October 1, 1979 INTRODUCTION
OVERVIEW
OTYPE should be used to get a printout of the file as it
appears online, reflecting the current Viewing Specifications
Viewspecs Online Display (_________) (see ______________ below).
Hypertext ____________
A FRESS file can be given capabilities for non-linear travel,
information retrieval, and sophisticated online display.
Hypertext These facilities are all derived from _________, special text
created by various editing commands, not entered literally.
Structure Hypertext (_________) gives a file the framework necessary for
elaborate manipulation. Rather than scanning for literal text,
particular types of Hypertext can be retrieved, enabling
non-linear travel through the file. Hypertext is also used to
Blocks selectively retrieve ______ of text (see below). The different
types of Hypertext do not appear in the formatted printout (except
for Decimal Labels) and can optionally be suppressed online:
Labels ______: A Label is simply a location in the file to which the
user has chosen to give a name of up to sixteen characters
(see MLABEL). GLABEL is used to move display to exactly the
Labeled point in the file. These Labels should be used to
access standard or important places in the file, regardless
of how much editing is done.
Blocks ______: Arbitrarily long chunks of text can be grouped into
logical units called Blocks. When MBLOCK is issued, the text
specified is surrounded with special Hypertext characters.
This Block can then be manipulated as a single unit, greatly
simplifying an operation such as moving (see the Block
qualifier in Section 5.5). It is also possible to travel
from one end of the Block to the other using JUMP. A Block
Decimal Label may also contain a ______________ (section number) that
appears in formatted output (see IDBLOCK, MDBLOCK). The
Decimal Label is dynamically updated when Decimal Blocks are
rearranged. Furthermore, Hypertext references to these
Tags Blocks called ____, are dynamically updated if the number of
the Decimal Block changes. Decimal Blocks may be imbedded
several levels deep, but are easily distinguished online when
the proper viewing specifications are set (see SVIEW).
Blocks may also be coded for boolean retrieval and/or for
selective online viewing (e.g., some Blocks can be made
"invisible" -- see SKDISPLAY).
Jumps/Splices _____________: It is possible to piece together separate
parts of the same file or separate files with conditional
Jumps and Splices (see MJUMP, MSPLICE). Two points are
logically connected (both for editing or for formatting) when

Not sequentially (line-by-line).
6 -- Section 1.3anual Release 9.1
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