@@ -22,17 +22,17 @@ Table of contents
2222* [Preliminaries](#preliminaries)
2323* [Taxonomy of optics](#taxonomy-of-optics)
2424 * [Lenses](#lenses)
25− * [By name](#by-name-1)
25+ * [By name](#by-name)
2626 * [By position](#by-position)
27− * [By type](#by-type-1)
27+ * [By type](#by-type)
2828 * [By structure](#by-structure)
2929 * [Traversals](#traversals)
30− * [By type](#by-type-2)
30+ * [By type](#by-type-1)
3131 * [By parameter](#by-parameter)
3232 * [By constraint](#by-constraint)
3333 * [Prisms](#prisms)
34− * [By name](#by-name-2)
35− * [By type](#by-type-3)
34+ * [By name](#by-name-1)
35+ * [By type](#by-type-2)
3636* [Contributors](#contributors)
3737
3838# Preliminaries