improve error message for unescape_string

halleysfifthinc · Apr 2, 2017 · f91182a · f91182a
1 parent ceb0674
commit f91182a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/base/strings/io.jl b/base/strings/io.jl
@@ -299,7 +299,8 @@ function unescape_string(io, s::AbstractString)
  i = j
  end
  if k == 1
- throw(ArgumentError("\\x used with no following hex digits in $(repr(s))"))
+ throw(ArgumentError("invalid $(m == 2 ? "hex (\\x)" :
+ "unicode (\\u)") escape sequence used in $(repr(s))"))
  end
  if m == 2 # \x escape sequence
  write(io, UInt8(n))