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Epsilon User's Manual and Reference > Commands by Topic > Getting Help >

Web-based Epsilon Documentation

Epsilon's online manual is available in three formats:

  • You can read the manual in an Epsilon buffer using Info mode by pressing F1 f. See Info Mode.

  • Users running Microsoft Windows versions prior to Windows Vista can access the WinHelp version of the manual by pressing F1 w. See Getting Help for more information.

  • You can view the HTML version of the manual using a web browser by pressing F1 h.

To display the HTML manual, Epsilon starts a documentation server program. This is named lhelp.exe (or lhelpd in Unix). The documentation server runs in the background, hiding itself from view, and your web browser communicates with it on a special "port", as if it were a web server.

The documentation server must be running in order to serve documentation, so a bookmark to a page in the documentation will only work if the documentation server is running. You can press F1 h in Epsilon to ensure it's running. To force an instance of the documentation server to exit, invoke it again with the -q flag.

If your browser is configured to use a proxy, you will typically need to tell it not to use proxy settings for addresses starting with 127.0.0.1 so that it may connect to the local documentation server.

Epsilon for Unix uses a shell script named goto_url to run a browser. You can edit it if you prefer a different browser. Epsilon will first look for a customized copy of goto_url in your ~/.epsilon directory. If there is none, it will search for and invoke any customized copy of goto_url it finds on your path. Failing that, it will use the standard copy installed in Epsilon's bin directory. Epsilon for Windows uses the system's default browser.



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