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http://www.ruby-lang.org/en/about/license.txt |
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Ruby is copyrighted free software by Yukihiro Matsumoto <matz@netlab.jp>. |
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You can redistribute it and/or modify it under either the terms of the |
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2-clause BSDL (see the file BSDL), or the conditions below: |
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1. You may make and give away verbatim copies of the source form of the |
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software without restriction, provided that you duplicate all of the |
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original copyright notices and associated disclaimers. |
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2. You may modify your copy of the software in any way, provided that |
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you do at least ONE of the following: |
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a) place your modifications in the Public Domain or otherwise |
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make them Freely Available, such as by posting said |
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modifications to Usenet or an equivalent medium, or by allowing |
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the author to include your modifications in the software. |
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b) use the modified software only within your corporation or |
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organization. |
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c) give non-standard binaries non-standard names, with |
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instructions on where to get the original software distribution. |
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d) make other distribution arrangements with the author. |
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3. You may distribute the software in object code or binary form, |
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provided that you do at least ONE of the following: |
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a) distribute the binaries and library files of the software, |
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together with instructions (in the manual page or equivalent) |
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on where to get the original distribution. |
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b) accompany the distribution with the machine-readable source of |
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the software. |
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c) give non-standard binaries non-standard names, with |
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instructions on where to get the original software distribution. |
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d) make other distribution arrangements with the author. |
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4. You may modify and include the part of the software into any other |
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software (possibly commercial). But some files in the distribution |
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are not written by the author, so that they are not under these terms. |
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For the list of those files and their copying conditions, see the |
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file LEGAL. |
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5. The scripts and library files supplied as input to or produced as |
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output from the software do not automatically fall under the |
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copyright of the software, but belong to whomever generated them, |
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and may be sold commercially, and may be aggregated with this |
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software. |
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6. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR |
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IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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PURPOSE. |