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authorJörg Frings-Fürst <debian@jff.email>2018-03-07 05:54:53 +0100
committerJörg Frings-Fürst <debian@jff.email>2018-03-07 05:54:53 +0100
commit76ef1d8e3249e82a6965fd17157bee00a7857ff3 (patch)
tree7d3d34b059039faf525d1e95bbdc1945a9fa103c /doc/libunistring_18.html
parent0cb66c451a1a4e717878b8296b79c8d7cfd38b30 (diff)
parent93e8e16be294d19261c7378dd2e46d3f35f06926 (diff)
Merge branch 'feature/upstream' into develop
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diff --git a/doc/libunistring_18.html b/doc/libunistring_18.html
index 92da25dd..baf80b98 100644
--- a/doc/libunistring_18.html
+++ b/doc/libunistring_18.html
@@ -1,6 +1,6 @@
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<html>
-<!-- Created on November, 30 2017 by texi2html 1.78a -->
+<!-- Created on February, 28 2018 by texi2html 1.78a -->
<!--
Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author)
Karl Berry <karl@freefriends.org>
@@ -11,10 +11,10 @@ Send bugs and suggestions to <texi2html-bug@nongnu.org>
-->
<head>
-<title>GNU libunistring: A. Licenses</title>
+<title>GNU libunistring: A. The wchar_t mess</title>
-<meta name="description" content="GNU libunistring: A. Licenses">
-<meta name="keywords" content="GNU libunistring: A. Licenses">
+<meta name="description" content="GNU libunistring: A. The wchar_t mess">
+<meta name="keywords" content="GNU libunistring: A. The wchar_t mess">
<meta name="resource-type" content="document">
<meta name="distribution" content="global">
<meta name="Generator" content="texi2html 1.78a">
@@ -42,8 +42,8 @@ ul.toc {list-style: none}
<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
<table cellpadding="1" cellspacing="1" border="0">
-<tr><td valign="middle" align="left">[<a href="libunistring_17.html#SEC67" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
-<td valign="middle" align="left">[<a href="libunistring_19.html#SEC77" title="Next chapter"> &gt;&gt; </a>]</td>
+<tr><td valign="middle" align="left">[<a href="libunistring_17.html#SEC80" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
+<td valign="middle" align="left">[<a href="libunistring_19.html#SEC82" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
@@ -51,1478 +51,67 @@ ul.toc {list-style: none}
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="libunistring.html#SEC_Top" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="libunistring.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
-<td valign="middle" align="left">[<a href="libunistring_19.html#SEC77" title="Index">Index</a>]</td>
+<td valign="middle" align="left">[<a href="libunistring_20.html#SEC91" title="Index">Index</a>]</td>
<td valign="middle" align="left">[<a href="libunistring_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<hr size="2">
-<a name="Licenses"></a>
-<a name="SEC68"></a>
-<h1 class="appendix"> <a href="libunistring.html#TOC68">A. Licenses</a> </h1>
+<a name="The-wchar_005ft-mess"></a>
+<a name="SEC81"></a>
+<h1 class="appendix"> <a href="libunistring.html#TOC81">A. The <code>wchar_t</code> mess</a> </h1>
-<p>The files of this package are covered by the licenses indicated in each
-particular file or directory. Here is a summary:
-</p>
-<ul>
-<li>
-The <code>libunistring</code> library and its header files are dual-licensed under
-&quot;the GNU LGPLv3+ or the GNU GPLv2&quot;. This means, you can use it under either
-<ul class="toc">
-<li> -
-the terms of the GNU Lesser General Public License (LGPL) version 3 or
-(at your option) any later version, or
-</li><li> -
-the terms of the GNU General Public License (GPL) version 2, or
-</li><li> -
-the same dual license &quot;the GNU LGPLv3+ or the GNU GPLv2&quot;.
-</li></ul>
-<p>You find the GNU LGPL version 3 in <a href="#SEC74">GNU LESSER GENERAL PUBLIC LICENSE</a>. This license is
-based on the GNU GPL version 3, see <a href="#SEC69">GNU GENERAL PUBLIC LICENSE</a>.
-<br>
-You can find the GNU GPL version 2 at
-<a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.html">https://www.gnu.org/licenses/old-licenses/gpl-2.0.html</a>.
-<br>
-Note: This dual license makes it possible for the <code>libunistring</code> library
-to be used by packages under GPLv2 or GPLv2+ licenses, in particular. See
-the table in <a href="https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility">https://www.gnu.org/licenses/gpl-faq.html#AllCompatibility</a>.
-</p>
-
-</li><li>
-This manual is free documentation. It is dually licensed under the
-GNU FDL and the GNU GPL. This means that you can redistribute this
-manual under either of these two licenses, at your choice.
-<br>
-This manual is covered by the GNU FDL. Permission is granted to copy,
-distribute and/or modify this document under the terms of the
-GNU Free Documentation License (FDL), either version 1.2 of the
-License, or (at your option) any later version published by the
-Free Software Foundation (FSF); with no Invariant Sections, with no
-Front-Cover Text, and with no Back-Cover Texts.
-A copy of the license is included in <a href="#SEC75">GNU Free Documentation License</a>.
-<br>
-This manual is covered by the GNU GPL. You can redistribute it and/or
-modify it under the terms of the GNU General Public License (GPL), either
-version 3 of the License, or (at your option) any later version published
-by the Free Software Foundation (FSF).
-A copy of the license is included in <a href="#SEC69">GNU GENERAL PUBLIC LICENSE</a>.
-</li></ul>
-
-
-
-<hr size="6">
-<a name="GNU-GPL"></a>
-<a name="SEC69"></a>
-<h2 class="appendixsec"> <a href="libunistring.html#TOC69">A.1 GNU GENERAL PUBLIC LICENSE</a> </h2>
-<p align="center"> Version 3, 29 June 2007
-</p>
-
-<table><tr><td>&nbsp;</td><td><pre class="display">Copyright &copy; 2007 Free Software Foundation, Inc. <a href="http://fsf.org/">http://fsf.org/</a>
-
-Everyone is permitted to copy and distribute verbatim copies of this
-license document, but changing it is not allowed.
-</pre></td></tr></table>
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-<a name="SEC70"></a>
-<h2 class="heading"> Preamble </h2>
-
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-<h2 class="heading"> END OF TERMS AND CONDITIONS </h2>
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-<a name="SEC73"></a>
-<h2 class="heading"> How to Apply These Terms to Your New Programs </h2>
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-<p>If you develop a new program, and you want it to be of the greatest
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-<table><tr><td>&nbsp;</td><td><pre class="smallexample"><var>one line to give the program's name and a brief idea of what it does.</var>
-Copyright (C) <var>year</var> <var>name of author</var>
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-
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-<a name="GNU-LGPL"></a>
-<a name="SEC74"></a>
-<h2 class="appendixsec"> <a href="libunistring.html#TOC70">A.2 GNU LESSER GENERAL PUBLIC LICENSE</a> </h2>
-<p align="center"> Version 3, 29 June 2007
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-<table><tr><td>&nbsp;</td><td><pre class="display">Copyright &copy; 2007 Free Software Foundation, Inc. <a href="http://fsf.org/">http://fsf.org/</a>
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-<hr size="6">
-<a name="GNU-FDL"></a>
-<a name="SEC75"></a>
-<h2 class="appendixsec"> <a href="libunistring.html#TOC71">A.3 GNU Free Documentation License</a> </h2>
-<p align="center"> Version 1.3, 3 November 2008
-</p>
-
-<table><tr><td>&nbsp;</td><td><pre class="display">Copyright &copy; 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
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-
-Everyone is permitted to copy and distribute verbatim copies
-of this license document, but changing it is not allowed.
-</pre></td></tr></table>
-
-<ol>
+<p>The ISO C and POSIX standard creators made an attempt to fix the first
+problem mentioned in the section <a href="libunistring_1.html#SEC6">&lsquo;<samp>char *</samp>&rsquo; strings</a>. They introduced
+</p><ul>
<li>
-PREAMBLE
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+a type &lsquo;<samp>wchar_t</samp>&rsquo;, designed to encapsulate an entire character,
</li><li>
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-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 &ldquo;Transparent&rdquo; is called &ldquo;Opaque&rdquo;.
-</p>
-<p>Examples of suitable formats for Transparent copies include plain
-<small>ASCII</small> without markup, Texinfo input format, LaTeX input
-format, <acronym>SGML</acronym> or <acronym>XML</acronym> using a publicly available
-<acronym>DTD</acronym>, and standard-conforming simple <acronym>HTML</acronym>,
-PostScript or <acronym>PDF</acronym> designed for human modification. Examples
-of transparent image formats include <acronym>PNG</acronym>, <acronym>XCF</acronym> and
-<acronym>JPG</acronym>. Opaque formats include proprietary formats that can be
-read and edited only by proprietary word processors, <acronym>SGML</acronym> or
-<acronym>XML</acronym> for which the <acronym>DTD</acronym> and/or processing tools are
-not generally available, and the machine-generated <acronym>HTML</acronym>,
-PostScript or <acronym>PDF</acronym> produced by some word processors for
-output purposes only.
-</p>
-<p>The &ldquo;Title Page&rdquo; 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, &ldquo;Title Page&rdquo; means
-the text near the most prominent appearance of the work's title,
-preceding the beginning of the body of the text.
-</p>
-<p>The &ldquo;publisher&rdquo; means any person or entity that distributes copies
-of the Document to the public.
-</p>
-<p>A section &ldquo;Entitled XYZ&rdquo; 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 &ldquo;Acknowledgements&rdquo;,
-&ldquo;Dedications&rdquo;, &ldquo;Endorsements&rdquo;, or &ldquo;History&rdquo;.) To &ldquo;Preserve the Title&rdquo;
-of such a section when you modify the Document means that it remains a
-section &ldquo;Entitled XYZ&rdquo; according to this definition.
-</p>
-<p>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.
-</p>
+a &ldquo;wide string&rdquo; type &lsquo;<samp>wchar_t *</samp>&rsquo;, and
</li><li>
-VERBATIM COPYING
-
-<p>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 section 3.
-</p>
-<p>You may also lend copies, under the same conditions stated above, and
-you may publicly display copies.
-</p>
-</li><li>
-COPYING IN QUANTITY
-
-<p>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.
-</p>
-<p>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.
-</p>
-<p>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 copy of the Document, free of added material.
-If you use the latter option, you must take reasonably prudent steps,
-when you begin distribution of Opaque copies in quantity, to ensure
-that this Transparent copy will remain thus accessible at the stated
-location until at least one year after the last time you distribute an
-Opaque copy (directly or through your agents or retailers) of that
-edition to the public.
-</p>
-<p>It is requested, but not required, that you contact the authors of the
-Document well before redistributing any large number of copies, to give
-them a chance to provide you with an updated version of the Document.
-</p>
-</li><li>
-MODIFICATIONS
+functions declared in <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html"><code>&lt;wctype.h&gt;</code></a> that were meant to supplant the
+ones in <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/ctype.h.html"><code>&lt;ctype.h&gt;</code></a>.
+</li></ul>
-<p>You may copy and distribute a Modified Version of the Document under
-the conditions of sections 2 and 3 above, provided that you release
-the Modified Version under precisely this License, with the Modified
-Version filling the role of the Document, thus licensing distribution
-and modification of the Modified Version to whoever possesses a copy
-of it. In addition, you must do these things in the Modified Version:
+<p>Unfortunately, this API and its implementation has numerous problems:
</p>
-<ol>
+<ul>
<li>
-Use in the Title Page (and on the covers, if any) a title distinct
-from that of the Document, and from those of previous versions
-(which should, if there were any, be listed in the History section
-of the Document). You may use the same title as a previous version
-if the original publisher of that version gives permission.
-
-</li><li>
-List on the Title Page, as authors, one or more persons or entities
-responsible for authorship of the modifications in the Modified
-Version, together with at least five of the principal authors of the
-Document (all of its principal authors, if it has fewer than five),
-unless they release you from this requirement.
-
-</li><li>
-State on the Title page the name of the publisher of the
-Modified Version, as the publisher.
-
-</li><li>
-Preserve all the copyright notices of the Document.
-
-</li><li>
-Add an appropriate copyright notice for your modifications
-adjacent to the other copyright notices.
-
-</li><li>
-Include, immediately after the copyright notices, a license notice
-giving the public permission to use the Modified Version under the
-terms of this License, in the form shown in the Addendum below.
-
-</li><li>
-Preserve in that license notice the full lists of Invariant Sections
-and required Cover Texts given in the Document's license notice.
-
-</li><li>
-Include an unaltered copy of this License.
-
-</li><li>
-Preserve the section Entitled &ldquo;History&rdquo;, Preserve its Title, and add
-to it an item stating at least the title, year, new authors, and
-publisher of the Modified Version as given on the Title Page. If
-there is no section Entitled &ldquo;History&rdquo; in the Document, create one
-stating the title, year, authors, and publisher of the Document as
-given on its Title Page, then add an item describing the Modified
-Version as stated in the previous sentence.
-
-</li><li>
-Preserve the network location, if any, given in the Document for
-public access to a Transparent copy of the Document, and likewise
-the network locations given in the Document for previous versions
-it was based on. These may be placed in the &ldquo;History&rdquo; section.
-You may omit a network location for a work that was published at
-least four years before the Document itself, or if the original
-publisher of the version it refers to gives permission.
-
-</li><li>
-For any section Entitled &ldquo;Acknowledgements&rdquo; or &ldquo;Dedications&rdquo;, Preserve
-the Title of the section, and preserve in the section all the
-substance and tone of each of the contributor acknowledgements and/or
-dedications given therein.
-
-</li><li>
-Preserve all the Invariant Sections of the Document,
-unaltered in their text and in their titles. Section numbers
-or the equivalent are not considered part of the section titles.
-
-</li><li>
-Delete any section Entitled &ldquo;Endorsements&rdquo;. Such a section
-may not be included in the Modified Version.
-
-</li><li>
-Do not retitle any existing section to be Entitled &ldquo;Endorsements&rdquo; or
-to conflict in title with any Invariant Section.
-
-</li><li>
-Preserve any Warranty Disclaimers.
-</li></ol>
-
-<p>If the Modified Version includes new front-matter sections or
-appendices that qualify as Secondary Sections and contain no material
-copied from the Document, you may at your option designate some or all
-of these sections as invariant. To do this, add their titles to the
-list of Invariant Sections in the Modified Version's license notice.
-These titles must be distinct from any other section titles.
-</p>
-<p>You may add a section Entitled &ldquo;Endorsements&rdquo;, provided it contains
-nothing but endorsements of your Modified Version by various
-parties&mdash;for example, statements of peer review or that the text has
-been approved by an organization as the authoritative definition of a
-standard.
-</p>
-<p>You may add a passage of up to five words as a Front-Cover Text, and a
-passage of up to 25 words as a Back-Cover Text, to the end of the list
-of Cover Texts in the Modified Version. Only one passage of
-Front-Cover Text and one of Back-Cover Text may be added by (or
-through arrangements made by) any one entity. If the Document already
-includes a cover text for the same cover, previously added by you or
-by arrangement made by the same entity you are acting on behalf of,
-you may not add another; but you may replace the old one, on explicit
-permission from the previous publisher that added the old one.
-</p>
-<p>The author(s) and publisher(s) of the Document do not by this License
-give permission to use their names for publicity for or to assert or
-imply endorsement of any Modified Version.
-</p>
-</li><li>
-COMBINING DOCUMENTS
-
-<p>You may combine the Document with other documents released under this
-License, under the terms defined in section 4 above for modified
-versions, provided that you include in the combination all of the
-Invariant Sections of all of the original documents, unmodified, and
-list them all as Invariant Sections of your combined work in its
-license notice, and that you preserve all their Warranty Disclaimers.
-</p>
-<p>The combined work need only contain one copy of this License, and
-multiple identical Invariant Sections may be replaced with a single
-copy. If there are multiple Invariant Sections with the same name but
-different contents, make the title of each such section unique by
-adding at the end of it, in parentheses, the name of the original
-author or publisher of that section if known, or else a unique number.
-Make the same adjustment to the section titles in the list of
-Invariant Sections in the license notice of the combined work.
-</p>
-<p>In the combination, you must combine any sections Entitled &ldquo;History&rdquo;
-in the various original documents, forming one section Entitled
-&ldquo;History&rdquo;; likewise combine any sections Entitled &ldquo;Acknowledgements&rdquo;,
-and any sections Entitled &ldquo;Dedications&rdquo;. You must delete all
-sections Entitled &ldquo;Endorsements.&rdquo;
-</p>
-</li><li>
-COLLECTIONS OF DOCUMENTS
-
-<p>You may make a collection consisting of the Document and other documents
-released under this License, and replace the individual copies of this
-License in the various documents with a single copy that is included in
-the collection, provided that you follow the rules of this License for
-verbatim copying of each of the documents in all other respects.
-</p>
-<p>You may extract a single document from such a collection, and distribute
-it individually under this License, provided you insert a copy of this
-License into the extracted document, and follow this License in all
-other respects regarding verbatim copying of that document.
-</p>
-</li><li>
-AGGREGATION WITH INDEPENDENT WORKS
-
-<p>A compilation of the Document or its derivatives with other separate
-and independent documents or works, in or on a volume of a storage or
-distribution medium, is called an &ldquo;aggregate&rdquo; if the copyright
-resulting from the compilation is not used to limit the legal rights
-of the compilation's users beyond what the individual works permit.
-When the Document is included in an aggregate, this License does not
-apply to the other works in the aggregate which are not themselves
-derivative works of the Document.
-</p>
-<p>If the Cover Text requirement of section 3 is applicable to these
-copies of the Document, then if the Document is less than one half of
-the entire aggregate, the Document's Cover Texts may be placed on
-covers that bracket the Document within the aggregate, or the
-electronic equivalent of covers if the Document is in electronic form.
-Otherwise they must appear on printed covers that bracket the whole
-aggregate.
-</p>
-</li><li>
-TRANSLATION
-
-<p>Translation is considered a kind of modification, so you may
-distribute translations of the Document under the terms of section 4.
-Replacing Invariant Sections with translations requires special
-permission from their copyright holders, but you may include
-translations of some or all Invariant Sections in addition to the
-original versions of these Invariant Sections. You may include a
-translation of this License, and all the license notices in the
-Document, and any Warranty Disclaimers, provided that you also include
-the original English version of this License and the original versions
-of those notices and disclaimers. In case of a disagreement between
-the translation and the original version of this License or a notice
-or disclaimer, the original version will prevail.
-</p>
-<p>If a section in the Document is Entitled &ldquo;Acknowledgements&rdquo;,
-&ldquo;Dedications&rdquo;, or &ldquo;History&rdquo;, the requirement (section 4) to Preserve
-its Title (section 1) will typically require changing the actual
-title.
-</p>
-</li><li>
-TERMINATION
-
-<p>You may not copy, modify, sublicense, or distribute the Document
-except as expressly provided under this License. Any attempt
-otherwise to copy, modify, sublicense, or distribute it is void, and
-will automatically terminate your rights under this License.
-</p>
-<p>However, if you cease all violation of this License, then your license
-from a particular copyright holder is reinstated (a) provisionally,
-unless and until the copyright holder explicitly and finally
-terminates your license, and (b) permanently, if the copyright holder
-fails to notify you of the violation by some reasonable means prior to
-60 days after the cessation.
-</p>
-<p>Moreover, your license from a particular copyright holder is
-reinstated permanently if the copyright holder notifies you of the
-violation by some reasonable means, this is the first time you have
-received notice of violation of this License (for any work) from that
-copyright holder, and you cure the violation prior to 30 days after
-your receipt of the notice.
-</p>
-<p>Termination of your rights under this section does not terminate the
-licenses of parties who have received copies or rights from you under
-this License. If your rights have been terminated and not permanently
-reinstated, receipt of a copy of some or all of the same material does
-not give you any rights to use it.
-</p>
-</li><li>
-FUTURE REVISIONS OF THIS LICENSE
-
-<p>The Free Software Foundation may publish new, revised versions
-of the GNU Free Documentation License from time to time. Such new
-versions will be similar in spirit to the present version, but may
-differ in detail to address new problems or concerns. See
-<a href="http://www.gnu.org/copyleft/">http://www.gnu.org/copyleft/</a>.
-</p>
-<p>Each version of the License is given a distinguishing version number.
-If the Document specifies that a particular numbered version of this
-License &ldquo;or any later version&rdquo; applies to it, you have the option of
-following the terms and conditions either of that specified version or
-of any later version that has been published (not as a draft) by the
-Free Software Foundation. If the Document does not specify a version
-number of this License, you may choose any version ever published (not
-as a draft) by the Free Software Foundation. If the Document
-specifies that a proxy can decide which future versions of this
-License can be used, that proxy's public statement of acceptance of a
-version permanently authorizes you to choose that version for the
-Document.
-</p>
-</li><li>
-RELICENSING
-
-<p>&ldquo;Massive Multiauthor Collaboration Site&rdquo; (or &ldquo;MMC Site&rdquo;) means any
-World Wide Web server that publishes copyrightable works and also
-provides prominent facilities for anybody to edit those works. A
-public wiki that anybody can edit is an example of such a server. A
-&ldquo;Massive Multiauthor Collaboration&rdquo; (or &ldquo;MMC&rdquo;) contained in the
-site means any set of copyrightable works thus published on the MMC
-site.
-</p>
-<p>&ldquo;CC-BY-SA&rdquo; means the Creative Commons Attribution-Share Alike 3.0
-license published by Creative Commons Corporation, a not-for-profit
-corporation with a principal place of business in San Francisco,
-California, as well as future copyleft versions of that license
-published by that same organization.
-</p>
-<p>&ldquo;Incorporate&rdquo; means to publish or republish a Document, in whole or
-in part, as part of another Document.
-</p>
-<p>An MMC is &ldquo;eligible for relicensing&rdquo; if it is licensed under this
-License, and if all works that were first published under this License
-somewhere other than this MMC, and subsequently incorporated in whole
-or in part into the MMC, (1) had no cover texts or invariant sections,
-and (2) were thus incorporated prior to November 1, 2008.
-</p>
-<p>The operator of an MMC Site may republish an MMC contained in the site
-under CC-BY-SA on the same site at any time before August 1, 2009,
-provided the MMC is eligible for relicensing.
-</p>
-</li></ol>
-
-
-<a name="SEC76"></a>
-<h2 class="heading"> ADDENDUM: How to use this License for your documents </h2>
-
-<p>To use this License in a document you have written, include a copy of
-the License in the document and put the following copyright and
-license notices just after the title page:
-</p>
-<table><tr><td>&nbsp;</td><td><pre class="smallexample"> Copyright (C) <var>year</var> <var>your name</var>.
- Permission is granted to copy, distribute and/or modify this document
- under the terms of the GNU Free Documentation License, Version 1.3
- or any later version published by the Free Software Foundation;
- with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
- Texts. A copy of the license is included in the section entitled ``GNU
- Free Documentation License''.
-</pre></td></tr></table>
-
-<p>If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts,
-replace the &ldquo;with&hellip;Texts.&rdquo; line with this:
-</p>
-<table><tr><td>&nbsp;</td><td><pre class="smallexample"> with the Invariant Sections being <var>list their titles</var>, with
- the Front-Cover Texts being <var>list</var>, and with the Back-Cover Texts
- being <var>list</var>.
-</pre></td></tr></table>
+On AIX and Windows platforms, <code>wchar_t</code> is a 16-bit type. This
+means that it can never accommodate an entire Unicode character. Either
+the <code>wchar_t *</code> strings are limited to characters in UCS-2 (the
+&ldquo;Basic Multilingual Plane&rdquo; of Unicode), or &mdash; if <code>wchar_t *</code>
+strings are encoded in UTF-16 &mdash; a <code>wchar_t</code> represents only half
+of a character in the worst case, making the <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html"><code>&lt;wctype.h&gt;</code></a> functions
+pointless.
+
+</li><li>
+On Solaris and FreeBSD, the <code>wchar_t</code> encoding is locale dependent
+and undocumented. This means, if you want to know any property of a
+<code>wchar_t</code> character, other than the properties defined by
+<a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html"><code>&lt;wctype.h&gt;</code></a> &mdash; such as whether it's a dash, currency symbol,
+paragraph separator, or similar &mdash;, you have to convert it to
+<code>char *</code> encoding first, by use of the function <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/wctomb.html"><code>wctomb</code></a>.
+
+</li><li>
+When you read a stream of wide characters, through the functions
+<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fgetwc.html"><code>fgetwc</code></a> and <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/fgetws.html"><code>fgetws</code></a>, and when the input stream/file is
+not in the expected encoding, you have no way to determine the invalid
+byte sequence and do some corrective action. If you use these
+functions, your program becomes &ldquo;garbage in - more garbage out&rdquo; or
+&ldquo;garbage in - abort&rdquo;.
+</li></ul>
-<p>If you have Invariant Sections without Cover Texts, or some other
-combination of the three, merge those two alternatives to suit the
-situation.
-</p>
-<p>If your document contains nontrivial examples of program code, we
-recommend releasing these examples in parallel under your choice of
-free software license, such as the GNU General Public License,
-to permit their use in free software.
+<p>As a consequence, it is better to use multibyte strings, as explained in
+the section <a href="libunistring_1.html#SEC6">&lsquo;<samp>char *</samp>&rsquo; strings</a>. Such multibyte strings can bypass
+limitations of the <code>wchar_t</code> type, if you use functions defined in gnulib
+and libunistring for text processing. They can also faithfully transport
+malformed characters that were present in the input, without requiring
+the program to produce garbage or abort.
</p>
-
-
<hr size="6">
<table cellpadding="1" cellspacing="1" border="0">
-<tr><td valign="middle" align="left">[<a href="#SEC68" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
-<td valign="middle" align="left">[<a href="libunistring_19.html#SEC77" title="Next chapter"> &gt;&gt; </a>]</td>
+<tr><td valign="middle" align="left">[<a href="libunistring_17.html#SEC80" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
+<td valign="middle" align="left">[<a href="libunistring_19.html#SEC82" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
@@ -1530,12 +119,12 @@ to permit their use in free software.
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="libunistring.html#SEC_Top" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="libunistring.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
-<td valign="middle" align="left">[<a href="libunistring_19.html#SEC77" title="Index">Index</a>]</td>
+<td valign="middle" align="left">[<a href="libunistring_20.html#SEC91" title="Index">Index</a>]</td>
<td valign="middle" align="left">[<a href="libunistring_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<p>
<font size="-1">
- This document was generated by <em>Daiki Ueno</em> on <em>November, 30 2017</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78a</em></a>.
+ This document was generated by <em>Daiki Ueno</em> on <em>February, 28 2018</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78a</em></a>.
</font>
<br>