35 lines
1.6 KiB
Plaintext
35 lines
1.6 KiB
Plaintext
$OpenBSD: patch-utf8-to-roff,v 1.1 2008/10/03 11:17:17 sthen Exp $
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r18573 from upstream;
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"utf8-to-roff: work around what's arguably a bug in perl 5.10"
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--- utf8-to-roff.orig Tue Mar 11 04:20:51 2008
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+++ utf8-to-roff Fri Oct 3 12:05:01 2008
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@@ -1,9 +1,25 @@
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-#! /usr/bin/perl -w -CI
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+if (true || '\'); then exec perl -CI "$0" "$@"; fi # ') {}
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+# The above uses the fact that backslash isn't special in single quotes in
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+# shell script, whereas in perl it escapes the following single quote.
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+#
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+# The problem it tries to solve is that we want perl to be run with -CI flag
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+# (to have stdin interpreted as utf-8), so we would use `#! /usr/bin/perl -CI',
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+# except that if we do that then perl 5.10 complains about it being too late
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+# to apply -CI if the script is run with `perl -CI ./utf8-to-roff', as we want
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+# to do from the Makefile. The reason we don't do `./utf8-to-roff' from the makefile
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+# is that then we require the #! line to have the right location of perl instead of
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+# just consulting the path. (Similarly, we could use `#! /usr/bin/env perl -CI',
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+# though that still requires that /usr/bin/env exist.) The reason we don't just
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+# remove the `-CI' from the #! line is that then the script couldn't be run correctly
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+# with ./utf8-to-roff.
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+
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+
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# Converts a man page from utf8 (not understood by groff 1.18) to groff escapes.
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# I couldn't find any existing tool to convert from utf8 to groff, though I
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# seem to recall seeing some code to do so somewhere.
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#
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# Hereby released into public domain by Peter Moulder.
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+use warnings;
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use strict;
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# Table generated automatically using:
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