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<?xml version="1.0"?> |
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<?xml version="1.0"?> |
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<guide self="appendices/editor-configuration/emacs/"> |
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<guide self="appendices/editor-configuration/emacs/"> |
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<chapter> |
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<chapter> |
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<title>Configuring <c>GNU Emacs</c></title> |
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<title>Configuring GNU Emacs</title> |
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<body> |
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<body> |
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<section> |
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<title>UTF-8 support</title> |
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<p> |
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<p> |
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Emacs 21 has built-in Unicode support, and (fortunately) it supports |
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Emacs 21 has built-in Unicode support, and (fortunately) it supports |
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UTF-8 far better than UTF-16 and other variants. Some extensions to this |
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UTF-8 far better than UTF-16 and other variants. Some extensions to this |
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functionality are available in the package <c>app-emacs/mule-ucs</c>, although |
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functionality are available in the package <c>app-emacs/mule-ucs</c>, although |
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this is not necessary (and I would not recommend it unless absolutely |
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this is not necessary (and I would not recommend it unless absolutely |
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necessary, as the potential for unexpected bugs or quirky behaviour is |
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necessary, as the potential for unexpected bugs or quirky behaviour is |
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increased). |
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increased). The best solution is using Emacs 22 or higher as encoding |
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support has ben greatly improved |
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has been greatly improved |
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</p> |
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</p> |
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<p> |
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For specifying coding system to use on a per-file basis, the |
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For specifying coding system to use on a per-file basis, the |
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<c>modify-coding-system</c> function can be used. |
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<c>modify-coding-system</c> function can be used. |
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</p> |
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</p> |
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</section> |
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<section> |
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<title>Configuration tips and tricks</title> |
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<p> |
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Files must end with a newline, in order to let tools like <e>diff</e> |
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operate properly. To avoid accidental deletions, setting <e>(setq require-final-newline 'ask)</e> in your startup file will |
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automatically check for the existence of it and ask you to add one. |
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</p> |
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<p> |
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Other useful settings can be disabled backup files (by <e>(setq make-backup-files nil)</e>and <e>(setq vc-cvs-stay-local nil)</e>), |
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so you don't clutter CVS directories and confuse repoman with it (by adding unnecessary entries into |
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a Manifest file e.g.). Emacs can even contact the outside world by using the X servers clipboard abilities |
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when yanking, which is activated by <e>(setq x-select-enable-clipboard t)</e>. |
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</p> |
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</section> |
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<section> |
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<title>Gentoo specific additions</title> |
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<p> |
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For easy editing of ebuilds a Emacs mode has been created, which is |
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found in the package <e>app-emacs/ebuild-mode</e> (what surprise). |
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It supports ebuilds, eclasses and eselect files, highlights keywords |
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and also provides a hook for your own customisation. |
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</p> |
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</section> |
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<section> |
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<section> |
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<title>Further Reading</title> |
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<title>Further Reading</title> |
