discount: 2.2.7 -> 2.2.7b

Also install man pages and sample programs

pkgs/tools/text/discount/default.nix

···
 { lib, stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = "2.2.7";
+  version = "2.2.7b";
   pname = "discount";
 
   src = fetchFromGitHub {
     owner = "Orc";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0p2gznrsvv82zxbajqir8y2ap1ribbgagqg1bzhv3i81p2byhjh7";
+    sha256 = "sha256-S6OVKYulhvEPRqNXBsvZ7m2W4cbdnrpZKPAo3SfD+9s=";
   };
 
-  patches = [
-    ./fix-configure-path.patch
-
-    # Fix parallel make depends:
-    # - https://github.com/Orc/discount/commit/e42188e6c4c30d9de668cf98d98dd0c13ecce7cf.patch
-    # - https://github.com/Orc/discount/pull/245
-    ./parallel-make.patch
-  ];
+  patches = [ ./fix-configure-path.patch ];
   configureScript = "./configure.sh";
-
   configureFlags = [
-    "--enable-all-features"
-    "--pkg-config"
     "--shared"
-    "--with-fenced-code"
-    # Use deterministic mangling
-    "--debian-glitch"
+    "--debian-glitch" # use deterministic mangling
+    "--pkg-config"
+    "--h1-title"
   ];
 
   enableParallelBuilding = true;
+  installTargets = [ "install.everything" ];
+
   doCheck = true;
 
   postFixup = lib.optionalString stdenv.isDarwin ''

pkgs/tools/text/discount/parallel-make.patch

···
-https://github.com/Orc/discount/pull/245
-https://github.com/Orc/discount/commit/e42188e6c4c30d9de668cf98d98dd0c13ecce7cf.patch
-
-Fix parallel make failure: add missing pandoc_headers dependency.
---- a/Makefile.in
-+++ b/Makefile.in
-@@ -139,7 +139,7 @@ test:	$(PGMS) $(TESTFRAMEWORK) verify
- 
- pandoc_headers.o: tools/pandoc_headers.c config.h
- 	$(BUILD) -c -o pandoc_headers.o tools/pandoc_headers.c
--pandoc_headers: pandoc_headers.o
-+pandoc_headers: pandoc_headers.o $(COMMON) $(MKDLIB)
- 	$(LINK) -o pandoc_headers pandoc_headers.o $(COMMON) -lmarkdown 
- 
- branch.o: tools/branch.c config.h