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.TH "sisu_faq" "1" "2007-09-16" "0.59.1" "SiSU"
.SH
SISU \- FAQ \- FREQUENTLY ASKED/ANSWERED QUESTIONS,
RALPH AMISSAH
.BR

.SH
1. FAQ \- FREQUENTLY ASKED/ANSWERED QUESTIONS
.BR

.SH
1.1 WHY ARE URLS PRODUCED WITH THE \-V (AND \-U) FLAG THAT POINT TO A WEB
SERVER ON PORT 8081?

.BR
Try the following rune:

.BR
* sisu \-W

.BR
This should start the ruby webserver. It should be done after having produced
some output as it scans the output directory for what to serve.

.SH
1.2 I CANNOT FIND MY OUTPUT, WHERE IS IT?

.BR
The following should provide help on output paths:

.BR
* sisu \-\-help env

.BR
* sisu \-V \ [same \ as \ the \ previous \ command]

.BR
* sisu \-\-help directory

.BR
* sisu \-\-help path

.BR
* sisu \-U \ [filename]

.BR
* man sisu

.SH
1.3 I DO NOT GET ANY PDF OUTPUT, WHY?

.BR
.B SiSU
produces LaTeX and pdflatex is run against that to generate pdf files.

.BR
If you use
.B Debian
the following will install the required dependencies

.BR
* aptitude install sisu\-pdf

.BR
the following packages are required: tetex\-bin, tetex\-extra, latex\-ucs

.SH
1.4 WHERE IS THE LATEX (OR SOME OTHER INTERIM) OUTPUT?

.BR
Try adding \-M (for maintenance) to your command flags, e.g.:

.BR
* sisu \-HpMv \ [filename]

.BR
this should result in the interim processing output being retained, and
information being provided on where to find it.

.BR
* sisu \-\-help directory

.BR
* sisu \-\-help path

.BR
should also provide some relevant information as to where it is placed.

.SH
1.5 WHY ISN\'T SISU MARKUP XML

.BR
I worked with text and (though I find XML immensely valuable) disliked noise
\... better to sidestep the question and say:

.BR
.B SiSU
currently \"understands\" three XML input representations \- or more
accurately, converts from three forms of XML to native
.B SiSU
markup for processing. The three types correspond to SAX (structure
described), DOM (structure embedded, whole document must be read before
structure is correctly discernable) and node based (a tree) forms of XML
document structure representation. Problem is I use them very seldom and check
that all is as it should be with them seldom, so I would not be surprised if
something breaks there, but as far as I know they are working. I will check and
add an XML markup help page before the next release. There already is a bit of
information in the man page under the title
.B SiSU
VERSION CONVERSION

.BR
  sisu \-\-to\-sax \ [filename/wildcard]

.BR
  sisu \-\-to\-dom \ [filename/wildcard]

.BR
  sisu \-\-to\-node \ [filename/wildcard]

.BR
The XML should be well formed... must check, but lacks sensible headers.
Suggestions welcome as to what to make of them. \ [For \ the \ present \ time \
I \ am \ satisfied \ that \ I \ can \ convert \ (both \ ways) \ between \ 3 \
forms \ of \ XML \ representation \ and
.B \ SiSU
\ markup].

.BR
  sisu \-\-from\-xml2sst \ [filename/wildcard]

.SH
1.6 LATEX CLAIMS TO BE A DOCUMENT PREPARATION SYSTEM FOR HIGH\-QUALITY
TYPESETTING. CAN THE SAME BE SAID ABOUT SISU?

.BR
.B SiSU
is not really about type\-setting.

.BR
LaTeX is the ultimate computer instruction type\-setting language for paper
based publication.

.BR
LaTeX is able to control just about everything that happens on page and pixel,
position letters kerning, space variation between characters, words, paragraphs
etc. formula.

.BR
.B SiSU
is not really about type\-setting at all. It is about a lightweight markup
instruction that provides enough information for an abstraction of the
documents structure and objects, from which different forms of representation
of the document can be generated.

.BR
.B SiSU
with very little markup instruction is able to produce relatively high
quality pdf by virtue of being able to generate usable default LaTeX; it
produces \"quality\" html by generating the html directly; likewise it
populates an SQL database in a useful way with the document in object sized
chunks and its meta\-data. But
.B SiSU
works on an abstraction of the document\'s structure and content and custom
builds suitable uniform output. The html for browser viewing and pdf for paper
viewing/publishing are rather different things with different needs for layout
\- as indeed is what is needed to store information in a database in searchable
objects.

.BR
The pdfs or html produced for example by open office based on open document
format and other office/word processor suits usually attempt to have similar
looking outputs \- your document rendered in html looks much the same, or in
pdf... sisu is less this way, it seeks to have a starting point with as little
information about appearance as possible, and to come up with the best possible
appearance for each output that can be derived based on this minimal
information.

.BR
Where there are large document sets, it provides consistency in appearance in
each output format for the documents.

.BR
The excuse for going this way is, it is a waste of time to think much about
appearance when working on substantive content, it is the substantive content
that is relevant, not the way it looks beyond the basic informational tags \-
and yet you want to be able to take advantage of as many useful different ways
of representing documents as are available, and for various types of output to
to be/look as good as it can for each medium/format in which it is presented,
(with different mediums having different focuses) and
.B SiSU
tries to achieve this from minimal markup.

.SH
1.7 HOW DO I CREATE GIN OR GIST INDEX IN POSTGRESQL FOR USE IN SISU

.BR
This at present needs to be done \"manually\" and it is probably necessary to
alter the sample search form. The following is a helpful response from one of
the contributors of GiN to Postgresql Oleg Bartunov 2006\-12\-06:

.BR
\"I have tsearch2 slides which introduces tsearch2
<http://www.sai.msu.su/~megera/wiki/tsearch2slides>

.BR
FTS in PostgreSQL is provided by tsearch2, which should works without any
indices (GiST or GIN) ! Indices provide performance, not functionality.

.BR
In your example I\'d do ( simple way, just for demo):

.BR
.B 0.
compile, install tsearch2 and load tsearch2 into your database

.BR
  cd contrib/tsearch2; make&&make&&install&&make installcheck; psql DB &lt;
  tsearch2.sql

.BR
.B 1.
Add column fts, which holds tsvector

.BR
  alter table documents add column fts tsvector;

.BR
.B 2.
Fill fts column

.BR
  update document set fts = to_tsvector(clean);

.BR
.B 3.
create index \- just for performance !

.BR
  create index fts_gin_idx on document using gin(fts);

.BR
.B 4.
Run vacuum

.BR
  vacuum analyze document;

.BR
That\'s all.

.BR
Now you can search:

.BR
select lid, metadata_tid, rank_cd(fts, q,2)as rank from document,
plainto_tsquery(\'markup syntax\') q where q @@ fts order by rank desc limit
10;

.SH
1.8 WHERE IS VERSION 1.0?

.BR
.B SiSU
works pretty well as it is supposed to. Version 1.0 will have the current
markup, and directory structure. At this point it is largely a matter of choice
as to when the name change is made.

.BR
The feature set for html,[^1] LaTeX/pdf and opendocument is in place. XML, and
plaintext are in order.

.BR
html and LaTeX/pdf may be regarded as reference copy outputs

.BR
With regard to the populating of sql databases (postgresql and sqlite), there
is a bit to be done.

.BR
We are still almost there.

.SH
DOCUMENT INFORMATION (METADATA)
.BR

.SH
METADATA
.BR

.BR
Document Manifest @
<http://www.jus.uio.no/sisu/sisu_manual/sisu_faq/sisu_manifest.html>

.BR
.B Dublin Core
(DC)

.BR
.I DC tags included with this document are provided here.

.BR
DC Title:
.I SiSU \- FAQ \- Frequently Asked/Answered Questions

.BR
DC Creator:
.I Ralph Amissah

.BR
DC Rights:
.I Copyright (C) Ralph Amissah 2007, part of SiSU documentation, License GPL
3

.BR
DC Type:
.I information

.BR
DC Date created:
.I 2006\-09\-06

.BR
DC Date available:
.I 2006\-09\-06

.BR
DC Date issued:
.I 2006\-09\-06

.BR
DC Date modified:
.I 2007\-09\-16

.BR
DC Date:
.I 2007\-09\-16

.BR
.B Version Information

.BR
Sourcefile:
.I sisu_faq.sst

.BR
Filetype:
.I SiSU text 0.57

.BR
Sourcefile Digest, MD5(sisu_faq.sst)=
.I 41577c9fc063cd232914a1a11a59e91a

.BR
Skin_Digest:
MD5(/home/ralph/grotto/theatre/dbld/builds/sisu/sisu/data/doc/sisu/sisu_markup_samples/sisu_manual/_sisu/skin/doc/skin_sisu_manual.rb)=
.I 20fc43cf3eb6590bc3399a1aef65c5a9

.BR
.B Generated

.BR
Document (metaverse) last generated:
.I Tue Sep 25 02:54:46 +0100 2007

.BR
Generated by:
.I SiSU
.I 0.59.1
of 2007w39/2 (2007\-09\-25)

.BR
Ruby version:
.I ruby 1.8.6 (2007\-06\-07 patchlevel 36) \ [i486\-linux]

.TP
.BI 1.
html w3c compliance has been largely met.

.TP
Other versions of this document:
.TP
manifest: <http://www.jus.uio.no/sisu/sisu_faq/sisu_manifest.html>
.TP
html: <http://www.jus.uio.no/sisu/sisu_faq/toc.html>
.TP
pdf: <http://www.jus.uio.no/sisu/sisu_faq/portrait.pdf>
.TP
pdf: <http://www.jus.uio.no/sisu/sisu_faq/landscape.pdf>
." .TP
." manpage: http://www.jus.uio.no/sisu/sisu_faq/sisu_faq.1
.TP
at: <http://www.jus.uio.no/sisu>
.TP
.TP
* Generated by: SiSU 0.59.1 of 2007w39/2 (2007-09-25)
.TP
* Ruby version: ruby 1.8.6 (2007-06-07 patchlevel 36) [i486-linux]
.TP
* Last Generated on: Tue Sep 25 02:54:51 +0100 2007
.TP
* SiSU http://www.jus.uio.no/sisu