Patch 8.0.0092
Problem:    C indenting does not support nested namespaces that C++ 17 has.
Solution:   Add check that passes double colon inside a name. (Pauli, closes
            #1214)
Files:      src/misc1.c, src/testdir/test3.in, src/testdir/test3.ok


*** ../vim-8.0.0091/src/misc1.c 2016-10-12 14:19:55.746357751 +0200
--- src/misc1.c 2016-11-17 21:21:03.040128865 +0100
***************
*** 5762,5767 ****
--- 5762,5768 ----
  {
      char_u    *p;
      int               has_name = FALSE;
+     int               has_name_start = FALSE;
  
      s = cin_skipcomment(s);
      if (STRNCMP(s, "namespace", 9) == 0 && (s[9] == NUL || 
!vim_iswordc(s[9])))
***************
*** 5780,5789 ****
--- 5781,5798 ----
            }
            else if (vim_iswordc(*p))
            {
+               has_name_start = TRUE;
                if (has_name)
                    return FALSE; /* word character after skipping past name */
                ++p;
            }
+           else if (p[0] == ':' && p[1] == ':' && vim_iswordc(p[2]))
+           {
+               if (!has_name_start || has_name)
+                   return FALSE;
+               /* C++ 17 nested namespace */
+               p += 3;
+           }
            else
            {
                return FALSE;
*** ../vim-8.0.0091/src/testdir/test3.in        2015-11-10 13:56:14.000000000 
+0100
--- src/testdir/test3.in        2016-11-17 21:16:53.861790464 +0100
***************
*** 1932,1937 ****
--- 1932,1957 ----
  {
    111111111111111111;
  }
+ namespace test::cpp17
+ {
+   111111111111111111;
+ }
+ namespace ::incorrectcpp17
+ {
+   111111111111111111;
+ }
+ namespace test::incorrectcpp17::
+ {
+   111111111111111111;
+ }
+ namespace test:incorrectcpp17
+ {
+   111111111111111111;
+ }
+ namespace test:::incorrectcpp17
+ {
+   111111111111111111;
+ }
  namespace{
    111111111111111111;
  }
*** ../vim-8.0.0091/src/testdir/test3.ok        2015-11-10 13:56:40.000000000 
+0100
--- src/testdir/test3.ok        2016-11-17 21:16:53.861790464 +0100
***************
*** 1730,1735 ****
--- 1730,1755 ----
  {
  111111111111111111;
  }
+ namespace test::cpp17
+ {
+ 111111111111111111;
+ }
+ namespace ::incorrectcpp17
+ {
+       111111111111111111;
+ }
+ namespace test::incorrectcpp17::
+ {
+       111111111111111111;
+ }
+ namespace test:incorrectcpp17
+ {
+       111111111111111111;
+ }
+ namespace test:::incorrectcpp17
+ {
+       111111111111111111;
+ }
  namespace{
  111111111111111111;
  }
*** ../vim-8.0.0091/src/version.c       2016-11-17 19:44:56.627678988 +0100
--- src/version.c       2016-11-17 21:18:59.916949760 +0100
***************
*** 766,767 ****
--- 766,769 ----
  {   /* Add new patch number below this line */
+ /**/
+     92,
  /**/

-- 
Due knot trussed yore spell chequer two fined awl miss steaks.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
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