@@ -125,6 +125,37 @@ lxb_html_tree_insertion_mode_in_select_optgroup(lxb_html_tree_t *tree,
125125 return true;
126126}
127127
128+ lxb_inline bool
129+ lxb_html_tree_insertion_mode_in_select_hr (lxb_html_tree_t * tree ,
130+ lxb_html_token_t * token )
131+ {
132+ lxb_html_element_t * element ;
133+ lxb_dom_node_t * node = lxb_html_tree_current_node (tree );
134+ 135+ if (lxb_html_tree_node_is (node , LXB_TAG_OPTION )) {
136+ lxb_html_tree_open_elements_pop (tree );
137+ }
138+ 139+ node = lxb_html_tree_current_node (tree );
140+ 141+ if (lxb_html_tree_node_is (node , LXB_TAG_OPTGROUP )) {
142+ lxb_html_tree_open_elements_pop (tree );
143+ }
144+ 145+ element = lxb_html_tree_insert_html_element (tree , token );
146+ if (element == NULL ) {
147+ tree -> status = LXB_STATUS_ERROR_MEMORY_ALLOCATION ;
148+ 149+ return lxb_html_tree_process_abort (tree );
150+ }
151+ 152+ lxb_html_tree_open_elements_pop (tree );
153+ 154+ lxb_html_tree_acknowledge_token_self_closing (tree , token );
155+ 156+ return true;
157+ }
158+ 128159lxb_inline bool
129160lxb_html_tree_insertion_mode_in_select_optgroup_closed (lxb_html_tree_t * tree ,
130161 lxb_html_token_t * token )
@@ -319,6 +350,9 @@ lxb_html_tree_insertion_mode_in_select(lxb_html_tree_t *tree,
319350 case LXB_TAG_OPTGROUP :
320351 return lxb_html_tree_insertion_mode_in_select_optgroup (tree , token );
321352
353+ case LXB_TAG_HR :
354+ return lxb_html_tree_insertion_mode_in_select_hr (tree , token );
355+ 322356 case LXB_TAG_SELECT :
323357 return lxb_html_tree_insertion_mode_in_select_select (tree , token );
324358
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