NEWS.11.md: New file to start version 11 development.

* NEWS.11.md: New file to start version 11 development.

Author: Rik

etc/NEWS.11.md

@@ -0,0 +1,54 @@
+Summary of important user-visible changes for version 11 (yyyy-mm-dd):
+---------------------------------------------------------------------
+
+### General improvements
+
+### Graphical User Interface
+
+### Graphics backend
+
+### Matlab compatibility
+
+### Alphabetical list of new functions added in Octave 11
+
+### Deprecated functions, properties, and operators
+
+The following functions and properties have been deprecated in Octave 11
+and will be removed from Octave 13 (or whatever version is the second
+major release after 11):
+
+- Functions
+
+        Function               | Replacement
+        -----------------------|------------------
+
+- Core
+
+        Function               | Replacement
+        -----------------------|------------------
+
+The following features were deprecated in Octave 9 and have been removed
+from Octave 11.
+
+- Core
+
+        Function                            | Replacement
+        ------------------------------------|-----------------------------------
+        octave::initialized                 | octave::is_initialized
+        octave::same_file                   | octave::sys::same_file
+        octave::interpreter_initialized     | octave::interpreter_is_initialized
+        all_ok (Array<octave::idx_vector>&) | 
+        idx_vector::bool ()                 | 
+
+### Old release news
+
+- [Octave 9.x](etc/NEWS.10.md)
+- [Octave 9.x](etc/NEWS.9.md)
+- [Octave 8.x](etc/NEWS.8.md)
+- [Octave 7.x](etc/NEWS.7.md)
+- [Octave 6.x](etc/NEWS.6.md)
+- [Octave 5.x](etc/NEWS.5.md)
+- [Octave 4.x](etc/NEWS.4)
+- [Octave 3.x](etc/NEWS.3)
+- [Octave 2.x](etc/NEWS.2)
+- [Octave 1.x](etc/NEWS.1)