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+Date: Sat, 5 Apr 2014 12:19:17 -0700\r
+From: "W. Trevor King" <wking@tremily.us>\r
+To: Tomi Ollila <tomi.ollila@iki.fi>\r
+Subject: Re: [PATCH 5/7] doc: Allow rst2man.py as an alternative to rst2man\r
+Message-ID: <20140405191917.GF5316@odin.tremily.us>\r
+References: <cover.1396718720.git.wking@tremily.us>\r
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+\r
+On Sat, Apr 05, 2014 at 10:05:31PM +0300, Tomi Ollila wrote:\r
+> On Sat, Apr 05 2014, W. Trevor King wrote:\r
+> > I use POSIX's 'command -v' [1] to find the path to rst2man=E2=80=A6\r
+> >\r
+> > [1]: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/command.=\r
+html\r
+>=20\r
+> =E2=80=A6\r
+> Except the reference to _POSIX_ page. One knows how consistent these\r
+> specifications are; alternative:\r
+>=20\r
+> http://pubs.opengroup.org/onlinepubs/009695399/utilities/command.html\r
+>=20\r
+> mentions additionally that -v flag\r
+> "(On systems supporting the User Portability Utilities option.)"=20\r
+\r
+It's been a decade since POSIX 2004 ;). I'm not sure when the =E2=80=9CUser\r
+Portability Utilities=E2=80=9D caveat was removed, but I imagine most\r
+POSIX-aspiring shells have -v support. Short of citing POSIX 2013, I\r
+think I'd have to survey likely shells, and that seems even less\r
+reliable. Maybe I'm missunderstanding your suggested change?\r
+\r
+> Also, we don't give such a treatment to other command either; I'd rather\r
+> see RST2MAN=3Drst2man, RST2MAN=3Drst2man.py *and* RST2MAN=3D lines used\r
+> instead -- the last to set RST2MAN to empty string instead of being unset.\r
+\r
+I'm fine with that. Alternatively, we could add an:\r
+\r
+ if -n "${RST2MAN}"\r
+\r
+clause to the front of the detection code to allow users with oddball\r
+scripts (maybe a null set) to override RST2MAN at configure time:\r
+\r
+ $ RST2MAN=3D/my/custom/rst_to_man_converter ./configure\r
+ $ make\r
+\r
+instead of at make-invocation time:\r
+\r
+ $ ./configure\r
+ $ make RST2MAN=3D/my/custom/rst_to_man_converter\r
+\r
+That would consolidate configuration around the 'config' call, and\r
+make explicitly emptying the RST2MAN variable more clearly superfluous\r
+(although I'm still fine with an explicit empty).\r
+\r
+Thoughts?\r
+\r
+Trevor\r
+\r
+--=20\r
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