Web pages and macros

Web pages: nothing to report.

Macros:

p.320. "The following details are very complete;". Better "The following explanation is very detailed;"

p.329. ownloading should be Downloading.

p.330. Fig 310 should be Fig 311.

p.331 Fig 305 should be Fig 312.

p.334. Fig 301 should be Fig 315.

I find this chapter a little too detailed and advanced for a Getting Started guide. If I were reviewing it, I would delete one or two paragraphs so as not to frighten the novices. However, it's a bit late for that now.