diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Revision history for skylighting and skylighting-core
 
+## 0.10.0.1
+
+  * Fix identifier detection in non-ASCII context (#110).
+
 ## 0.10
 
   * Add instructions for submitting patches upstream to KDE (#106).
diff --git a/skylighting-core.cabal b/skylighting-core.cabal
--- a/skylighting-core.cabal
+++ b/skylighting-core.cabal
@@ -1,5 +1,5 @@
 name:                skylighting-core
-version:             0.10
+version:             0.10.0.1
 synopsis:            syntax highlighting library
 description:         Skylighting is a syntax highlighting library.
                      It derives its tokenizers from XML syntax
diff --git a/src/Skylighting/Tokenizer.hs b/src/Skylighting/Tokenizer.hs
--- a/src/Skylighting/Tokenizer.hs
+++ b/src/Skylighting/Tokenizer.hs
@@ -495,9 +495,10 @@
 detectIdentifier :: ByteString -> TokenizerM Text
 detectIdentifier inp = do
   case BS.uncons inp of
-    Just (c, t) | isLetter c || c == '_' ->
+    Just (c, t) | (isAscii c && isLetter c) || c == '_' ->
       takeChars $ 1 + maybe (BS.length t) id
-                (BS.findIndex (\d -> not (isAlphaNum d || d == '_')) t)
+                (BS.findIndex (\d -> isAscii d &&
+                                     not (isAlphaNum d || d == '_')) t)
     _ -> mzero
 
 lineContinue :: ByteString -> TokenizerM Text
diff --git a/test/test-skylighting.hs b/test/test-skylighting.hs
--- a/test/test-skylighting.hs
+++ b/test/test-skylighting.hs
@@ -110,6 +110,8 @@
     , testGroup "Regression tests" $
       let perl = maybe (error "could not find Perl syntax") id
                              (lookupSyntax "Perl" sMap)
+          html = maybe (error "could not find HTML syntax") id
+                             (lookupSyntax "html" sMap)
           cpp  = maybe (error "could not find CPP syntax") id
                              (lookupSyntax "cpp" sMap)
           c    = maybe (error "could not find C syntax") id
@@ -170,6 +172,11 @@
       , testCase "c very long integer (#81)" $ Right
            [ [ (DecValTok, "1111111111111111111111") ]
            ] @=? tokenize defConfig c "1111111111111111111111"
+
+      , testCase "Chinese characters in HTML (#110)" $ Right
+          [ [ ( NormalTok , "\35797\65306" ) , ( KeywordTok , "<a>" ) ]
+          ] @=? tokenize defConfig html "试：<a>"
+
       ]
     ]