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Readme for the Emacs Code Browser (ECB) version 1.94 About ----- This package contains a code browser for several programming-languages for (X)Emacs. For instructions on how to use the browser read the online-help either with the shipped info-manual (see "Usage" below) or direct from the ECB-Homepage at http://ecb.sourceforge.net. The latest version can be found at: http://ecb.sourceforge.net Requirements ------------ ECB requires the following packages: - Semantic, author version between 1.4 and 1.4.9 (http://cedet.sourceforge.net/semantic.shtml) - Eieio, author version between 0.17 and 0.17.9 (http://cedet.sourceforge.net/eieio.shtml). - Optional: speedbar, author version 0.14beta1 or higher (http://cedet.sourceforge.net/eieio.shtml) This is only needed if the speedbar-integration of ECB is used or if non-semantic-sources should be parsed and displayed. - Optional: If Java code is edited the ECB works best when the JDE package (http://sunsite.auc.dk/jde) is installed. If you use XEmacs you must have the fsf-compat package installed (contains overlay.el). If you want to read the online-help of ECB in HTML-format you must have the library browse-url (part of the mail-lib XEmacs package) installed! Installation ------------ *IMPORTANT*: The following steps 1. to 8. describe installation tasks if you got the archive in the format available at the ECB website. If you use XEmacs and got ECB as regular XEmacs-package (e.g. downloaded and installed by the net-installer of XEmacs) then there is nothing to do for you, just start ECB with `ecb-activate' or read the online-help with `ecb-show-help'. 1. Unpack the ECB archive (probably you have already done this :-) 2. Install the required semantic- and eieio-version. *Note*: ECB maybe requires a newer version of these libraries than shipped with (X)Emacs. You have to install exactly a version ECB requires and also to make sure that the correct version is loaded into (X)Emacs! But ECB performs two automatic checks: - At load-time: It checks if the packages semantic and eieio are at least installed so ECB can be loaded. If not it offers to download and install them. - At start-time: It checks if the correct versions of semantic and eieio are installed and gives you proper feedback. So if you are not sure if you have installed the required packages at all or if you have installed the correct versions of these packages then do not worry about this, just go on with the following installation steps: If ECB is missing something it will give you proper feedback and support not later than at load-time or start-time! 3. Add the new ECB-directory to your `load-path' variable. You *MUST* add the ECB-install-directory to the `load-path' either by changing the `load-path' variable directly in your `.emacs' or `site-lisp/site-start.el' or by working with a file `subdirs.el'. *ATTENTION*: ECB is NOT properly installed if it's directory is not added to `load-path' and for example just loaded by (load-file "/path/to/ecb/ecb.el") Do not do this! 4. Load ECB by adding code to your `.emacs': If you want to load the complete ECB at (X)Emacs-loadtime (Advantage: All ECB-options available after loading ECB). Disadvantage: Increasing loadtime): (require 'ecb) If you want to load the ECB first after starting it by `ecb-activate' (Advantage: Fast loading. Disadvantage: ECB- and semantic-options first available after starting ECB): (require 'ecb-autoloads) This loads all available autoloads (e.g. `ecb-activate', `ecb-minor-mode', `ecb-show-help' or `ecb-byte-compile') of current ECB. 5. Restart (X)Emacs. ECB is now ready for use and can be activated by calling `M-x ecb-activate' or `ecb-minor-mode'. Now you can either starting using ECB or you can do these optional installation steps: 6. Reading the online help with `ecb-show-help' Maybe you are interested to read the online-help of ECB before first start. 7. Calling `ecb-byte-compile' This byte compiles ECB. You can safely ignore all messages. (You can also bytecompile ECB from the command-line either by using the `Makefile' or by using the batch-file `make.bat'. Just read the comments in that file you choose.) 8. Installing the supplied `ecb.info' The ECB distribution contains a subdirectory "info-help" which contains the online-help of ECB in Info-format. You can install this online help so it's available in the Top-directory of Info. There are two ways to do this: - Use "install-info" (recommended): 1. Copy the the files of the subdirectory "info-help" into the info-directory of Emacs 2. Install the file "info-help/ecb.info" with the command "install-info" (if available on your system) in the `dir'-file. The supplied `Makefile' offers a target `install-help' which does both of these steps. You have just to call `make install-help' with the correct EMACSINFOPATH set (see the comment in `Makefile'). Here is an example: make EMACSINFOPATH=/path/to/emacs/info install-help - Manual Installation: Copy the files of the subdirectory "info-help" into the info-directory of Emacs and modify the file `dir' manually. But it doesn't matter if you do not execute this step (8.) because the online help of ECB is always available though, see `ecb-show-help'. Usage ----- Call "M-x ecb-activate" to activated ECB. Call "M-x ecb-show-help" to get a detailed online-help for ECB. If you are using ECB the first time you should read the complete online help accurately! Contacts -------- Send comments, bug reports and improvement suggestions to: email@example.com