diff --git a/runtime/doc/digraph.txt b/runtime/doc/digraph.txt
index 2a96812bf9..313b58ed4e 100644
--- a/runtime/doc/digraph.txt
+++ b/runtime/doc/digraph.txt
@@ -1,4 +1,4 @@
-*digraph.txt*   For Vim version 9.1.  Last change: 2025 Feb 02
+*digraph.txt*   For Vim version 9.1.  Last change: 2025 Aug 16
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1105,8 +1105,8 @@ char  digraph	hex	dec	official name ~
 ⌕	TR	2315	8981	TELEPHONE RECORDER
 ⌠	Iu	2320	8992	TOP HALF INTEGRAL
 ⌡	Il	2321	8993	BOTTOM HALF INTEGRAL
-〈	</	2329	9001	LEFT-POINTING ANGLE BRACKET
-〉	/>	232A	9002	RIGHT-POINTING ANGLE BRACKET
+⟨	<[	27E8	10040	LEFT MATHEMATICAL ANGLE BRACKET
+⟩	]>	27E9	10041	RIGHT MATHEMATICAL ANGLE BRACKET
 ␣	Vs	2423	9251	OPEN BOX
 ⑀	1h	2440	9280	OCR HOOK
 ⑁	3h	2441	9281	OCR CHAIR
@@ -1246,6 +1246,8 @@ char  digraph	hex	dec	official name ~
 々	*_	3005	12293	IDEOGRAPHIC ITERATION MARK
 〆	;_	3006	12294	IDEOGRAPHIC CLOSING MARK
 〇	0_	3007	12295	IDEOGRAPHIC NUMBER ZERO
+〈	</	3008	12296	LEFT ANGLE BRACKET
+〉	/>	3009	12297	RIGHT ANGLE BRACKET
 《	<+	300A	12298	LEFT DOUBLE ANGLE BRACKET
 》	>+	300B	12299	RIGHT DOUBLE ANGLE BRACKET
 「	<'	300C	12300	LEFT CORNER BRACKET
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index aa7a57ded3..17be46d037 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2025 Aug 12
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Aug 16
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41739,6 +41739,12 @@ Others: ~
 - The close button shown in the non-GUI 'tabline' will only be visible if the
   'mouse' option contains either "a" or any of the flags "n", "v", or "i".
 - |C-indenting| handles compound literals.
+- The digraphs "</" (LEFT-POINTING ANGLE BRACKET) and ">/" (RIGHT-POINTING
+  ANGLE BRACKET) have been changed to represent LEFT ANGLE BRACKET and RIGHT
+  ANGLE BRACKET to match the Unicode Miscellaneous Technical code chart from
+  Unicode 16.
+- Two additional digraphs have been added: LEFT ANGLE BRACKET "<[" and RIGHT
+  ANGLE BRACKET "]>".
 
 							*added-9.2*
 Added ~
diff --git a/src/digraph.c b/src/digraph.c
index a5dff00d1b..8af2dc2e17 100644
--- a/src/digraph.c
+++ b/src/digraph.c
@@ -1028,8 +1028,8 @@ static digr_T digraphdefault[] = {
 	{'T', 'R', 0x2315},
 	{'I', 'u', 0x2320},
 	{'I', 'l', 0x2321},
-	{'<', '/', 0x2329},
-	{'/', '>', 0x232a},
+	{'<', '[', 0x27e8},
+	{']', '>', 0x27e9},
 #   define DG_START_OTHER2 0x2423
 	{'V', 's', 0x2423},
 	{'1', 'h', 0x2440},
@@ -1176,6 +1176,8 @@ static digr_T digraphdefault[] = {
 	{'*', '_', 0x3005},
 	{';', '_', 0x3006},
 	{'0', '_', 0x3007},
+	{'<', '/', 0x3008},
+	{'/', '>', 0x3009},
 	{'<', '+', 0x300a},
 	{'>', '+', 0x300b},
 	{'<', '\'', 0x300c},
diff --git a/src/testdir/test_digraph.vim b/src/testdir/test_digraph.vim
index c53b1bcc01..96b2b63baf 100644
--- a/src/testdir/test_digraph.vim
+++ b/src/testdir/test_digraph.vim
@@ -612,5 +612,16 @@ func Test_digraph_getlist_function()
   call assert_fails('call digraph_getlist(0z12)', 'E1212: Bool required for argument 1')
 endfunc
 
+func Test_digraph_angle_bracket_patch()
+  " Ensure that the deprecated angle brackets 2329/232A ('</','/>') are not used
+  call assert_notequal('〈', digraph_get('</'))
+  call assert_notequal('〉', digraph_get('/>'))
+  " Ensure that the CJK angle brackets 3008/3009 ('</','/>') are used
+  call assert_equal('〈', digraph_get('</'))
+  call assert_equal('〉', digraph_get('/>'))
+  " Ensure that the mathematical angle brackets 27E8/27E9 ('<[',']>') are defined
+  call assert_equal('⟨', digraph_get('<['))
+  call assert_equal('⟩', digraph_get(']>'))
+endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index cc08bffa8b..f890e8a68e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1640,
 /**/
     1639,
 /**/