Merge pull request #15234 from janlazo/vim-8.2.3164

vim-patch:8.2.{3164,3167,3192,3208,3213,3214,3225,3231,3243,3246,3247,3250,3253,3256,3260}

src/nvim/ex_getln.c

@@ -2267,7 +2267,7 @@ static int command_line_changed(CommandLineState *s)
     close_preview_windows();
     update_screen(SOME_VALID);  // Clear 'inccommand' preview.
   } else {
-    if (s->xpc.xp_context == EXPAND_NOTHING) {
+    if (s->xpc.xp_context == EXPAND_NOTHING && (KeyTyped || vpeekc() == NUL)) {
       may_do_incsearch_highlighting(s->firstc, s->count, &s->is_state);
     }
   }

src/nvim/globals.h

@@ -501,7 +501,7 @@ EXTERN volatile int full_screen INIT(= false);
 
 /// Non-zero when only "safe" commands are allowed, e.g. when sourcing .exrc or
 /// .vimrc in current directory.
-EXTERN int secure INIT(= false);
+EXTERN int secure INIT(= 0);
 
 /// Non-zero when changing text and jumping to another window/buffer is not
 /// allowed.

src/nvim/mbyte.c

@@ -73,9 +73,6 @@ struct interval {
 # include "unicode_tables.generated.h"
 #endif
 
-char_u e_loadlib[] = "E370: Could not load library %s";
-char_u e_loadfunc[] = "E448: Could not load library function %s";
-
 // To speed up BYTELEN(); keep a lookup table to quickly get the length in
 // bytes of a UTF-8 character from the first byte of a UTF-8 string.  Bytes
 // which are illegal when used as the first byte have a 1.  The NUL byte has

src/nvim/option.c

@@ -770,7 +770,7 @@ void free_all_options(void)
       }
     } else if (options[i].var != VAR_WIN && (options[i].flags & P_STRING)) {
       // buffer-local option: free global value
-      free_string_option(*(char_u **)options[i].var);
+      clear_string_option((char_u **)options[i].var);
     }
   }
 }

src/nvim/tag.c

@@ -2611,7 +2611,6 @@ static int jumpto_tag(
     int keep_help             // keep help flag (FALSE for cscope)
 )
 {
-  int save_secure;
   int save_magic;
   bool save_p_ws;
   int save_p_scs, save_p_ic;
@@ -2766,9 +2765,6 @@ static int jumpto_tag(
     curwin->w_set_curswant = true;
     postponed_split = 0;
 
-    save_secure = secure;
-    secure = 1;
-    ++sandbox;
     save_magic = p_magic;
     p_magic = false;            // always execute with 'nomagic'
     // Save value of no_hlsearch, jumping to a tag is not a real search
@@ -2866,21 +2862,26 @@ static int jumpto_tag(
        * of the line.  May need to correct that here. */
       check_cursor();
     } else {
-      curwin->w_cursor.lnum = 1;                /* start command in line 1 */
+      const int save_secure = secure;
+
+      // Setup the sandbox for executing the command from the tags file.
+      secure = 1;
+      sandbox++;
+      curwin->w_cursor.lnum = 1;  // start command in line 1
       do_cmdline_cmd((char *)pbuf);
       retval = OK;
+
+      // When the command has done something that is not allowed make sure
+      // the error message can be seen.
+      if (secure == 2) {
+        wait_return(true);
+      }
+      secure = save_secure;
+      sandbox--;
     }
 
-    /*
-     * When the command has done something that is not allowed make sure
-     * the error message can be seen.
-     */
-    if (secure == 2)
-      wait_return(TRUE);
-    secure = save_secure;
     p_magic = save_magic;
-    --sandbox;
-    /* restore no_hlsearch when keeping the old search pattern */
+    // restore no_hlsearch when keeping the old search pattern
     if (search_options) {
       set_no_hlsearch(save_no_hlsearch);
     }

src/nvim/testdir/test_functions.vim

@@ -1006,6 +1006,9 @@ func Test_Executable()
     if catcmd =~ '\<sbin\>' && result =~ '\<bin\>'
       call assert_equal('/' .. substitute(catcmd, '\<sbin\>', 'bin', ''), result)
     else
+      " /bin/cat and /usr/bin/cat may be hard linked, we could get either
+      let result = substitute(result, '/usr/bin/cat', '/bin/cat', '')
+      let catcmd = substitute(catcmd, 'usr/bin/cat', 'bin/cat', '')
       call assert_equal('/' .. catcmd, result)
     endif
     bwipe

src/nvim/testdir/test_spellfile.vim

@@ -210,6 +210,52 @@ func Test_spellfile_CHECKCOMPOUNDPATTERN()
   call delete('XtestCHECKCOMPOUNDPATTERN-utf8.spl')
 endfunc
 
+" Test NOCOMPOUNDSUGS (see :help spell-NOCOMPOUNDSUGS)
+func Test_spellfile_NOCOMPOUNDSUGS()
+  call writefile(['3',
+        \         'one/c',
+        \         'two/c',
+        \         'three/c'], 'XtestNOCOMPOUNDSUGS.dic')
+
+  " pass 0 tests without NOCOMPOUNDSUGS, pass 1 tests with NOCOMPOUNDSUGS
+  for pass in [0, 1]
+    if pass == 0
+      call writefile(['COMPOUNDFLAG c'], 'XtestNOCOMPOUNDSUGS.aff')
+    else
+      call writefile(['NOCOMPOUNDSUGS',
+          \           'COMPOUNDFLAG c'], 'XtestNOCOMPOUNDSUGS.aff')
+    endif
+
+    mkspell! XtestNOCOMPOUNDSUGS-utf8.spl XtestNOCOMPOUNDSUGS
+    set spell spelllang=XtestNOCOMPOUNDSUGS-utf8.spl
+
+    for goodword in ['one', 'two', 'three',
+          \          'oneone', 'onetwo',  'onethree',
+          \          'twoone', 'twotwo', 'twothree',
+          \          'threeone', 'threetwo', 'threethree',
+          \          'onetwothree', 'onethreetwo', 'twothreeone', 'oneoneone']
+      call assert_equal(['', ''], spellbadword(goodword), goodword)
+    endfor
+
+    for badword in ['four', 'onetwox', 'onexone']
+      call assert_equal([badword, 'bad'], spellbadword(badword))
+    endfor
+
+    if pass == 0
+      call assert_equal(['one', 'oneone'], spellsuggest('onne', 2))
+      call assert_equal(['onethree', 'one three'], spellsuggest('onethre', 2))
+    else
+      call assert_equal(['one', 'one one'], spellsuggest('onne', 2))
+      call assert_equal(['one three'], spellsuggest('onethre', 2))
+    endif
+  endfor
+
+  set spell& spelllang&
+  call delete('XtestNOCOMPOUNDSUGS.dic')
+  call delete('XtestNOCOMPOUNDSUGS.aff')
+  call delete('XtestNOCOMPOUNDSUGS-utf8.spl')
+endfunc
+
 " Test COMMON (better suggestions with common words, see :help spell-COMMON)
 func Test_spellfile_COMMON()
   call writefile(['7',