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Rating: 
Summary: Very good reference
Review: I liked the depth of examples in this book. Where the O'Reilly book "Learning GNU Emacs" gave an excellent introduction and overview, this book gave more involved examples. For example in the regexp-search-replace, this book showed the use of \( and \) for grouping and \1 \2 \3 for where to place the each group in the replacement string. If your are new to Emacs, get the O'Reilly book; then get this book next.
Rating:
Summary: Very good reference
Review: I liked the depth of examples in this book. Where the O'Reilly book "Learning GNU Emacs" gave an excellent introduction and overview, this book gave more involved examples. For example in the regexp-search-replace, this book showed the use of \( and \) for grouping and \1 \2 \3 for where to place the each group in the replacement string. If your are new to Emacs, get the O'Reilly book; then get this book next.
Rating: 
Summary: More cookbook-like, reference-like
Review: This has a good explanation of regular expression search/replace and the Emacs regexp syntax. It also has a lot of little tidbits not in the O'Reilly book (which is still a better starting place). It's a bit older though (1992) and has chapters on Fortran and Pascal modes so a lot of trees are dying for nothing <g>.I bought this after reading all of the O'Reilly book and most of the O'Reilly "Writing GNU Emacs Extension" and have only gotten a few new things out of it, so it's good for completists like myself. One of the neat things I learned were: when you C-x C-f to open a file, rather than backspacing to erase the path Emacs provided you can just type two slashes (//) and then the path to the file you want (of course C-a C-k would work too, but I want choice, damnit! :-) The organization is also very different than the O'Reilly book; for example there is a whole chapter on "Administering Emacs" (how to find the parts of it on your system), a huge chapter that is nothing but a command reference (with keybindings), and "how to edit" happens in only three chapters, with the following chapters each devoted to specific things (except for the "Miscellaneous" chapter). The print quality is not the best, if that matters to you, but it is a sizable book and a decent desktop reference.
Rating:
Summary: More cookbook-like, reference-like
Review: This has a good explanation of regular expression search/replace and the Emacs regexp syntax. It also has a lot of little tidbits not in the O'Reilly book (which is still a better starting place). It's a bit older though (1992) and has chapters on Fortran and Pascal modes so a lot of trees are dying for nothing .I bought this after reading all of the O'Reilly book and most of the O'Reilly "Writing GNU Emacs Extension" and have only gotten a few new things out of it, so it's good for completists like myself. One of the neat things I learned were: when you C-x C-f to open a file, rather than backspacing to erase the path Emacs provided you can just type two slashes (//) and then the path to the file you want (of course C-a C-k would work too, but I want choice, damnit! :-) The organization is also very different than the O'Reilly book; for example there is a whole chapter on "Administering Emacs" (how to find the parts of it on your system), a huge chapter that is nothing but a command reference (with keybindings), and "how to edit" happens in only three chapters, with the following chapters each devoted to specific things (except for the "Miscellaneous" chapter). The print quality is not the best, if that matters to you, but it is a sizable book and a decent desktop reference.
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