update from texinfo

[gnulib.git] / lib / unistr / u16-prev.c

diff --git a/lib/unistr/u16-prev.c b/lib/unistr/u16-prev.c
index 3beecf0..40304d9 100644 (file)
--- a/lib/unistr/u16-prev.c
+++ b/lib/unistr/u16-prev.c
@@ -1,5 +1,5 @@
 /* Iterate over previous character in UTF-16 string.
-   Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2011 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or modify it
@@ -29,25 +29,25 @@ u16_prev (ucs4_t *puc, const uint16_t *s, const uint16_t *start)
       uint16_t c_1 = s[-1];
 
       if (c_1 < 0xd800 || c_1 >= 0xe000)
-       {
-         *puc = c_1;
-         return s - 1;
-       }
+        {
+          *puc = c_1;
+          return s - 1;
+        }
 #if CONFIG_UNICODE_SAFETY
       if (c_1 >= 0xdc00)
 #endif
-       if (s - 1 != start)
-         {
-           uint16_t c_2 = s[-2];
+        if (s - 1 != start)
+          {
+            uint16_t c_2 = s[-2];
 
 #if CONFIG_UNICODE_SAFETY
-           if (c_2 >= 0xd800 && c_2 < 0xdc00)
+            if (c_2 >= 0xd800 && c_2 < 0xdc00)
 #endif
-             {
-               *puc = 0x10000 + ((c_2 - 0xd800) << 10) + (c_1 - 0xdc00);
-               return s - 2;
-             }
-         }
+              {
+                *puc = 0x10000 + ((c_2 - 0xd800) << 10) + (c_1 - 0xdc00);
+                return s - 2;
+              }
+          }
     }
   return NULL;
 }