From 00a7d8d6e6125c171c46190bdb40ecaa08347cca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Mon, 31 Oct 2016 19:30:26 +0200
Subject: Add a check for mandatory name section for man pages

---
 src/asciideck_to_manpage.erl | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/asciideck_to_manpage.erl')

diff --git a/src/asciideck_to_manpage.erl b/src/asciideck_to_manpage.erl
index 47eb932..fffd250 100644
--- a/src/asciideck_to_manpage.erl
+++ b/src/asciideck_to_manpage.erl
@@ -33,6 +33,7 @@ translate(AST, Opts) ->
 	end.
 
 translate_man([{title, #{level := 0}, Title0, _Ann}|AST], Opts) ->
+	ensure_name_section(AST),
 	[Title, << Section:1/binary, _/bits >>] = binary:split(Title0, <<"(">>),
 	Extra1 = maps:get(extra1, Opts, today()),
 	Extra2 = maps:get(extra2, Opts, ""),
@@ -44,6 +45,14 @@ translate_man([{title, #{level := 0}, Title0, _Ann}|AST], Opts) ->
 		man(AST, [])
 	]}.
 
+ensure_name_section([{title, #{level := 1}, Title, _}|_]) ->
+	case string:to_lower(string:strip(binary_to_list(Title))) of
+		"name" -> ok;
+		_ -> error(badarg)
+	end;
+ensure_name_section(_) ->
+	error(badarg).
+
 today() ->
 	{{Y, M, D}, _} = calendar:universal_time(),
 	io_lib:format("~b-~2.10.0b-~2.10.0b", [Y, M, D]).
-- 
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