1 | <?xml version="1.0" encoding="UTF-8"?>
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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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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY pango-download-http "&gnome-download-http;/pango/&pango-minor;/pango-&pango-version;.tar.xz">
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8 | <!ENTITY pango-download-ftp " ">
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9 | <!ENTITY pango-md5sum "7ad89b03f6850e0be28f91522b793842">
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10 | <!ENTITY pango-size "1.9 MB">
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11 | <!ENTITY pango-buildsize "27 MB (with tests)">
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12 | <!ENTITY pango-time "0.1 SBU (Using parallelism=4; with tests)">
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13 | ]>
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14 |
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15 | <sect1 id="pango" xreflabel="Pango-&pango-version;">
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16 | <?dbhtml filename="pango.html" ?>
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17 |
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18 |
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19 | <title>Pango-&pango-version;</title>
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20 |
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21 | <indexterm zone="pango">
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22 | <primary sortas="a-Pango">Pango</primary>
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23 | </indexterm>
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24 |
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25 | <sect2 role="package">
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26 | <title>Introduction to Pango</title>
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27 |
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28 | <para>
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29 | <application>Pango</application> is a library for laying out and rendering
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30 | text, with an emphasis on internationalization. It can be used anywhere
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31 | that text layout is needed, though most of the work on
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32 | <application>Pango</application> so far has been done in the context of
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33 | the <application>GTK+</application> widget toolkit.
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34 | </para>
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35 |
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36 | &lfs122_checked;
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37 |
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38 | <bridgehead renderas="sect3">Package Information</bridgehead>
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39 | <itemizedlist spacing="compact">
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40 | <listitem>
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41 | <para>
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42 | Download (HTTP): <ulink url="&pango-download-http;"/>
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43 | </para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>
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47 | Download (FTP): <ulink url="&pango-download-ftp;"/>
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48 | </para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>
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52 | Download MD5 sum: &pango-md5sum;
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53 | </para>
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54 | </listitem>
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55 | <listitem>
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56 | <para>
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57 | Download size: &pango-size;
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58 | </para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>
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62 | Estimated disk space required: &pango-buildsize;
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63 | </para>
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64 | </listitem>
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65 | <listitem>
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66 | <para>
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67 | Estimated build time: &pango-time;
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68 | </para>
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69 | </listitem>
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70 | </itemizedlist>
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71 |
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72 | <bridgehead renderas="sect3">Pango Dependencies</bridgehead>
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73 |
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74 | <bridgehead renderas="sect4">Required</bridgehead>
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75 | <para role="required">
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76 | <xref linkend="fontconfig"/> (must be built with
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77 | <xref linkend="freetype2"/> using <xref linkend="harfbuzz"/>),
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78 | <xref linkend="fribidi"/>, and
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79 | <xref linkend="glib2"/> (GObject Introspection required for GNOME)
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80 | </para>
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81 |
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82 | <bridgehead renderas="sect4">Recommended</bridgehead>
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83 | <para role="recommended">
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84 | <xref linkend="cairo"/> (built after <xref linkend="harfbuzz"/>) and
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85 | <xref linkend="xorg7-lib"/>
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86 | </para>
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87 |
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88 | <bridgehead renderas="sect4">Optional</bridgehead>
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89 | <para role="optional">
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90 | <xref linkend="cantarell-fonts"/> (for tests),
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91 | <!--<xref linkend="gtk-doc"/>,-->
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92 | <!--<xref linkend="sysprof"/>,-->
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93 | <xref linkend="gi-docgen"/> (to generate documentation),
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94 | <ulink url="https://ftpmirror.gnu.org/gnu/help2man">help2man</ulink>,
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95 | <ulink url="https://linux.thai.net/projects/libthai">libthai</ulink>, and
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96 | <ulink url="&sysprof-url;">sysprof</ulink>
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97 | </para>
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98 |
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99 | </sect2>
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100 |
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101 | <sect2 role="installation">
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102 | <title>Installation of Pango</title>
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103 |
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104 | <para>
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105 | Install <application>Pango</application> by running the following
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106 | commands:
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107 | </para>
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108 |
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109 | <screen><userinput>mkdir build &&
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110 | cd build &&
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111 |
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112 | meson setup --prefix=/usr \
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113 | --buildtype=release \
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114 | --wrap-mode=nofallback \
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115 | .. &&
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116 | ninja</userinput></screen>
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117 |
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118 | <para>
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119 | If you have <xref linkend='gi-docgen'/> installed and wish to build
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120 | the API documentation for this package, issue:
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121 | </para>
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122 |
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123 | <screen remap='doc'><userinput>sed "/docs_dir =/s@\$@ / 'pango-&pango-version;'@" -i ../docs/meson.build &&
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124 | meson configure -D documentation=true &&
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125 | ninja</userinput></screen>
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126 |
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127 | <para>
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128 | To test the results, issue: <command>ninja test</command>.
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129 | Two tests, testiter and test-font, are known to fail for unknown reason.
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130 | <!-- One test,
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131 | <filename>test-font</filename> is known to fail. Some tests may
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132 | fail if no Opentype or Truetype fonts are installed in
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133 | <filename class='directory'>/usr/share/fonts</filename>.
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134 | -->
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135 | <!--<filename>test-itemize</filename>, are are known to fail. if
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136 | <xref linkend="cantarell-fonts"/> are not installed.-->
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137 | <!-- the other problematic tests get skipped now -->
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138 | <!-- Even with cantarell-fonts, pango-1.50.9 test-font fails again. -->
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139 | </para>
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140 |
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141 | <para>
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142 | Now, as the <systemitem class="username">root</systemitem> user:
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143 | </para>
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144 |
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145 | <screen role="root"><userinput>ninja install</userinput></screen>
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146 |
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147 | <!--
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148 | This requires the external help2man program to generate pango-view.1. The version
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149 | from lsb_release is insufficient. I'm not sure if the command below is needed
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150 | or not if the newer help2man is present. - Bruce
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151 |
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152 | install -vm 644 ../utils/pango-view.1.in /usr/share/man/man1/pango-view.1</userinput></screen>
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153 | -->
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154 |
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155 | </sect2>
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156 |
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157 | <sect2 role="commands">
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158 | <title>Command Explanations</title>
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159 |
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160 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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161 | href="../../xincludes/meson-buildtype-release.xml"/>
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162 |
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163 | <para>
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164 | <option>-D introspection=disabled</option>: Use this switch if you do not
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165 | want to use GObject Introspection.
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166 | </para>
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167 |
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168 | <!-- gi-docgen can get installed without this, if deps exist -->
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169 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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170 | href="../../xincludes/meson-wrap-nofallback.xml"/>
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171 |
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172 | </sect2>
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173 |
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174 | <sect2 role="configuration">
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175 | <title>Configuring Pango</title>
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176 |
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177 | <sect3 id="pango-config">
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178 | <title>Config Files</title>
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179 |
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180 | <para>
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181 | <filename>/etc/pango/pangorc</filename>, <filename>~/.pangorc</filename>
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182 | and the file specified in the environment variable
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183 | <envar>PANGO_RC_FILE</envar>
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184 | </para>
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185 |
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186 | <indexterm zone="pango pango-config">
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187 | <primary sortas="e-etc-pango-pangorc">/etc/pango/pangorc</primary>
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188 | </indexterm>
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189 |
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190 | <indexterm zone="pango pango-config">
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191 | <primary sortas="e-AA.pangorc">~/.pangorc</primary>
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192 | </indexterm>
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193 | </sect3>
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194 | <!--
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195 | <sect3>
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196 | <title>Configuration Information</title>
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197 |
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198 | <para>
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199 | The <application>Pango</application> module path is specified by the key
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200 | <userinput><parameter>Pango/ModulesPath</parameter></userinput> in the
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201 | <application>Pango</application> config database, which is read from the
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202 | config files listed above.
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203 | </para>
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204 |
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205 | </sect3>-->
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206 |
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207 | </sect2>
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208 |
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209 | <sect2 role="content">
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210 | <title>Contents</title>
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211 |
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212 | <segmentedlist>
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213 | <segtitle>Installed Programs</segtitle>
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214 | <segtitle>Installed Libraries</segtitle>
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215 | <segtitle>Installed Directories</segtitle>
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216 |
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217 | <seglistitem>
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218 | <seg>
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219 | pango-list, pango-segmentation, and pango-view
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220 | </seg>
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221 | <seg>
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222 | libpango-1.0.so, libpangocairo-1.0.so, libpangoft2-1.0.so,
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223 | and libpangoxft-1.0.so
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224 | </seg>
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225 | <seg>
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226 | /usr/include/pango-1.0 and
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227 | /usr/share/doc/pango-&pango-version; (if gi-docgen is available)
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228 | </seg>
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229 | </seglistitem>
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230 | </segmentedlist>
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231 |
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232 | <variablelist>
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233 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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234 | <?dbfo list-presentation="list"?>
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235 | <?dbhtml list-presentation="table"?>
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236 |
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237 | <varlistentry id="pango-list">
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238 | <term><command>pango-list</command></term>
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239 | <listitem>
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240 | <para>
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241 | displays a list of fonts that <application>Pango</application>
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242 | can use that are currently installed on the system
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243 | </para>
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244 | <indexterm zone="pango pango-list">
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245 | <primary sortas="b-pango-list">pango-list</primary>
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246 | </indexterm>
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247 | </listitem>
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248 | </varlistentry>
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249 |
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250 | <varlistentry id="pango-segmentation">
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251 | <term><command>pango-segmentation</command></term>
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252 | <listitem>
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253 | <para>
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254 | shows text segmentation as determined by Pango.
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255 | </para>
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256 | <indexterm zone="pango pango-segmentation">
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257 | <primary sortas="b-pango-segmentation">pango-segmentation</primary>
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258 | </indexterm>
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259 | </listitem>
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260 | </varlistentry>
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261 |
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262 | <varlistentry id="pango-view">
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263 | <term><command>pango-view</command></term>
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264 | <listitem>
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265 | <para>
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266 | renders a given text file through <application>Pango</application>
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267 | for viewing purposes
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268 | </para>
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269 | <indexterm zone="pango pango-view">
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270 | <primary sortas="b-pango-view">pango-view</primary>
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271 | </indexterm>
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272 | </listitem>
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273 | </varlistentry>
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274 |
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275 | <varlistentry id="libpango-1">
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276 | <term><filename class="libraryfile">libpango-1.0.so</filename></term>
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277 | <listitem>
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278 | <para>
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279 | contains low level layout rendering routines, a high level driver for
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280 | laying out entire blocks of text, and routines to assist in editing
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281 | internationalized text
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282 | </para>
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283 | <indexterm zone="pango libpango-1">
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284 | <primary sortas="c-libpango-1">libpango-1.0.so</primary>
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285 | </indexterm>
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286 | </listitem>
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287 | </varlistentry>
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288 |
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289 | </variablelist>
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290 |
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291 | </sect2>
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292 |
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293 | </sect1>
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