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authorbors <bors@rust-lang.org>2016-08-02 02:30:17 -0700
committerGitHub <noreply@github.com>2016-08-02 02:30:17 -0700
commit97d5be98191038f24bf3c98f772cbf1662486581 (patch)
tree137c07941bf9ee92fb4f00d58c8b95d99ab6bcef /src/libstd/sys
parent34d14e7eed48c755a660224266e2c86669cf5483 (diff)
parentbb6c27e74d08b78709b6fb87f5cb149f4366ccb6 (diff)
downloadrust-97d5be98191038f24bf3c98f772cbf1662486581.tar.gz
rust-97d5be98191038f24bf3c98f772cbf1662486581.zip
Auto merge of #35084 - tbu-:pr_lowercase_wtf8_debug, r=brson
Escape the unmatched surrogates with lower-case hexadecimal numbers

It's done the same way for the rest of the codepoint escapes.
Diffstat (limited to 'src/libstd/sys')
-rw-r--r--src/libstd/sys/common/wtf8.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/sys/common/wtf8.rs b/src/libstd/sys/common/wtf8.rs
index c0e6ec46b55..c1b4f8a8c88 100644
--- a/src/libstd/sys/common/wtf8.rs
+++ b/src/libstd/sys/common/wtf8.rs
@@ -408,7 +408,7 @@ impl fmt::Debug for Wtf8 {
                             &self.bytes[pos .. surrogate_pos]
                         )},
                     )?;
-                    write!(formatter, "\\u{{{:X}}}", surrogate)?;
+                    write!(formatter, "\\u{{{:x}}}", surrogate)?;
                     pos = surrogate_pos + 3;
                 }
             }
@@ -1066,7 +1066,7 @@ mod tests {
     fn wtf8buf_show() {
         let mut string = Wtf8Buf::from_str("a\té \u{7f}💩\r");
         string.push(CodePoint::from_u32(0xD800).unwrap());
-        assert_eq!(format!("{:?}", string), "\"a\\té \\u{7f}\u{1f4a9}\\r\\u{D800}\"");
+        assert_eq!(format!("{:?}", string), "\"a\\té \\u{7f}\u{1f4a9}\\r\\u{d800}\"");
     }
 
     #[test]