XML Topic Maps: Creating and Using Topic Maps for the Web

Dessert

In this section, you'll learn about the following element:

<mergeMap>

This is only one more element, number 14 out of the 19 total elements, but it's a very important one. So let's say that when you finish this section, you will know 85 percent of what you need to know to start topic mapping.

The <mergeMap> element makes two or more topic maps into one topic map. In our topic map future, merging has allowed those Tolkien fans to merge their individual topic maps into a single giant shrine, with base names in English, Elvish, and so on.

Here, working on a smaller scale, we just need two topic maps to merge. Through a sophisticated analytical process we've made up another topic map that has the tomato topic in it—the actual recipe for ...