New design on LEL that's way more sane and allows for more flexible columns and rows.

lel_parser.rl

@@ -10,15 +10,11 @@ namespace lel {
 
   action token {tk = input.substr(start - begin, fpc - start); }
 
-  action col { }
-  action ltab { cur.row = rows; }
+  action col {}
+  action ltab { grid.push_back(Row()); }
   action valign { cur.bottom = fc == '.'; }
   action id { id(input.substr(start - begin, fpc - start)); }
-  action row {
-    rows++;
-    columns = std::max(columns, cur.col);
-    cur.col = 0;
-  }
+  action row { cur.col = 0; cur.row++; }
   action align { cur.right = fc == '>'; }
   action setwidth {cur.max_w = std::stoi(tk); }
   action setheight { cur.max_h = std::stoi(tk); }