Merge pull request #14554 from JuliaLang/nl/unicodeerror

Fix parentheses in two UnicodeError messages

base/unicode/UnicodeError.jl

@@ -7,7 +7,7 @@ const UTF_ERR_CONT              = "invalid UTF-8 sequence starting at index <<1>
 const UTF_ERR_LONG              = "invalid UTF-8 sequence, overlong encoding starting at index <<1>> (0x<<2>>)"
 const UTF_ERR_NOT_LEAD          = "not a leading Unicode surrogate code unit at index <<1>> (0x<<2>>)"
 const UTF_ERR_NOT_TRAIL         = "not a trailing Unicode surrogate code unit at index <<1>> (0x<<2>>)"
-const UTF_ERR_NOT_SURROGATE     = "not a valid Unicode surrogate code unit at index <<1>> (0x<<2>>"
+const UTF_ERR_NOT_SURROGATE     = "not a valid Unicode surrogate code unit at index <<1>> (0x<<2>>)"
 const UTF_ERR_MISSING_SURROGATE = "missing trailing Unicode surrogate code unit after index <<1>> (0x<<2>>)"
 const UTF_ERR_INVALID           = "invalid Unicode character starting at index <<1>> (0x<<2>> > 0x10ffff)"
 const UTF_ERR_SURROGATE         = "surrogate encoding not allowed in UTF-8 or UTF-32, at index <<1>> (0x<<2>>)"