patch 8.2.2262: Vim9: converting bool to string prefixes v:

Problem:    Vim9: converting bool to string prefixes v:.
Solution:   Do not use the v: prefix.
diff --git a/src/evalvars.c b/src/evalvars.c
index f9b3c48..9f84d76 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -2068,8 +2068,8 @@
 {
     switch (nr)
     {
-	case VVAL_FALSE: return "v:false";
-	case VVAL_TRUE:  return "v:true";
+	case VVAL_FALSE: return in_vim9script() ? "false" : "v:false";
+	case VVAL_TRUE:  return in_vim9script() ? "true" : "v:true";
 	case VVAL_NONE:  return "v:none";
 	case VVAL_NULL:  return "v:null";
     }
diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index baac587..fa51224 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -182,7 +182,7 @@
   var res = execute('disass s:ScriptFuncPush')
   assert_match('<SNR>\d*_ScriptFuncPush.*' ..
         'localbool = true.*' ..
-        ' PUSH v:true.*' ..
+        ' PUSH true.*' ..
         'localspec = v:none.*' ..
         ' PUSH v:none.*' ..
         'localblob = 0z1234.*' ..
@@ -1461,7 +1461,7 @@
   var instr = execute('disassemble InvertBool')
   assert_match('InvertBool\_s*' ..
         'var flag = true\_s*' ..
-        '\d PUSH v:true\_s*' ..
+        '\d PUSH true\_s*' ..
         '\d STORE $0\_s*' ..
         'var invert = !flag\_s*' ..
         '\d LOAD $0\_s*' ..
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index e77c1f7..8fe0418 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1056,14 +1056,19 @@
       assert_equal('123 hello', 123 .. ' hello')
       assert_equal('123456', 123 .. 456)
 
-      assert_equal('av:true', 'a' .. true)
-      assert_equal('av:false', 'a' .. false)
+      assert_equal('atrue', 'a' .. true)
+      assert_equal('afalse', 'a' .. false)
       assert_equal('av:null', 'a' .. v:null)
       assert_equal('av:none', 'a' .. v:none)
       if has('float')
         assert_equal('a0.123', 'a' .. 0.123)
       endif
 
+      set digraph
+      assert_equal('val: true', 'val: ' .. &digraph)
+      set nodigraph
+      assert_equal('val: false', 'val: ' .. &digraph)
+
       assert_equal([1, 2, 3, 4], [1, 2] + [3, 4])
       assert_equal(0z11223344, 0z1122 + 0z3344)
       assert_equal(0z112201ab, 0z1122
diff --git a/src/version.c b/src/version.c
index b016c28..ceea277 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2262,
+/**/
     2261,
 /**/
     2260,