* inline: Use caching of inlined pages to speed up builds of inlines that
include feeds. Speedup of about 25% for small inlines; could be much
larger for inlines of many, or complex pages.
* inline: Use caching of inlined pages to speed up builds of inlines that
include feeds. Speedup of about 25% for small inlines; could be much
larger for inlines of many, or complex pages.