fix: no "assertion failed" caused by unexpected block delimiter behin…

…d the literal line break in unfinished inline stack

corpus/issues.txt

@@ -0,0 +1,27 @@
+================================================================================
+#14 - Assertion failed caused by unexpected block delimiter behind the literal line break in unfinished inline stack
+================================================================================
+*
$$
+-:
+<<<*
$$
+-:
+<<<+-+-
+
+--------------------------------------------------------------------------------
+
+(document
+  (table
+    (table_header_row
+      (table_cell
+        (text)))
+    (table_delimiter_row
+      (table_column_alignment))
+    (table_data_row
+      (table_cell
+        (text)))
+    (table_data_row
+      (table_cell
+        (text)))
+    (table_data_row
+      (table_cell
+        (text)))))

src/tree_sitter_markdown/inline_scan.cc

@@ -99,9 +99,10 @@ Symbol scn_inl(Lexer &lxr, InlineDelimiterList &inl_dlms, InlineContextStack &in
           LexedIndex lbk_bgn_idx = lxr.cur_idx();
           if (scn_eol(lxr, blk_dlms, blk_ctx_stk)) {
             end_idx = lbk_bgn_idx;
-          } else {
-            assert(blk_dlms.back().sym() == SYM_LIT_LBK);
+          } else if (blk_dlms.back().sym() == SYM_LIT_LBK) {
             lxr.jmp_pos(blk_dlms.back().end_pos());
+          } else {
+            is_invalid = true;
           }
         } else if (lit_brk->sym() != SYM_LIT_LBK) {
           end_idx = lxr.cur_idx();