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all: update for new MIT license On March 23, 2021, Nokia transferred the copyrights in the Plan 9 software to the Plan 9 Foundation, which relicensed them under the MIT license. This commit updates the Plan 9 from User Space license to reflect the new base license. The vast majority of the contributions beyond the base Plan 9 set were by me, many of them explicitly under an MIT license. Those are all under the new MIT license now as well. The port of mk to Unix was taken from Inferno via Vita Nuova and had been made available under GPL, but Vita Nuova has relicensed Inferno under the MIT license as well, to match the new Plan 9 license. Michael Teichgraber contributed src/lib9/zoneinfo.c explicitly under the Lucent Public License but has agreed to change the contribution to the MIT license now used in the rest of the distribution. There remain a few exceptions, most notably fonts. See the root LICENSE file for full details. The only mention of the Lucent Public License in the whole tree now is in the LICENSE file, explaining the history.
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2 <html>

3 <!--

4 Edit ./^$/,s/<table border=0 cellspacing=0 cellpadding=0 width=100%/<Table/g

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8 <head>

9 <base href="https://9fans.github.io/plan9port/unix/">

10 <title>Unix Software from Plan 9</title>

11 </head>

12 <body bgcolor=#ffffff>

13 <table border=0 cellspacing=0 cellpadding=0 width=100%>

14   <tr height=10><td width=20><td><td width=20>

15   <tr><td><td>

16     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

17     <center>

18       <font size=+1><b>Unix Software from Plan 9</b></font>

19     </center>

21     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

22     These are ports of <a href="http://9p.io/plan9">Plan 9</a>'s

23     UTF-8, formatted print, buffered I/O, and regular expression

24     libraries, along with mk, a simple replacement for make.

25     <p>

27     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

28     <b>supported systems</b>

29     <table border=0 cellspacing=0 cellpadding=0 width=100%>

30       <tr height=10><td width=20><td>

31       <tr><td><td>

32         Digital Unix OSF1 <font size=-1>(Alpha)</font>,

33         Linux <font size=-1>(x86 and PowerPC)</font>,

34         FreeBSD <font size=-1>(x86)</font>,

35         NetBSD <font size=-1>(x86)</font>,

36         Mac OS X <font size=-1>(Power PC)</font>,

37         OpenBSD <font size=-1>(x86)</font>,

38         SunOS <font size=-1>(Sparc)</font>

39     </table>

41     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

42     <b>installation</b>

43     <table border=0 cellspacing=0 cellpadding=0 width=100%>

44       <tr height=10><td width=20><td>

45       <tr><td><td>

46         Links to source tgzs are below.

47         On supported systems, extract and <font size=+1><tt>make install</tt></font>.

48         The default installation target is <font size=+1><tt>/usr/local</tt></font>.  To install elsewhere,

49         <font size=+1><tt>make PREFIX=/usr/elsewhere install</tt></font>.

51         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

53         On unsupported systems, you will need to create

54         <font size=+1><tt>Make.<i>YourOS</i>-<i>YourArch</i></tt></font>.

55         See the existing ones for examples.  If you write one for a new system,

56         please send it to us for inclusion in the tar files.

58     </table>

60     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

61     <b>libutf</b>

62     <table border=0 cellspacing=0 cellpadding=0 width=100%>

63       <tr height=10><td width=20><td>

64       <tr><td><td>

66         Libutf is a port of Plan 9's support library for UTF-8 and Unicode.

68         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

70         <font size=-1>manual:</font>

71           <!-- [ 9 man -w `{nm /usr/local/lib/libutf.a | awk '$2=="T" {print $3}'} ]-->

72           <a href="man/isalpharune3.html"><i>isalpharune</i>(3)</a>,

73           <a href="man/rune3.html"><i>rune</i>(3)</a>,

74           <a href="man/runestrcat3.html"><i>runestrcat</i>(3)</a>,

75           <a href="man/utf7.html"><i>utf</i>(7)</a>

77         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

79         <font size=-1>download:</font> <a href="libutf.tgz">libutf.tgz</a>

81         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

83         <font size=-1>license: MIT</font>

85     </table>

87     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

88     <b>libfmt</b>

89     <table border=0 cellspacing=0 cellpadding=0 width=100%>

90       <tr height=10><td width=20><td>

91       <tr><td><td>

93         Libfmt is a port of Plan 9's formatted print library.

94         As a base it provides all the syntax of ANSI C's printf but adds

95         the ability for client programs to install new print verbs.

96         One such print verb (installed by default) is <font size=+1><tt>%r</tt></font>, which prints

97         the system error string.

98         Instead of <font size=+1><tt>perror("foo")</tt></font>, you can write

99         <font size=+1><tt>fprint(2, "foo: %r\n");</tt></font>.

100         This is especially nice when you write verbs to format the

101         data structures used by your particular programs.

102         Needs libutf.

104         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

106         <font size=-1>manual:</font>

107           <!-- [ 9 man -w `{nm /usr/local/lib/libfmt.a | awk '$2=="T" {print $3}'} ]-->

108           <a href="man/print3.html"><i>print</i>(3)</a>,

109           <a href="man/fmtinstall3.html"><i>fmtinstall</i>(3)</a>,

110           <a href="man/quote3.html"><i>quote</i>(3)</a>,

111           <a href="man/fmtstrtod3.html"><i>fmtstrtod</i>(3)</a>

113         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

115         <font size=-1>download:</font> <a href="libfmt.tgz">libfmt.tgz</a>

117         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

119         <font size=-1>license: MIT</font>

121     </table>

123     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

124     <b>libbio</b>

125     <table border=0 cellspacing=0 cellpadding=0 width=100%>

126       <tr height=10><td width=20><td>

127       <tr><td><td>

129         Libbio is a port of Plan 9's buffered I/O library.

130         It provides most of the same functionality as stdio or sfio,

131         but with a simpler interface and smaller footprint.

132         Needs libutf and libfmt.

134         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

136         <font size=-1>manual:</font>

137           <a href="man/bio3.html"><i>bio</i>(3)</a>

139         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

141         <font size=-1>download:</font> <a href="libbio.tgz">libbio.tgz</a>

143         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

145         <font size=-1>license: MIT</font>

146     </table>

148     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

149     <b>libregexp9</b>

150     <table border=0 cellspacing=0 cellpadding=0 width=100%>

151       <tr height=10><td width=20><td>

152       <tr><td><td>

154         Libregexp9 is a port of Plan 9's Unicode-capable regular expression library.

155         It is small and simple and provides the traditional extended regular

156         expressions (without modern complications like

157         <font size=+1><tt>{}</tt></font> and various <font size=+1><tt>\x</tt></font> character classes).

158         It supports Unicode via wide character or UTF-8 encoding.

159         Needs libutf and libfmt.

161         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

163         <font size=-1>manual:</font>

164           <a href="man/regexp93.html"><i>regexp9</i>(3)</a>,

165           <a href="man/regexp97.html"><i>regexp9</i>(7)</a>

167         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

169         <font size=-1>download:</font> <a href="libregexp9.tgz">libregexp9.tgz</a>

171         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

173         <font size=-1>license: MIT</font>

175     </table>

177     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

178     <b>mk</b>

179     <table border=0 cellspacing=0 cellpadding=0 width=100%>

180       <tr height=10><td width=20><td>

181       <tr><td><td>

183         Mk is a simple replacement for <i>make</i>.

184         Needs libutf, libfmt, libbio, and libregexp9.

186         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

188         <font size=-1>manual:</font>

189           <a href="man/mk1.html"><i>mk</i>(1)</a>

191         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

193         <font size=-1>download:</font> <a href="mk.tgz">mk.tgz</a>

195         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

197         <font size=-1>license: MIT</font>

198     </table>

200     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

201     <b>one with everything</b>

202     <table border=0 cellspacing=0 cellpadding=0 width=100%>

203       <tr height=10><td width=20><td>

204       <tr><td><td>

206         Includes mk and all the libraries.

208         <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=10><td></table>

209         <font size=-1>download:</font> <a href="mk-with-libs.tgz">mk-with-libs.tgz</a>

210     </table>

213     <table border=0 cellspacing=0 cellpadding=0 width=100%><tr height=20><td></table>

214     <b>contact</b>

215     <table border=0 cellspacing=0 cellpadding=0 width=100%>

216       <tr height=10><td width=20><td>

217       <tr><td><td>

218         Russ Cox <font size=-1>(<a href="mailto:rsc@swtch.com">rsc@swtch.com</a>)

219     </table>

220   <tr height=10><td>

221   <tr><td><td><center><a href=".."><img src="../dist/spaceglenda100.png" border=1 alt="Space Glenda"></a></center>

223   <tr height=10><td>

224 </table>

226 </body>

227 </html>