Remove stray 'Title:' from the manual

Closes #4096.

14 files changed, 13 insertions, 29 deletions

diff --git a/doc/manual/generate-manpage.nix b/doc/manual/generate-manpage.nix
index 4709c0e2c..db266750a 100644
--- a/doc/manual/generate-manpage.nix
+++ b/doc/manual/generate-manpage.nix
@@ -52,5 +52,4 @@ in
 
 command:
 
-"Title: nix\n\n"
-+ showCommand { command = "nix"; section = "#"; def = command; }
+showCommand { command = "nix"; section = "#"; def = command; }
diff --git a/doc/manual/local.mk b/doc/manual/local.mk
index d308c7cf6..7d9a1a3e8 100644
--- a/doc/manual/local.mk
+++ b/doc/manual/local.mk
@@ -18,13 +18,22 @@ dist-files += $(man-pages)
 nix-eval = $(bindir)/nix eval --experimental-features nix-command -I nix/corepkgs=corepkgs --store dummy:// --impure --raw --expr
 
 $(d)/%.1: $(d)/src/command-ref/%.md
-	$(trace-gen) lowdown -sT man $^ -o $@
+	@printf "Title: %s\n\n" "$$(basename $@ .1)" > $^.tmp
+	@cat $^ >> $^.tmp
+	$(trace-gen) lowdown -sT man $^.tmp -o $@
+	@rm $^.tmp
 
 $(d)/%.8: $(d)/src/command-ref/%.md
-	$(trace-gen) lowdown -sT man $^ -o $@
+	@printf "Title: %s\n\n" "$$(basename $@ .8)" > $^.tmp
+	@cat $^ >> $^.tmp
+	$(trace-gen) lowdown -sT man $^.tmp -o $@
+	@rm $^.tmp
 
 $(d)/nix.conf.5: $(d)/src/command-ref/conf-file.md
-	$(trace-gen) lowdown -sT man $^ -o $@
+	@printf "Title: %s\n\n" "$$(basename $@ .5)" > $^.tmp
+	@cat $^ >> $^.tmp
+	$(trace-gen) lowdown -sT man $^.tmp -o $@
+	@rm $^.tmp
 
 $(d)/src/command-ref/nix.md: $(d)/nix.json $(d)/generate-manpage.nix $(bindir)/nix
 	$(trace-gen) $(nix-eval) 'import doc/manual/generate-manpage.nix (builtins.fromJSON (builtins.readFile $<))' > $@.tmp
diff --git a/doc/manual/src/command-ref/conf-file-prefix.md b/doc/manual/src/command-ref/conf-file-prefix.md
index 04c6cd859..9987393d2 100644
--- a/doc/manual/src/command-ref/conf-file-prefix.md
+++ b/doc/manual/src/command-ref/conf-file-prefix.md
@@ -1,5 +1,3 @@
-Title: nix.conf
-
 # Name
 
 `nix.conf` - Nix configuration file
diff --git a/doc/manual/src/command-ref/nix-build.md b/doc/manual/src/command-ref/nix-build.md
index 4bcb8db40..4565bfbc2 100644
--- a/doc/manual/src/command-ref/nix-build.md
+++ b/doc/manual/src/command-ref/nix-build.md
@@ -1,5 +1,3 @@
-Title: nix-build
-
 # Name
 
 `nix-build` - build a Nix expression
diff --git a/doc/manual/src/command-ref/nix-channel.md b/doc/manual/src/command-ref/nix-channel.md
index f0e205967..4ca12d2cc 100644
--- a/doc/manual/src/command-ref/nix-channel.md
+++ b/doc/manual/src/command-ref/nix-channel.md
@@ -1,5 +1,3 @@
-Title: nix-channel
-
 # Name
 
 `nix-channel` - manage Nix channels
diff --git a/doc/manual/src/command-ref/nix-collect-garbage.md b/doc/manual/src/command-ref/nix-collect-garbage.md
index 62a6b7ca0..296165993 100644
--- a/doc/manual/src/command-ref/nix-collect-garbage.md
+++ b/doc/manual/src/command-ref/nix-collect-garbage.md
@@ -1,5 +1,3 @@
-Title: nix-collect-garbage
-
 # Name
 
 `nix-collect-garbage` - delete unreachable store paths
diff --git a/doc/manual/src/command-ref/nix-copy-closure.md b/doc/manual/src/command-ref/nix-copy-closure.md
index 5ce320af7..dcb844a72 100644
--- a/doc/manual/src/command-ref/nix-copy-closure.md
+++ b/doc/manual/src/command-ref/nix-copy-closure.md
@@ -1,5 +1,3 @@
-Title: nix-copy-closure
-
 # Name
 
 `nix-copy-closure` - copy a closure to or from a remote machine via SSH
diff --git a/doc/manual/src/command-ref/nix-daemon.md b/doc/manual/src/command-ref/nix-daemon.md
index bd5d25026..e91cb01dd 100644
--- a/doc/manual/src/command-ref/nix-daemon.md
+++ b/doc/manual/src/command-ref/nix-daemon.md
@@ -1,5 +1,3 @@
-Title: nix-daemon
-
 # Name
 
 `nix-daemon` - Nix multi-user support daemon
diff --git a/doc/manual/src/command-ref/nix-env.md b/doc/manual/src/command-ref/nix-env.md
index ee838581b..1c23bb0ad 100644
--- a/doc/manual/src/command-ref/nix-env.md
+++ b/doc/manual/src/command-ref/nix-env.md
@@ -1,5 +1,3 @@
-Title: nix-env
-
 # Name
 
 `nix-env` - manipulate or query Nix user environments
diff --git a/doc/manual/src/command-ref/nix-hash.md b/doc/manual/src/command-ref/nix-hash.md
index d3f91f8e9..7ed82cdfc 100644
--- a/doc/manual/src/command-ref/nix-hash.md
+++ b/doc/manual/src/command-ref/nix-hash.md
@@ -1,5 +1,3 @@
-Title: nix-hash
-
 # Name
 
 `nix-hash` - compute the cryptographic hash of a path
diff --git a/doc/manual/src/command-ref/nix-instantiate.md b/doc/manual/src/command-ref/nix-instantiate.md
index d09f5ed6a..c369397b6 100644
--- a/doc/manual/src/command-ref/nix-instantiate.md
+++ b/doc/manual/src/command-ref/nix-instantiate.md
@@ -1,5 +1,3 @@
-Title: nix-instantiate
-
 # Name
 
 `nix-instantiate` - instantiate store derivations from Nix expressions
diff --git a/doc/manual/src/command-ref/nix-prefetch-url.md b/doc/manual/src/command-ref/nix-prefetch-url.md
index 1307c7c37..78c612cd4 100644
--- a/doc/manual/src/command-ref/nix-prefetch-url.md
+++ b/doc/manual/src/command-ref/nix-prefetch-url.md
@@ -1,5 +1,3 @@
-Title: nix-prefetch-url
-
 # Name
 
 `nix-prefetch-url` - copy a file from a URL into the store and print its hash
diff --git a/doc/manual/src/command-ref/nix-shell.md b/doc/manual/src/command-ref/nix-shell.md
index fc42a202a..45a5ff08c 100644
--- a/doc/manual/src/command-ref/nix-shell.md
+++ b/doc/manual/src/command-ref/nix-shell.md
@@ -1,5 +1,3 @@
-Title: nix-shell
-
 # Name
 
 `nix-shell` - start an interactive shell based on a Nix expression
diff --git a/doc/manual/src/command-ref/nix-store.md b/doc/manual/src/command-ref/nix-store.md
index 4680339e4..827adbd05 100644
--- a/doc/manual/src/command-ref/nix-store.md
+++ b/doc/manual/src/command-ref/nix-store.md
@@ -1,5 +1,3 @@
-Title: nix-store
-
 # Name
 
 `nix-store` - manipulate or query the Nix store