Changes in this version of XEmacs:

• Improve regexp support for backreferences numbered greater than 10.
• Avoid algorithmically-expensive text checks when ERROR_CHECK_TEXT o ff.
• Clarify our strategy for GC protection of the active stack.
• Improve the algorithmic complexity of #'concat, move #'concatenate to C.
• Avoid surprises, assertion failures with uninitialized args_mse, co ncatenate().
• Move #'terpri to Lisp, no need to have it in C.
• Move #'build-buffers-menu-internal to being a label.
• Support OpenSSL 1.1.0.

Changes in xemacs-packages-base and xemacs-packages-extra:

• Updated CC Mode