vim-patch:7.4.1900 (#5259)

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

28b942a064

src/nvim/ex_cmds.c

@@ -4563,12 +4563,15 @@ int find_help_tags(char_u *arg, int *num_matches, char_u ***matches, int keep_la
           break;
         }
 
-        /*
-         * If tag starts with ', toss everything after a second '. Fixes
-         * CTRL-] on 'option'. (would include the trailing '.').
-         */
-        if (*s == '\'' && s > arg && *arg == '\'')
+        // If tag starts with ', toss everything after a second '. Fixes
+        // CTRL-] on 'option'. (would include the trailing '.').
+        if (*s == '\'' && s > arg && *arg == '\'') {
           break;
+        }
+        // Also '{' and '}'. Fixes CTRL-] on '{address}'.
+        if (*s == '}' && s > arg && *arg == '{') {
+          break;
+        }
       }
       *d = NUL;
 

src/nvim/testdir/test_help_tagjump.vim

@@ -37,4 +37,14 @@ 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

src/nvim/version.c

@@ -376,7 +376,7 @@ static int included_patches[] = {
   // 1903,
   // 1902 NA
   // 1901 NA
-  // 1900,
+  1900,
   // 1899 NA
   1898,
   // 1897,