Add support for the Buhid and Tagbanwa scripts (bug#55610)

* lisp/language/philippine.el ("Buhid"): New language environment.
("Tagbanwa"): New language environment.
Add input methods for Buhid and Tagbanwa.
Add sample text for Tagbanwa.
* lisp/international/fontset.el (script-representative-chars)
(setup-default-fontset): Support Buhid and Tagbanwa.
* lisp/leim/quail/philippine.el ("buhid"): New input method.
("tagbanwa"): New input method.

* etc/HELLO: Add a Tagbanwa greeting.
* etc/NEWS: Announce the new language environments and their
input methods.

1 files changed, 17 insertions, 0 deletions

diff --git a/lisp/language/philippine.el b/lisp/language/philippine.el
index 2a4b17a1c7e..e52ad6912cd 100644
--- a/lisp/language/philippine.el
+++ b/lisp/language/philippine.el
@@ -46,6 +46,23 @@ this language environment.")))
              (documentation . "\
 Philippine Language Hanunoo is supported in this language environment.")))
 
+(set-language-info-alist
+ "Buhid" '((charset unicode)
+           (coding-system utf-8)
+           (coding-priority utf-8)
+           (input-method . "buhid")
+           (documentation . "\
+Philippine Language Buhid is supported in this language environment.")))
+
+(set-language-info-alist
+ "Tagbanwa" '((charset unicode)
+             (coding-system utf-8)
+             (coding-priority utf-8)
+             (input-method . "tagbanwa")
+             (sample-text . "Tagbanwa (ᝦᝪᝯ)       ᝫᝩᝬᝥ ᝣᝮᝧᝯ")
+             (documentation . "\
+Philippine Languages Tagbanwa are supported in this language environment.")))
+
 ;; Tagalog composition rules
 (let ((akshara              "[\x1700-\x1711\x171F]")
       (vowel                "[\x1712\x1713]")