-ui and it's very nice for GUI. Bye-bye GtkBuilder. :) The only thing I miss is non-widget objects like GtkTreeViewColumn, GtkCellRenderer and so on. Is it possible...

[BUG] No way to call `spawn_async` with envp = NULL

2

**Bug description** [glib::spawn_async](https://gtk-rs.org/gtk-rs-core/stable/latest/docs/glib/fn.spawn_async.html) takes a slice for `envp` parameter. When it is called with empty slice it passes non-null pointer to `g_spawn_async`. But [`g_spawn_async`](https://docs.gtk.org/glib/func.spawn_async.html) treats differently cases when env is...