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## Write the Requirements and Design Specs

Before you get started you should make yourself familiar with the tags that are used to write your documentation. For tips on editing SGML files in emacs, see the section called “OpenACS Documentation Guide”.

It's time to document. For the tutorial we'll use pre-written documentation. When creating a package from scratch, start by copying the documentation template from `/var/lib/aolserver/openacs-dev/packages/acs-core-docs/xml/docs/xml/package-documentation-template.xml` to `myfirstpackage/www/docs/xml/index.xml`.

You then edit that file with emacs to write the requirements and design sections, generate the html, and start coding. Store any supporting files, like page maps or schema diagrams, in the `www/doc/xml` directory, and store png or jpg versions of supporting files in the `www/doc` directory.

For this tutorial, you should instead install the pre-written documentation files for the tutorial app. Log in as $OPENACS_SERVICE_NAME, create the standard directories, and copy the prepared documentation:

    [$OPENACS_SERVICE_NAME $OPENACS_SERVICE_NAME]$ cd /var/lib/aolserver/$OPENACS_SERVICE_NAME/packages/myfirstpackage/
    [$OPENACS_SERVICE_NAME myfirstpackage]$ mkdir -p www/doc/xml
    [$OPENACS_SERVICE_NAME myfirstpackage]$ cd www/doc/xml
    [$OPENACS_SERVICE_NAME xml]$ cp /var/lib/aolserver/$OPENACS_SERVICE_NAME/packages/acs-core-docs/www/files/myfirstpackage/* .
    [$OPENACS_SERVICE_NAME xml]$

OpenACS uses DocBook for documentation. DocBook is an XML standard for semantic markup of documentation. That means that the tags you use indicate meaning, not intended appearance. The style sheet will determine appearance. You will edit the text in an xml file, and then process the file into html for reading.

Open the file `index.xml` in emacs. Examine the file. Find the version history (look for the tag `<revhistory>`). Add a new record to the document version history. Look for the `<authorgroup>` tag and add yourself as a second author. Save and exit.

Process the xml file to create html documentation. The html documentation, including supporting files such as pictures, is stored in the `www/docs/` directory. A Makefile is provided to generate html from the xml, and copy all of the supporting files. If Docbook is set up correctly, all you need to do is:

    [$OPENACS_SERVICE_NAME xml]$ make
    cd .. ; /usr/bin/xsltproc ../../../acs-core-docs/www/xml/openacs.xsl xml/index.xml
    Writing requirements-introduction.html for chapter(requirements-introduction)
    Writing requirements-overview.html for chapter(requirements-overview)
    Writing requirements-cases.html for chapter(requirements-cases)
    Writing sample-data.html for chapter(sample-data)
    Writing requirements.html for chapter(requirements)
    Writing design-data-model.html for chapter(design-data-model)
    Writing design-ui.html for chapter(design-ui)
    Writing design-config.html for chapter(design-config)
    Writing design-future.html for chapter(design-future)
    Writing filename.html for chapter(filename)
    Writing user-guide.html for chapter(user-guide)
    Writing admin-guide.html for chapter(admin-guide)
    Writing bi01.html for bibliography
    Writing index.html for book
    [$OPENACS_SERVICE_NAME xml]$

Verify that the documentation was generated and reflects your changes by browsing to `http://yoursite:8000/myfirstpackage/doc`

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