[773c358] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[773c358] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[e6c872e] | 7 | <!ENTITY lynx-download-http "http://lynx.isc.org/current/lynx&lynx-version;.tar.bz2">
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| 8 | <!ENTITY lynx-download-ftp "ftp://lynx.isc.org/current/lynx&lynx-version;.tar.bz2">
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| 9 | <!ENTITY lynx-md5sum "bd44c57d28fd3e4c9db1cd492d403600">
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[c0c53745] | 10 | <!ENTITY lynx-size "2.2 MB">
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[597caf43] | 11 | <!ENTITY lynx-buildsize "26 MB">
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[d6f100c] | 12 | <!ENTITY lynx-time "0.5 SBU">
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[773c358] | 13 | ]>
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| 14 |
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[377584f] | 15 | <sect1 id="lynx" xreflabel="Lynx-&lynx-version;">
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[f9a9bb3e] | 16 | <?dbhtml filename="lynx.html"?>
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[50b8d8b] | 17 |
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[f9a9bb3e] | 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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[50b8d8b] | 22 |
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[f9a9bb3e] | 23 | <title>Lynx-&lynx-version;</title>
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[50b8d8b] | 24 |
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[f9a9bb3e] | 25 | <indexterm zone="lynx">
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| 26 | <primary sortas="a-Lynx">Lynx</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to Lynx</title>
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[50b8d8b] | 31 |
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[f9a9bb3e] | 32 | <para><application>Lynx</application> is a text based web browser.</para>
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[50b8d8b] | 33 |
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[f9a9bb3e] | 34 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 35 | <itemizedlist spacing="compact">
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| 36 | <listitem>
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| 37 | <para>Download (HTTP): <ulink url="&lynx-download-http;"/></para>
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| 38 | </listitem>
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| 39 | <listitem>
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| 40 | <para>Download (FTP): <ulink url="&lynx-download-ftp;"/></para>
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| 41 | </listitem>
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| 42 | <listitem>
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| 43 | <para>Download MD5 sum: &lynx-md5sum;</para>
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| 44 | </listitem>
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| 45 | <listitem>
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| 46 | <para>Download size: &lynx-size;</para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>Estimated disk space required: &lynx-buildsize;</para>
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| 50 | </listitem>
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| 51 | <listitem>
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| 52 | <para>Estimated build time: &lynx-time;</para>
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| 53 | </listitem>
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| 54 | </itemizedlist>
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[50b8d8b] | 55 |
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[f9a9bb3e] | 56 | <bridgehead renderas="sect3">Lynx Dependencies</bridgehead>
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[50b8d8b] | 57 |
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[f9a9bb3e] | 58 | <bridgehead renderas="sect4">Optional</bridgehead>
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[d5404360] | 59 | <para role="optional"><xref linkend="openssl"/> or
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| 60 | <xref linkend="gnutls"/> (experimental),
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[597caf43] | 61 | <xref linkend="zip"/>,
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| 62 | <xref linkend="unzip"/>,
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[8250d8e] | 63 | an <xref linkend="server-mail"/> (that provides a <command>sendmail</command> command), and
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[67ca8f6] | 64 | <!-- <ulink
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[f9a9bb3e] | 65 | url="http://ftp.ibiblio.org/pub/linux/utils/compress/ncompress-4.2.4.tar.Z">
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[67ca8f6] | 66 | ncompress</ulink> and -->
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[597caf43] | 67 | <ulink url="http://www.gnu.org/software/sharutils/">sharutils</ulink>
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| 68 | (for a <command>uudecode</command> program)</para>
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[50b8d8b] | 69 |
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[c22b9f4] | 70 | <!-- Attempt to utilize S-Lang (- -with-screen=slang) leads to a build failure -->
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| 71 |
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[061ec9d] | 72 | <para condition="html" role="usernotes">User Notes:
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[6c42d4e] | 73 | <ulink url="&blfs-wiki;/Lynx"/></para>
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[061ec9d] | 74 |
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[f9a9bb3e] | 75 | </sect2>
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[50b8d8b] | 76 |
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[f9a9bb3e] | 77 | <sect2 role="installation">
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| 78 | <title>Installation of Lynx</title>
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| 79 |
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[1065a91] | 80 | <para>Install <application>Lynx</application> by running the following
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[f9a9bb3e] | 81 | commands:</para>
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| 82 |
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[597caf43] | 83 | <screen><userinput>./configure --prefix=/usr \
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| 84 | --sysconfdir=/etc/lynx \
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| 85 | --datadir=/usr/share/doc/lynx-&lynx-version; \
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| 86 | --with-zlib \
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[c22b9f4] | 87 | --with-bzlib \
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| 88 | --with-screen=ncursesw \
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| 89 | --enable-locale-charset &&
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[f9a9bb3e] | 90 | make</userinput></screen>
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[50b8d8b] | 91 |
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[d6f100c] | 92 | <para>This package does not come with a test suite.</para>
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| 93 |
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[f9a9bb3e] | 94 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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[520d0fe] | 95 |
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[597caf43] | 96 | <screen role='root'><userinput>make install-full &&
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| 97 | chgrp -v -R root /usr/share/doc/lynx-&lynx-version;/lynx_doc</userinput></screen>
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[50b8d8b] | 98 |
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[f9a9bb3e] | 99 | </sect2>
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[50b8d8b] | 100 |
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[f9a9bb3e] | 101 | <sect2 role="commands">
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| 102 | <title>Command Explanations</title>
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[50b8d8b] | 103 |
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[597caf43] | 104 | <para><parameter>--sysconfdir=/etc/lynx</parameter>: This parameter is
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| 105 | used so that the configuration files are located in
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| 106 | <filename class="directory">/etc/lynx</filename> instead of
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| 107 | <filename class="directory">/usr/etc</filename>.</para>
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| 108 |
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| 109 | <para><parameter>--datadir=/usr/share/doc/lynx-&lynx-version;</parameter>:
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| 110 | This parameter is used so that the documentation files are installed into
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| 111 | <filename class="directory">/usr/share/doc/lynx-&lynx-version;</filename>
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| 112 | instead of
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| 113 | <filename class="directory">/usr/share/lynx_{doc,help}</filename>.</para>
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[50b8d8b] | 114 |
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[f9a9bb3e] | 115 | <para><parameter>--with-zlib</parameter>: This enables support for
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[1065a91] | 116 | linking <filename class="libraryfile">libz</filename> into
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[f9a9bb3e] | 117 | <application>Lynx</application>.</para>
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[50b8d8b] | 118 |
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[f9a9bb3e] | 119 | <para><parameter>--with-bzlib</parameter>: This enables support for
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[1065a91] | 120 | linking <filename class="libraryfile">libbz2</filename> into
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[f9a9bb3e] | 121 | <application>Lynx</application>.</para>
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[50b8d8b] | 122 |
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[c22b9f4] | 123 | <para><parameter>--with-screen=ncursesw</parameter>: This switch enables
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| 124 | the use of advanced wide-character support present in the system
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| 125 | <application>NCurses</application> library. This is needed for
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| 126 | proper display of characters and line wrapping in multibyte locales.</para>
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[29f80ebc] | 127 |
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[c22b9f4] | 128 | <para><parameter>--enable-locale-charset</parameter>: This switch allows
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| 129 | <application>Lynx</application> to deduce the proper character encoding
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| 130 | for terminal output from the current locale.
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| 131 | A configuration step is still needed (see below), but,
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| 132 | unlike the situation without this switch, the configuration step becomes
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| 133 | the same for all users (without the switch, one would have to specify the
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| 134 | display charcter set explicitly). This is important for environments such
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| 135 | as a LiveCD, where the amount of system-specific configuration steps has
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| 136 | to be reduced to the minimum.</para>
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| 137 |
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| 138 | <para><parameter>--enable-nls</parameter>: This switch allows
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| 139 | <application>Lynx</application> to print translated messages (such as
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| 140 | questions about cookies and SSL certificates).</para>
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| 141 |
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[f9a9bb3e] | 142 | <para><option>--with-ssl</option>: This enables support for
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[4edfbea9] | 143 | linking SSL into <application>Lynx</application>.</para>
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[50b8d8b] | 144 |
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[597caf43] | 145 | <para><option>--with-gnutls</option>: This enables experimental support
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| 146 | for linking <application>GnuTLS</application> into
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[f9a9bb3e] | 147 | <application>Lynx</application>.</para>
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[50b8d8b] | 148 |
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[597caf43] | 149 | <para><command>make install-full</command>: In addition to the standard
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| 150 | installation, this target installs the documentation and help files.</para>
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| 151 |
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[823b1a3] | 152 | <para><command>chgrp -v -R root
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[597caf43] | 153 | /usr/share/doc/lynx-&lynx-version;/lynx_doc</command>:
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[67ca8f6] | 154 | This command corrects the improper group ownership of installed
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| 155 | documentation files caused if <application>Lynx</application> is built
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| 156 | by any user other than
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| 157 | <systemitem class="username">root</systemitem>.</para>
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| 158 |
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[597caf43] | 159 | <!-- This was fixed in the 2.8.6 release, though it still could
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| 160 | be considered an issue by some
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[67ca8f6] | 161 | <note>
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| 162 | <para>There has been a security vulnerability identified if you enable
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[597caf43] | 163 | support for CGI links by passing the <option>-enable-cgi-links</option>
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[67ca8f6] | 164 | parameter to <command>configure</command>. See <ulink
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| 165 | url="http://seclists.org/lists/vulnwatch/2005/Oct-Dec/0041.html"/> for
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| 166 | details.</para>
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| 167 | </note>
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[597caf43] | 168 | -->
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[bccbdaea] | 169 |
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[f9a9bb3e] | 170 | </sect2>
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[50b8d8b] | 171 |
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[f9a9bb3e] | 172 | <sect2 role="configuration">
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| 173 | <title>Configuring Lynx</title>
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| 174 |
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| 175 | <sect3 id="lynx-config">
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| 176 | <title>Config Files</title>
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[50b8d8b] | 177 |
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[597caf43] | 178 | <para><filename>/etc/lynx/lynx.cfg</filename></para>
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[50b8d8b] | 179 |
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[f9a9bb3e] | 180 | <indexterm zone="lynx lynx-config">
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[597caf43] | 181 | <primary sortas="e-etc-lynx-lynx.cfg">/etc/lynx/lynx.cfg</primary>
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[f9a9bb3e] | 182 | </indexterm>
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[50b8d8b] | 183 |
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[f9a9bb3e] | 184 | </sect3>
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[50b8d8b] | 185 |
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[f9a9bb3e] | 186 | <sect3>
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| 187 | <title>Configuration Information</title>
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[50b8d8b] | 188 |
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[c22b9f4] | 189 | <para>The proper way to get the display character set is to examine the
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| 190 | current locale. However, <application>Lynx</application> does not do
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| 191 | this by default. Change this setting:</para>
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| 192 |
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| 193 | <screen><userinput>sed -i 's/#\(LOCALE_CHARSET\):FALSE/\1:TRUE/' /etc/lynx/lynx.cfg</userinput></screen>
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| 194 |
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[d37f788] | 195 | <para>The built-in editor in <application>Lynx</application>
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| 196 | <xref linkend="locale-wrong-multibyte-characters"/>. This issue manifests
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| 197 | itself in multibyte locales, e.g., as the Backspace key not erasing
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| 198 | non-ASCII characters properly, and as incorrect data being sent to the
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| 199 | network when one edits the contents of text areas. The only solution
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| 200 | to this problem is to configure <application>Lynx</application> to
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| 201 | use an external editor (bound to the <quote>Ctrl+X e</quote> key
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| 202 | combination by default):</para>
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| 203 | <screen><userinput>sed -i 's/#\(DEFAULT_EDITOR\):/\1:vi/' /etc/lynx/lynx.cfg</userinput></screen>
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| 204 |
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| 205 | <para><application>Lynx</application> handles the following values of
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| 206 | the DEFAULT_EDITOR option specially by adding cursor-positioning
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| 207 | arguments: <quote>emacs</quote>, <quote>jed</quote>,
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| 208 | <quote>jmacs</quote>, <quote>joe</quote>, <quote>jove</quote>,
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| 209 | <quote>jpico</quote>, <quote>jstar</quote>, <quote>pico</quote>,
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| 210 | <quote>rjoe</quote>, <quote>vi</quote> (but not <quote>vim</quote>:
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| 211 | in order to position the cursor in <xref linkend="vim"/>, set this
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| 212 | option to <quote>vi</quote>).</para>
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| 213 |
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| 214 | <!-- For editors:
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| 215 | The list should be updated from src/LYEdit.c when a new version of Lynx
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| 216 | comes out. Anyway, upstream promises (in
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| 217 | ftp://lynx.isc.org/current/CHANGES ) to fix the multibyte issue for 2.8.7
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| 218 | -->
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| 219 |
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| 220 | <para>By default, <application>Lynx</application> doesn't save cookies
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| 221 | between sessions. Change this setting:</para>
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| 222 | <screen><userinput>sed -i 's/#\(PERSISTENT_COOKIES\):FALSE/\1:TRUE/' /etc/lynx/lynx.cfg</userinput></screen>
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| 223 |
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[c22b9f4] | 224 | <para>Many other system-wide settings such as proxies can also be set
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| 225 | in the <filename>/etc/lynx/lynx.cfg</filename> file.</para>
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[50b8d8b] | 226 |
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[f9a9bb3e] | 227 | </sect3>
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[50b8d8b] | 228 |
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[f9a9bb3e] | 229 | </sect2>
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[50b8d8b] | 230 |
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[f9a9bb3e] | 231 | <sect2 role="content">
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| 232 | <title>Contents</title>
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| 233 |
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| 234 | <segmentedlist>
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| 235 | <segtitle>Installed Program</segtitle>
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| 236 | <segtitle>Installed Libraries</segtitle>
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[597caf43] | 237 | <segtitle>Installed Directories</segtitle>
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[50b8d8b] | 238 |
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[f9a9bb3e] | 239 | <seglistitem>
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| 240 | <seg>lynx</seg>
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| 241 | <seg>None</seg>
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[597caf43] | 242 | <seg>/etc/lynx and /usr/share/doc/lynx-&lynx-version;</seg>
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[f9a9bb3e] | 243 | </seglistitem>
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| 244 | </segmentedlist>
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[50b8d8b] | 245 |
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[f9a9bb3e] | 246 | <variablelist>
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| 247 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 248 | <?dbfo list-presentation="list"?>
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| 249 | <?dbhtml list-presentation="table"?>
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[50b8d8b] | 250 |
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[f9a9bb3e] | 251 | <varlistentry id="lynx-prog">
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| 252 | <term><command>lynx</command></term>
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| 253 | <listitem>
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[1065a91] | 254 | <para>is a general purpose, text-based, distributed information
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[f9a9bb3e] | 255 | browser for the World Wide Web.</para>
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| 256 | <indexterm zone="lynx lynx-prog">
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| 257 | <primary sortas="b-lynx">lynx</primary>
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| 258 | </indexterm>
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| 259 | </listitem>
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| 260 | </varlistentry>
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[50b8d8b] | 261 |
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[f9a9bb3e] | 262 | </variablelist>
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| 263 |
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| 264 | </sect2>
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[f45b1953] | 265 |
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| 266 | </sect1>
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