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- How to understand the cross-links in ASCII files
- ================================================
-
- PC-Hypertext is a hypertext system allowing users to browse <file56 METHODS>
- through networks of information in non-linear ways.
-
- PC-Hypertext uses information in angle brackets, such as <file2 CALLS>, to
- indicate jumps to other files or programs. This format makes all links
- traceable on paper as well as in the program.
-
- PC-Hypertext includes two methods to select angle-bracket links. They are:
-
- Up/Down Arrows -- Move a text highlighter to the next or previous
- ============== cross-reference. Press Enter or F4 to display file
- <file0 START>. Press F3 to return to the previous file.
-
- Plus/Minus Keys -- Move a text highlight across each line of text. If the
- =============== line selected contains an angle bracket jump, press
- Enter or F4 to display that file. More <file0A>
-
- That covers the methods of selecting and making cross-reference jumps in
- ASCII files. From the viewpoint of a developer of hypertext systems, there
- are several ways to put the actual angle brackets in the ASCII files.
-
- While I prefer to embed cross-references, other ways to include links are:
-
- Left-margin -- The left margin in scholarly work often contains
- =========== layers of cross-references and margin commentary
- notes. See more <file5>
-
- Embedded links -- Cross-reference links can be directly embedded in the
- ============== text. See more <file6>
-
- Leading links -- Putting the cross-reference links at the beginning of
- ============= key files helps users select only the information
- components needed. Read about star hypertext <file33>
-
- Right-margin -- As the ASCII display in PC-hypertext supports text
- ============ widths up to 255 columns, the angle bracket
- cross-references to ideas can be place off the screen.
- For example, CD-ROMs are important. <file20>
-
- Footnote links -- If the angle brackets interfere with reading, use a
- ============== numbered reference (a) to the footnote jump at the end
- of the file. See footnotes.
-
-
- Footnotes -------------------------------------------------------------
- (1) Example of a footnote link. See <file14> for more information
-
- Neil Larson 1/10/87 FILE1
- Copyright MaxThink 1988 -- Call (415)-428-0104 for permission to reprint