<\body> The following macros may be used in the main text for inserting entries into the index. <\explain|> Insert as a primary entry in the index. <\explain|> Insert in the index as a subentry of . <\explain|> Similar to but for subsubentries . <\explain|> Insert complex entries into the index. This feature is documented in detail in the section about . <\explain|> Adds to the index, by sorting it according to . The following macros may be redefined if you want to customize the rendering of the index: <\explain> <|explain> Macro for rendering an in the index on page(s) . The macro corresponds to principal entries, the macro to secondary entries, and so on. <\explain> <|explain> Similar to until , but without the page number(s). <\explain|> Macro for producing the dots between an index entry and the corresponding page number(s). <\initial> <\collection>