3 files changed, 33 insertions, 6 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua
index f399b90a4..dfba13b4a 100644
--- a/scripts/context/lua/mtxrun.lua
+++ b/scripts/context/lua/mtxrun.lua
@@ -3435,8 +3435,10 @@ local unicode = unicode
 
 utf = utf or unicode.utf8
 
-local concat, utfchar, utfgsub = table.concat, utf.char, utf.gsub
+local concat = table.concat
+local utfchar, utfbyte, utfgsub = utf.char, utf.byte, utf.gsub
 local char, byte, find, bytepairs, utfvalues, format = string.char, string.byte, string.find, string.bytepairs, string.utfvalues, string.format
+local type = type
 
 local utfsplitlines = string.utfsplitlines
 
@@ -3648,6 +3650,14 @@ function unicode.utfcodes(str)
     return concat(t,separator or " ")
 end
 
+function unicode.ustring(s)
+    return format("U+%05X",type(s) == "number" and s or utfbyte(s))
+end
+
+function unicode.xstring(s)
+    return format("0x%05X",type(s) == "number" and s or utfbyte(s))
+end
+
 
 local lpegmatch = lpeg.match
 local utftype = lpeg.patterns.utftype
@@ -3659,7 +3669,6 @@ end
 
 
 
-
 end -- of closure
 
 do -- create closure to overcome 200 locals limit
diff --git a/scripts/context/stubs/mswin/mtxrun.lua b/scripts/context/stubs/mswin/mtxrun.lua
index f399b90a4..dfba13b4a 100644
--- a/scripts/context/stubs/mswin/mtxrun.lua
+++ b/scripts/context/stubs/mswin/mtxrun.lua
@@ -3435,8 +3435,10 @@ local unicode = unicode
 
 utf = utf or unicode.utf8
 
-local concat, utfchar, utfgsub = table.concat, utf.char, utf.gsub
+local concat = table.concat
+local utfchar, utfbyte, utfgsub = utf.char, utf.byte, utf.gsub
 local char, byte, find, bytepairs, utfvalues, format = string.char, string.byte, string.find, string.bytepairs, string.utfvalues, string.format
+local type = type
 
 local utfsplitlines = string.utfsplitlines
 
@@ -3648,6 +3650,14 @@ function unicode.utfcodes(str)
     return concat(t,separator or " ")
 end
 
+function unicode.ustring(s)
+    return format("U+%05X",type(s) == "number" and s or utfbyte(s))
+end
+
+function unicode.xstring(s)
+    return format("0x%05X",type(s) == "number" and s or utfbyte(s))
+end
+
 
 local lpegmatch = lpeg.match
 local utftype = lpeg.patterns.utftype
@@ -3659,7 +3669,6 @@ end
 
 
 
-
 end -- of closure
 
 do -- create closure to overcome 200 locals limit
diff --git a/scripts/context/stubs/unix/mtxrun b/scripts/context/stubs/unix/mtxrun
index f399b90a4..dfba13b4a 100644
--- a/scripts/context/stubs/unix/mtxrun
+++ b/scripts/context/stubs/unix/mtxrun
@@ -3435,8 +3435,10 @@ local unicode = unicode
 
 utf = utf or unicode.utf8
 
-local concat, utfchar, utfgsub = table.concat, utf.char, utf.gsub
+local concat = table.concat
+local utfchar, utfbyte, utfgsub = utf.char, utf.byte, utf.gsub
 local char, byte, find, bytepairs, utfvalues, format = string.char, string.byte, string.find, string.bytepairs, string.utfvalues, string.format
+local type = type
 
 local utfsplitlines = string.utfsplitlines
 
@@ -3648,6 +3650,14 @@ function unicode.utfcodes(str)
     return concat(t,separator or " ")
 end
 
+function unicode.ustring(s)
+    return format("U+%05X",type(s) == "number" and s or utfbyte(s))
+end
+
+function unicode.xstring(s)
+    return format("0x%05X",type(s) == "number" and s or utfbyte(s))
+end
+
 
 local lpegmatch = lpeg.match
 local utftype = lpeg.patterns.utftype
@@ -3659,7 +3669,6 @@ end
 
 
 
-
 end -- of closure
 
 do -- create closure to overcome 200 locals limit