* `%links` lists the names of each page that a page links to, in an array
reference.
-* `%renderedfiles` contains the name of the file rendered by a page.
+* `%renderedfiles` lists names of the files rendered by a page, in an array
+ reference.
* `%pagesources` contains the name of the source file for a page.
+Also, the %IkiWiki::version variable contains the version number for the
+ikiwiki program.
+
### Library functions
#### `hook(@)`
If the destination directory doesn't exist, it will first be created.
+### `will_render($$)`
+
+Given a page name and a destination file name (not including the base
+destination directory), register that the page will result in that file
+being rendered. It's important to call this before writing to any file in
+the destination directory.
+
#### `pagetype($)`
Given the name of a source file, returns the type of page it is, if it's