patch 9.0.2056: no digraph for quadruple prime
Problem: no digraph for quadruple prime
Solution: add quadruple prime digraph using 4'
closes: #13380
Signed-off-by: Jonathan Wright <quaggy@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Jonathan Wright <quaggy@gmail.com>
diff --git a/runtime/doc/digraph.txt b/runtime/doc/digraph.txt
index e9bdeb5..624aa27 100644
--- a/runtime/doc/digraph.txt
+++ b/runtime/doc/digraph.txt
@@ -1,4 +1,4 @@
-*digraph.txt* For Vim version 9.0. Last change: 2023 Mar 21
+*digraph.txt* For Vim version 9.0. Last change: 2023 Oct 20
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -174,6 +174,13 @@
The rouble sign was added in 2014 as 0x20bd. Vim supports the digraphs =R and
=P for this. Note that R= and P= are other characters.
+QUADRUPLE PRIME
+
+The quadruple prime using the digraph 4' was added in 2023. Although it is
+not part of RFC 1345, it supplements the existing digraph implementation as
+there already exist digraphs for PRIME, DOUBLE PRIME and TRIPLE PRIME using
+the 1', 2' and 3' digraphs.
+
*digraph-table*
char digraph hex dec official name ~
^@ NU 0x00 0 NULL (NUL)
@@ -931,6 +938,7 @@
′ 1' 2032 8242 PRIME
″ 2' 2033 8243 DOUBLE PRIME
‴ 3' 2034 8244 TRIPLE PRIME
+⁗ 4' 2057 8279 QUADRUPLE PRIME
‵ 1" 2035 8245 REVERSED PRIME
‶ 2" 2036 8246 REVERSED DOUBLE PRIME
‷ 3" 2037 8247 REVERSED TRIPLE PRIME