General Purpose XML Processing Post: 303026310

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Top Forums UNIX for Beginners Questions & Answers General Purpose XML Processing Post 303026310 by bakunin on Saturday 24th of November 2018 02:46:05 AM

11-24-2018

Registered User

Quote:

Originally Posted by rahuldaso

what is the main difference beetween html and xml?

XML is the principle of using markup - "tags" - to denote special parts of a text put into a standardised format: tags are denoted "<tagname>", etc.. (there would be other ways of marking up text, like:

Code:

This is normal text [italic=on]but[italic=off] the last word was different.

which is also using the markup-principle but is not XML.)

HTML is one very specific variety of XML, with a fixed set of tags that can occur and a fixed order of tags that have to be there:

Code:

<body>....</body>
<head>....</head>

would be an error in HTML because the head-tag has to come before the body-tag. In XML this would be perfectly OK because there is no such rule. In fact there is no list of tags which are allowed and no prescribed structure they are allowed to have like there is in HTML.

So, in short: every HTML text is a valid XML text too, but not every XML has to be calid HTML.

I hope this helps.

bakunin

bakunin

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evolvotron_mutate

EVOLVOTRON_MUTATE(1)						    Evolvotron						      EVOLVOTRON_MUTATE(1)

NAME

       evolvotron_mutate - Render an evolvotron function tree to an image.

SYNOPSIS

       evolvotron_mutate < function_in.xml > function_out.xml

       evolvotron_mutate -g > function_out.xml

DESCRIPTION

       evolvotron_mutate either mutates an existing image function (saved to an XML file), or (with the -g option) creates a new image function.

       The mutation parameters and function weightings are the same as used by evolvotron in its default reset state.

       See the evolvotron user manual (accessible from the evolvotron application's Help menu) for more information on image functions.

COMMANDLINE OPTIONS

       -g   Specifies that no function should be read from standard input.  The output function is created at random.

EXAMPLES

       evolvotron_mutate -g | tee function0.xml | evolvotron_render function0.ppm

       evolvtron_mutate < function0.xml > function1.xml

AUTHOR

       evolvotron_mutate  was written by Tim Day (www.timday.com) and is released under the conditions of the GNU General Public License.  See the
       file LICENSE supplied with the source code for details.

SEE ALSO

       evolvotron(1), evolvotron_render(1)

www.timday.com							    25 Feb 2004 					      EVOLVOTRON_MUTATE(1)