Merge remote-tracking branch 'upstream/master'

1 files changed, 29 insertions, 9 deletions

diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c
index 65c0e2464a..8de81f02df 100644
--- a/src/nvim/syntax.c
+++ b/src/nvim/syntax.c
@@ -5567,8 +5567,10 @@ bool syntax_present(win_T *win)
 
 
 static enum {
-  EXP_SUBCMD,       /* expand ":syn" sub-commands */
-  EXP_CASE          /* expand ":syn case" arguments */
+  EXP_SUBCMD,       // expand ":syn" sub-commands
+  EXP_CASE,         // expand ":syn case" arguments
+  EXP_SPELL,        // expand ":syn spell" arguments
+  EXP_SYNC          // expand ":syn sync" arguments
 } expand_what;
 
 /*
@@ -5612,6 +5614,10 @@ void set_context_in_syntax_cmd(expand_T *xp, const char *arg)
         xp->xp_context = EXPAND_NOTHING;
       } else if (STRNICMP(arg, "case", p - arg) == 0) {
         expand_what = EXP_CASE;
+      } else if (STRNICMP(arg, "spell", p - arg) == 0) {
+        expand_what = EXP_SPELL;
+      } else if (STRNICMP(arg, "sync", p - arg) == 0) {
+        expand_what = EXP_SYNC;
       } else if (STRNICMP(arg, "keyword", p - arg) == 0
                  || STRNICMP(arg, "region", p - arg) == 0
                  || STRNICMP(arg, "match", p - arg) == 0
@@ -5624,17 +5630,33 @@ void set_context_in_syntax_cmd(expand_T *xp, const char *arg)
   }
 }
 
-static char *(case_args[]) = {"match", "ignore", NULL};
-
 /*
  * Function given to ExpandGeneric() to obtain the list syntax names for
  * expansion.
  */
 char_u *get_syntax_name(expand_T *xp, int idx)
 {
-  if (expand_what == EXP_SUBCMD)
-    return (char_u *)subcommands[idx].name;
-  return (char_u *)case_args[idx];
+  switch (expand_what) {
+    case EXP_SUBCMD:
+        return (char_u *)subcommands[idx].name;
+    case EXP_CASE: {
+        static char *case_args[] = { "match", "ignore", NULL };
+        return (char_u *)case_args[idx];
+    }
+    case EXP_SPELL: {
+        static char *spell_args[] =
+        { "toplevel", "notoplevel", "default", NULL };
+        return (char_u *)spell_args[idx];
+    }
+    case EXP_SYNC: {
+        static char *sync_args[] =
+        { "ccomment", "clear", "fromstart",
+         "linebreaks=", "linecont", "lines=", "match",
+         "maxlines=", "minlines=", "region", NULL };
+        return (char_u *)sync_args[idx];
+    }
+  }
+  return NULL;
 }
 
 
@@ -6825,8 +6847,6 @@ int hl_combine_attr(int char_attr, int prim_attr)
   if (char_aep != NULL) {
     // Copy all attributes from char_aep to the new entry
     new_en = *char_aep;
-  } else {
-    memset(&new_en, 0, sizeof(new_en));
   }
 
   spell_aep = syn_cterm_attr2entry(prim_attr);