User Guide

GNU Image Manipulation Program
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The ‘Cover Texts’ are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that
says that the Document is released under this License. A Front-Cover Text may be at most 5 words, and a Back-Cover Text may
be at most 25 words.
A ‘Transparent’ copy of the Document means a machine-readable copy, represented in a format whose specification is available to
the general public, that is suitable for revising the document straightforwardly with generic text editors or (for images composed
of pixels) generic paint programs or (for drawings) some widely available drawing editor, and that is suitable for input to text
formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise
Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification
by readers is not Transparent. An image format is not Transparent if used for any substantial amount of text. A copy that is not
‘Transparent’ is called ‘Opaque’.
Examples of suitable formats for Transparent copies include plain ASCII without markup, Texinfo input format, LaTeX input
format, SGML or XML using a publicly available DTD, and standard-conforming simple HTML, PostScript or PDF designed for
human modification. Examples of transparent image formats include PNG, XCF and JPG. Opaque formats include proprietary
formats that can be read and edited only by proprietary word processors, SGML or XML for which the DTD and/or processing
tools are not generally available, and the machine-generated HTML, PostScript or PDF produced by some word processors for
output purposes only.
The ‘Title Page’ means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the
material this License requires to appear in the title page. For works in formats which do not have any title page as such, ‘Title
Page’ means the text near the most prominent appearance of the work’s title, preceding the beginning of the body of the text.
A section ‘Entitled XYZ’ means a named subunit of the Document whose title either is precisely XYZ or contains XYZ in
parentheses following text that translates XYZ in another language. (Here XYZ stands for a specific section name mentioned
below, such as ‘Acknowledgements’, ‘Dedications’, ‘Endorsements’, or ‘History’.) To ‘Preserve the Title’ of such a section
when you modify the Document means that it remains a section ‘Entitled XYZ’ according to this definition.
The Document may include Warranty Disclaimers next to the notice which states that this License applies to the Document. These
Warranty Disclaimers are considered to be included by reference in this License, but only as regards disclaiming warranties: any
other implication that these Warranty Disclaimers may have is void and has no effect on the meaning of this License.
C.3 VERBATIM COPYING
You may copy and distribute the Document in any medium, either commercially or noncommercially, provided that this License,
the copyright notices, and the license notice saying this License applies to the Document are reproduced in all copies, and that
you add no other conditions whatsoever to those of this License. You may not use technical measures to obstruct or control the
reading or further copying of the copies you make or distribute. However, you may accept compensation in exchange for copies.
If you distribute a large enough number of copies you must also follow the conditions in section3.
You may also lend copies, under the same conditions stated above, and you may publicly display copies.
C.4 COPYING IN QUANTITY
If you publish printed copies (or copies in media that commonly have printed covers) of the Document, numbering more than
100, and the Document’s license notice requires Cover Texts, you must enclose the copies in covers that carry, clearly and legibly,
all these Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the back cover. Both covers must also
clearly and legibly identify you as the publisher of these copies. The front cover must present the full title with all words of the
title equally prominent and visible. You may add other material on the covers in addition. Copying with changes limited to the
covers, as long as they preserve the title of the Document and satisfy these conditions, can be treated as verbatim copying in other
respects.
If the required texts for either cover are too voluminous to fit legibly, you should put the first ones listed (as many as fit reasonably)
on the actual cover, and continue the rest onto adjacent pages.
If you publish or distribute Opaque copies of the Document numbering more than 100, you must either include a machine-
readable Transparent copy along with each Opaque copy, or state in or with each Opaque copy a computer-network location from
which the general network-using public has access to download using public-standard network protocols a complete Transparent