October 1, 1979 INTRODUCTION
OVERVIEW
different file by using the defer character and defer separator
(see Section 3).
File Structure _________________
A FRESS file is organized into several system-defined regions
Spaces called ______ (accessible using DSPACE). The Text Space is where
all the text for a document resides (with any Hypertext the file
may contain). The Keyword, Label, and Structure Spaces are
effectively Hypertext directories. They exist for the convenience
of the user in manipulating various forms of Hypertext and allow
examination of the file on a higher level than a scan through the
text itself would yield. Hypertext in these Spaces may be edited
directly. This "inverse editing" is useful for making easy or
global Hypertext changes. There is also an Annotation Space where
comments on the main text can be put (e.g., footnotes). When this
facility is used, the user can easily examine these annotations as
a group and optionally decide to print them as footnotes, or not
to print them at all (see SKANNOTATION). The Annotation Space can
also be used for making comments (annotations) while browsing
online. These comments will be referenced in the Text Space with
a special Tag.
Similar to the Text Space is the permanent Work Space where the
user can put sections, or bits of text separate from the Text
Space. With this facility, chunks of text that appear in multiple
places in the file can easily be copied from one location. The
Work Space can also serve as a collection point, as the user roams
through the file moving or copying bits of information to group
together elsewhere or to be temporarily stored in the Work Space.
The Text, Annotation, and Work Spaces are called Main Spaces
because literal text and/or Hypertext can be located there.
Figure 1.1 illustrates how a file is organized. Hypertext is
shown as it would appear, while periods (".") indicate regular
text. The arrows indicate how JUMP can be used to travel between
Spaces. It should also be noted that the "END OF..." lines
delimit each Space. They cannot be deleted, or traveled over.
can However, the "***AREA**" lines in the Structure Space ___ be
crossed using TYPE. The arrows between Spaces illustrate how JUMP
can be used for non-linear travel from one Space to another.
8 -- Section 1.3anual Release 9.1
October 1, 1979 INTRODUCTION
OVERVIEW

*START OF TEXT AREA*..... ***AREA***
%L(top).................. %L(top)
......................... %< '1' $all;key$(block)
......................... %< '1.1' (two)
......................... %L(aries)%> '1.1'
......................... %T"key"%> '1'
%< '1' $all;key$(block)..
>.........................<--->
.........................
.........................
.........%< '1.1' (two)..
.........................
...........%L(aries).....
.........................
..%> '1.1' ...%T"key"...
...............%> '1' ...
.........................
*END OF TEXT AREA*
***AREA***
%L(an-top)............... %L(an-top)
%<"key"...%>........... %<"key"%>
.........................
>.........................<--->
.........................
.........................
*END OF ANNOTATION SPACE*
***AREA***
*START OF WORK AREA*.....
%L(work)................. %L(work)
.........................
>.........................<--->
.........................
.........................
*END OF WORK SPACE* *END OF STRUCTURE SPACE*





an-top aries all 1 %<
block top key 2 %< 1 %T
two work
<


***END OF LABELS*** *END OF KEYWORDS*

Figure 1.1 -- System-Defined Spaces ___________________________________
FRESS Resource Manualnual Release 9.1 Section 1.3 -- 9
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