221 lines
6.1 KiB
Plaintext
221 lines
6.1 KiB
Plaintext
# SOME DESCRIPTIVE TITLE
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# Copyright (C) YEAR Free Software Foundation, Inc.
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# This file is distributed under the same license as the PACKAGE package.
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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
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#
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#, fuzzy
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msgid ""
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msgstr ""
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"Project-Id-Version: PACKAGE VERSION\n"
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"POT-Creation-Date: DATE\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <LL@li.org>\n"
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"Language: \n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#. type: One-char language identifier
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#: levels-po/exercises/chapter003/level005/scene_langchar.txt:1
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#, no-wrap
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msgid "E"
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msgstr ""
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#. type: Title-text
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#: levels/exercises/chapter003/level005/scene.txt:1
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#, no-wrap
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msgid "Exchange posts 2"
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msgstr ""
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#. type: Resume-text
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#: levels/exercises/chapter003/level005/scene.txt:2
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#, no-wrap
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msgid "Collect more valuable information from information exchange posts."
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msgstr ""
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#. type: ScriptName-text
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#: levels/exercises/chapter003/level005/scene.txt:3
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#, no-wrap
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msgid "Info"
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msgstr ""
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#. type: \b; header
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#: levels/exercises/chapter003/level005/help/help.E.txt:1
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#, no-wrap
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msgid "Exercise"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:3
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#, no-wrap
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msgid ""
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"In this exercise, the <a object|exchange>information exchange posts</a> "
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"along the way contain the direction of the next post and the distance. And "
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"you do not know how many exchange posts you must get in touch with before "
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"arriving at your goal."
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msgstr ""
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#. type: \b; header
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#: levels/exercises/chapter003/level005/help/help.E.txt:4
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#, no-wrap
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msgid "General principle"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:6
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#, no-wrap
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msgid "\tRepeat forever:\n"
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msgstr ""
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#. type: Bullet: 'o'
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#: levels/exercises/chapter003/level005/help/help.E.txt:6
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#, no-wrap
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msgid "Retrieve the direction from the <a object|exchange>exchange post</a>."
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msgstr ""
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#. type: Bullet: 'o'
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#: levels/exercises/chapter003/level005/help/help.E.txt:7
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#, no-wrap
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msgid "Retrieve the distance from the <a object|exchange>exchange post</a>."
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msgstr ""
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#. type: Bullet: 'o'
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#: levels/exercises/chapter003/level005/help/help.E.txt:8
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#, no-wrap
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msgid "If no information could be retrieved, stop the program."
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msgstr ""
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#. type: Bullet: 'o'
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#: levels/exercises/chapter003/level005/help/help.E.txt:9
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#, no-wrap
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msgid "Execute the rotation."
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msgstr ""
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#. type: Bullet: 'o'
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#: levels/exercises/chapter003/level005/help/help.E.txt:10
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#, no-wrap
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msgid "Move forward to the next post."
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:13
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#, no-wrap
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msgid ""
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"In order to repeat always, use a <code><a cbot|while>while</a> (true)</code> "
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"loop. The instructions between the braces <code>{ }</code> will be repeated "
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"over and over, or until a <code><a cbot|break>break</a></code> instruction "
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"is executed."
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:14
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#, no-wrap
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msgid "<c/>\twhile ( true )"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:16
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#, no-wrap
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msgid ""
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"This time you need 2 <a cbot|var>variables</a>, one for the rotation angle, "
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"one for the distance, for example <code>dir</code> and <code>len</code> :"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:17
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#, no-wrap
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msgid "<c/>\tfloat dir, len;"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:19
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#, no-wrap
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msgid "Then you can retrieve the information:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:21
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#, no-wrap
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msgid ""
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"<c/>\tdir = receive(\"Direction\");\n"
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"<c/>\tlen = receive(\"Length\");"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:24
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#, no-wrap
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msgid ""
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"A variable of the <a cbot|type>type</a> <code><a cbot|float>float</a></code> "
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"can take a special value called <code><a cbot|nan>nan</a></code>. This value "
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"means that the variable contains no number (Not A Number).\n"
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"When there is no <a object|exchange>exchange post</a> nearby, either because "
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"the bot has reached the goal, or because it took the wrong way, the two "
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"variables <code>dir</code> and <code>len</code> contain this value. You can "
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"test this with the instruction <code><a cbot|if>if</a></code>, and stop the "
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"program if necessary with the instruction <code><a "
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"cbot|break>break</a></code>:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:25
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#, no-wrap
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msgid "<c/>\tif ( dir == nan ) break;"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:27
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#, no-wrap
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msgid ""
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"If the information retrieval from the <a object|exchange>exchange post</a> "
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"has been performed successfully, execute the rotation:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:28
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#, no-wrap
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msgid "<c/>\tturn(dir);"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:30
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#, no-wrap
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msgid "And move forward:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: levels/exercises/chapter003/level005/help/help.E.txt:31
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#, no-wrap
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msgid "<c/>\tmove(len);"
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msgstr ""
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#. type: \b; header
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#: levels/exercises/chapter003/level005/help/help.E.txt:32
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#, no-wrap
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msgid "Remark"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:34
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#, no-wrap
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msgid ""
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"You can click on an <a object|exchange>information exchange post</a> in "
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"order to read what information it contains. In this exercise, every exchange "
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"post contains two values called <code>\"Direction\"</code> and "
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"<code>\"Length\"</code>."
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msgstr ""
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#. type: \t; header
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#: levels/exercises/chapter003/level005/help/help.E.txt:35
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#, no-wrap
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msgid "See also"
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msgstr ""
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#. type: Plain text
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#: levels/exercises/chapter003/level005/help/help.E.txt:36
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#, no-wrap
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msgid ""
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"<a cbot>Programming</a>, <a cbot|type>types</a> and <a "
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"cbot|category>categories</a>."
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msgstr ""
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