patch 7.4.1900

Problem:    Using CTRL-] in the help on "{address}." doesn't work.
Solution:   Recognize an item in {}. (Hirohito Higashi, closes #814)

src/ex_cmds.c

@@ -6216,6 +6216,9 @@ find_help_tags(
 	     */
 	    if (*s == '\'' && s > arg && *arg == '\'')
 		break;
+	    /* Also '{' and '}'. */
+	    if (*s == '}' && s > arg && *arg == '{')
+		break;
 	  }
 	  *d = NUL;
 

src/testdir/test_help_tagjump.vim

@@ -25,6 +25,16 @@ func Test_help_tagjump()
   call assert_equal("help", &filetype)
   call assert_true(getline('.') =~ '\*arglistid()\*')
   helpclose
+
+  exec "help! 'autoindent'."
+  call assert_equal("help", &filetype)
+  call assert_true(getline('.') =~ "\\*'autoindent'\\*")
+  helpclose
+
+  exec "help! {address}."
+  call assert_equal("help", &filetype)
+  call assert_true(getline('.') =~ '\*{address}\*')
+  helpclose
 endfunc
 
 let s:langs = ['en', 'ab', 'ja']

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1900,
 /**/
     1899,
 /**/