Variable: widget-field-add-space
widget-field-add-space is a variable defined in wid-edit.el.gz.
Value
nil
Documentation
Non-nil means add extra space at the end of editable text fields.
If you don't add the space, it will become impossible to edit a zero size field.
Source Code
;; Defined in /usr/src/emacs/lisp/wid-edit.el.gz
;;; Widget text specifications.
;;
;; These functions are for specifying text properties.
;; We can set it to nil now that get_local_map uses get_pos_property.
(defconst widget-field-add-space nil
"Non-nil means add extra space at the end of editable text fields.
If you don't add the space, it will become impossible to edit a zero
size field.")