Vim 8.2.4747 patch reverting 8.2.1703 to fix vim-syntax-bind-named

diff --git a/src/highlight.c b/src/highlight.c
index 6add298b0..b6b2be721 100644
--- a/src/highlight.c
+++ b/src/highlight.c
@@ -75,7 +75,6 @@ typedef struct
     char_u *sg_gui_sp_name;// GUI special color name
 #endif
     int        sg_link;    // link to this highlight group ID
-    int        sg_deflink; // default link; restored in highlight_clear()
     int        sg_set;     // combination of SG_* flags
 #ifdef FEAT_EVAL
     sctx_T sg_deflink_sctx;  // script where the default link was set
@@ -644,7 +643,6 @@ highlight_group_link(
 {
     int        from_id;
     int        to_id;
-    hl_group_T *hlgroup = NULL;

     from_id = syn_check_group(from_hg, from_len);
     if (STRNCMP(to_hg, "NONE", 4) == 0)
@@ -652,20 +650,7 @@ highlight_group_link(
     else
    to_id = syn_check_group(to_hg, to_len);

-    if (from_id > 0)
-    {
-   hlgroup = &HL_TABLE()[from_id - 1];
-   if (dodefault && (forceit || hlgroup->sg_deflink == 0))
-   {
-       hlgroup->sg_deflink = to_id;
-#ifdef FEAT_EVAL
-       hlgroup->sg_deflink_sctx = current_sctx;
-       hlgroup->sg_deflink_sctx.sc_lnum += SOURCING_LNUM;
-#endif
-   }
-    }
-
-    if (from_id > 0 && (!init || hlgroup->sg_set == 0))
+    if (from_id > 0 && (!init || HL_TABLE()[from_id - 1].sg_set == 0))
     {
    // Don't allow a link when there already is some highlighting
    // for the group, unless '!' is used
@@ -675,20 +660,20 @@ highlight_group_link(
        if (SOURCING_NAME == NULL && !dodefault)
        emsg(_(e_group_has_settings_highlight_link_ignored));
    }
-   else if (hlgroup->sg_link != to_id
+   else if (HL_TABLE()[from_id - 1].sg_link != to_id
 #ifdef FEAT_EVAL
-       || hlgroup->sg_script_ctx.sc_sid != current_sctx.sc_sid
+       || HL_TABLE()[from_id - 1].sg_script_ctx.sc_sid != current_sctx.sc_sid
 #endif
-       || hlgroup->sg_cleared)
+       || HL_TABLE()[from_id - 1].sg_cleared)
    {
        if (!init)
-       hlgroup->sg_set |= SG_LINK;
-       hlgroup->sg_link = to_id;
+       HL_TABLE()[from_id - 1].sg_set |= SG_LINK;
+       HL_TABLE()[from_id - 1].sg_link = to_id;
 #ifdef FEAT_EVAL
-       hlgroup->sg_script_ctx = current_sctx;
-       hlgroup->sg_script_ctx.sc_lnum += SOURCING_LNUM;
+       HL_TABLE()[from_id - 1].sg_script_ctx = current_sctx;
+       HL_TABLE()[from_id - 1].sg_script_ctx.sc_lnum += SOURCING_LNUM;
 #endif
-       hlgroup->sg_cleared = FALSE;
+       HL_TABLE()[from_id - 1].sg_cleared = FALSE;
        redraw_all_later(SOME_VALID);

        // Only call highlight_changed() once after multiple changes.
@@ -1884,8 +1869,6 @@ highlight_clear(int idx)
     VIM_CLEAR(HL_TABLE()[idx].sg_font_name);
     HL_TABLE()[idx].sg_gui_attr = 0;
 #endif
-    // Restore default link and context if they exist. Otherwise clears.
-    HL_TABLE()[idx].sg_link = HL_TABLE()[idx].sg_deflink;
 #ifdef FEAT_EVAL
     // Since we set the default link, set the location to where the default
     // link was set.
@@ -4192,9 +4175,6 @@ highlight_get_info(int hl_idx, int resolve_link)
    link = HL_TABLE()[sgp->sg_link - 1].sg_name;
    if (link != NULL && dict_add_string(dict, "linksto", link) == FAIL)
        goto error;
-
-   if (sgp->sg_deflink)
-       dict_add_bool(dict, "default", VVAL_TRUE);
     }
     if (dict_len(dict) == 2)
    // If only 'name' is present, then the highlight group is cleared.