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  1. Chapter 11, pg. 293 includes the following text: "When appending data to a file, you normally want each piece of data to be written on its own line, so each submission should conclude with the appropriate line break for the operating system of the computer running PHP. This would be ■ \n on Unix and Mac OS X ■ \r\n on Windows" I'm pretty sure this is the first time the distinction between \n for Unix/Max and \r\n for Windows is mentioned in this book. Does this mean that \n wouldn't work on a Windows-based server? Could someone please elaborate on this?
  2. My question is mainly regarding Chapter 11, sub-chapter "Understanding HTTP Headers", Pg. 357 - but it also includes more general basic question. There's a line on Pg. 357: "Before getting to the example, note that if a script uses multiple header( ) calls, each should be terminated by a newline (\n) as in the preceding code snippets." Why? (The reason isn't explained in the book.) Also. I see that Larry is using \n quite liberally in his code. I want to understand the reasons. One of them, probably the main one, I guess, is to make the resulting HTML code more readable.
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