doc: fix spurious whitespace

1 files changed, 123 insertions, 123 deletions

diff --git a/doc/languages-frameworks/beam.xml b/doc/languages-frameworks/beam.xml
index ac7a83ed4265..b896b564fb7c 100644
--- a/doc/languages-frameworks/beam.xml
+++ b/doc/languages-frameworks/beam.xml
@@ -140,7 +140,7 @@ beamPackages.jiffy      jiffy-0.14.5
 beamPackages.lager      lager-3.0.2
 beamPackages.meck       meck-0.8.3
 beamPackages.rebar3-pc  pc-1.1.0
-  </programlisting>
+</programlisting>
 
   <para>
    To install any of those packages into your profile, refer to them by their
@@ -149,7 +149,7 @@ beamPackages.rebar3-pc  pc-1.1.0
 
 <programlisting>
 $ nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA beamPackages.ibrowse
-  </programlisting>
+</programlisting>
 
   <para>
    The attribute path of any BEAM package corresponds to the name of that
@@ -178,22 +178,22 @@ $ nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA beamPackages.ibrowse
     </para>
 
 <programlisting>
-        { stdenv, fetchFromGitHub, buildRebar3, ibrowse, jsx, erlware_commons }:
+{ stdenv, fetchFromGitHub, buildRebar3, ibrowse, jsx, erlware_commons }:
 
-        buildRebar3 rec {
-          name = "hex2nix";
-          version = "0.0.1";
+buildRebar3 rec {
+  name = "hex2nix";
+  version = "0.0.1";
 
-          src = fetchFromGitHub {
-            owner = "ericbmerritt";
-            repo = "hex2nix";
-            rev = "${version}";
-            sha256 = "1w7xjidz1l5yjmhlplfx7kphmnpvqm67w99hd2m7kdixwdxq0zqg";
-          };
+  src = fetchFromGitHub {
+    owner = "ericbmerritt";
+    repo = "hex2nix";
+    rev = "${version}";
+    sha256 = "1w7xjidz1l5yjmhlplfx7kphmnpvqm67w99hd2m7kdixwdxq0zqg";
+  };
 
-          beamDeps = [ ibrowse jsx erlware_commons ];
-        }
-      </programlisting>
+  beamDeps = [ ibrowse jsx erlware_commons ];
+}
+</programlisting>
 
     <para>
      Such derivations are callable with
@@ -228,29 +228,29 @@ $ nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA beamPackages.ibrowse
     </para>
 
 <programlisting>
-        { buildErlangMk, fetchHex, cowlib, ranch }:
-
-        buildErlangMk {
-          name = "cowboy";
-          version = "1.0.4";
-
-          src = fetchHex {
-            pkg = "cowboy";
-            version = "1.0.4";
-            sha256 = "6a0edee96885fae3a8dd0ac1f333538a42e807db638a9453064ccfdaa6b9fdac";
-          };
-
-          beamDeps = [ cowlib ranch ];
-
-          meta = {
-            description = ''
-              Small, fast, modular HTTP server written in Erlang
-            '';
-            license = stdenv.lib.licenses.isc;
-            homepage = https://github.com/ninenines/cowboy;
-          };
-        }
-      </programlisting>
+{ buildErlangMk, fetchHex, cowlib, ranch }:
+
+buildErlangMk {
+  name = "cowboy";
+  version = "1.0.4";
+
+  src = fetchHex {
+    pkg = "cowboy";
+    version = "1.0.4";
+    sha256 = "6a0edee96885fae3a8dd0ac1f333538a42e807db638a9453064ccfdaa6b9fdac";
+  };
+
+  beamDeps = [ cowlib ranch ];
+
+  meta = {
+    description = ''
+      Small, fast, modular HTTP server written in Erlang
+    '';
+    license = stdenv.lib.licenses.isc;
+    homepage = https://github.com/ninenines/cowboy;
+  };
+}
+</programlisting>
    </section>
 
    <section xml:id="mix-packages">
@@ -262,56 +262,56 @@ $ nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA beamPackages.ibrowse
     </para>
 
 <programlisting>
-        { buildMix, fetchHex, plug, absinthe }:
-
-        buildMix {
-          name = "absinthe_plug";
-          version = "1.0.0";
-
-          src = fetchHex {
-            pkg = "absinthe_plug";
-            version = "1.0.0";
-            sha256 = "08459823fe1fd4f0325a8bf0c937a4520583a5a26d73b193040ab30a1dfc0b33";
-          };
-
-          beamDeps = [ plug absinthe ];
-
-          meta = {
-            description = ''
-              A plug for Absinthe, an experimental GraphQL toolkit
-            '';
-            license = stdenv.lib.licenses.bsd3;
-            homepage = https://github.com/CargoSense/absinthe_plug;
-          };
-        }
-      </programlisting>
+{ buildMix, fetchHex, plug, absinthe }:
+
+buildMix {
+  name = "absinthe_plug";
+  version = "1.0.0";
+
+  src = fetchHex {
+    pkg = "absinthe_plug";
+    version = "1.0.0";
+    sha256 = "08459823fe1fd4f0325a8bf0c937a4520583a5a26d73b193040ab30a1dfc0b33";
+  };
+
+  beamDeps = [ plug absinthe ];
+
+  meta = {
+    description = ''
+      A plug for Absinthe, an experimental GraphQL toolkit
+    '';
+    license = stdenv.lib.licenses.bsd3;
+    homepage = https://github.com/CargoSense/absinthe_plug;
+  };
+}
+</programlisting>
 
     <para>
      Alternatively, we can use <literal>buildHex</literal> as a shortcut:
     </para>
 
 <programlisting>
-        { buildHex, buildMix, plug, absinthe }:
+{ buildHex, buildMix, plug, absinthe }:
 
-        buildHex {
-          name = "absinthe_plug";
-          version = "1.0.0";
+buildHex {
+  name = "absinthe_plug";
+  version = "1.0.0";
 
-          sha256 = "08459823fe1fd4f0325a8bf0c937a4520583a5a26d73b193040ab30a1dfc0b33";
+  sha256 = "08459823fe1fd4f0325a8bf0c937a4520583a5a26d73b193040ab30a1dfc0b33";
 
-          builder = buildMix;
+  builder = buildMix;
 
-          beamDeps = [ plug absinthe ];
+  beamDeps = [ plug absinthe ];
 
-          meta = {
-            description = ''
-              A plug for Absinthe, an experimental GraphQL toolkit
-            '';
-            license = stdenv.lib.licenses.bsd3;
-            homepage = https://github.com/CargoSense/absinthe_plug;
-         };
-       }
-      </programlisting>
+  meta = {
+    description = ''
+      A plug for Absinthe, an experimental GraphQL toolkit
+    '';
+    license = stdenv.lib.licenses.bsd3;
+    homepage = https://github.com/CargoSense/absinthe_plug;
+ };
+}
+</programlisting>
    </section>
   </section>
  </section>
@@ -330,47 +330,47 @@ $ nix-env -f &quot;&lt;nixpkgs&gt;&quot; -iA beamPackages.ibrowse
     could do the following:
    </para>
 
-<programlisting>
-      $ nix-shell -A beamPackages.ibrowse.env --run "erl"
-      Erlang/OTP 18 [erts-7.0] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]
-
-      Eshell V7.0  (abort with ^G)
-      1> m(ibrowse).
-      Module: ibrowse
-      MD5: 3b3e0137d0cbb28070146978a3392945
-      Compiled: January 10 2016, 23:34
-      Object file: /nix/store/g1rlf65rdgjs4abbyj4grp37ry7ywivj-ibrowse-4.2.2/lib/erlang/lib/ibrowse-4.2.2/ebin/ibrowse.beam
-      Compiler options:  [{outdir,"/tmp/nix-build-ibrowse-4.2.2.drv-0/hex-source-ibrowse-4.2.2/_build/default/lib/ibrowse/ebin"},
-      debug_info,debug_info,nowarn_shadow_vars,
-      warn_unused_import,warn_unused_vars,warnings_as_errors,
-      {i,"/tmp/nix-build-ibrowse-4.2.2.drv-0/hex-source-ibrowse-4.2.2/_build/default/lib/ibrowse/include"}]
-      Exports:
-      add_config/1                  send_req_direct/7
-      all_trace_off/0               set_dest/3
-      code_change/3                 set_max_attempts/3
-      get_config_value/1            set_max_pipeline_size/3
-      get_config_value/2            set_max_sessions/3
-      get_metrics/0                 show_dest_status/0
-      get_metrics/2                 show_dest_status/1
-      handle_call/3                 show_dest_status/2
-      handle_cast/2                 spawn_link_worker_process/1
-      handle_info/2                 spawn_link_worker_process/2
-      init/1                        spawn_worker_process/1
-      module_info/0                 spawn_worker_process/2
-      module_info/1                 start/0
-      rescan_config/0               start_link/0
-      rescan_config/1               stop/0
-      send_req/3                    stop_worker_process/1
-      send_req/4                    stream_close/1
-      send_req/5                    stream_next/1
-      send_req/6                    terminate/2
-      send_req_direct/4             trace_off/0
-      send_req_direct/5             trace_off/2
-      send_req_direct/6             trace_on/0
-      trace_on/2
-      ok
-      2>
-    </programlisting>
+<screen>
+<prompt>$ </prompt><userinput>nix-shell -A beamPackages.ibrowse.env --run "erl"</userinput>
+<computeroutput>Erlang/OTP 18 [erts-7.0] [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false]
+
+Eshell V7.0  (abort with ^G)</computeroutput>
+<prompt>1> </prompt><userinput>m(ibrowse).</userinput>
+<computeroutput>Module: ibrowse
+MD5: 3b3e0137d0cbb28070146978a3392945
+Compiled: January 10 2016, 23:34
+Object file: /nix/store/g1rlf65rdgjs4abbyj4grp37ry7ywivj-ibrowse-4.2.2/lib/erlang/lib/ibrowse-4.2.2/ebin/ibrowse.beam
+Compiler options:  [{outdir,"/tmp/nix-build-ibrowse-4.2.2.drv-0/hex-source-ibrowse-4.2.2/_build/default/lib/ibrowse/ebin"},
+debug_info,debug_info,nowarn_shadow_vars,
+warn_unused_import,warn_unused_vars,warnings_as_errors,
+{i,"/tmp/nix-build-ibrowse-4.2.2.drv-0/hex-source-ibrowse-4.2.2/_build/default/lib/ibrowse/include"}]
+Exports:
+add_config/1                  send_req_direct/7
+all_trace_off/0               set_dest/3
+code_change/3                 set_max_attempts/3
+get_config_value/1            set_max_pipeline_size/3
+get_config_value/2            set_max_sessions/3
+get_metrics/0                 show_dest_status/0
+get_metrics/2                 show_dest_status/1
+handle_call/3                 show_dest_status/2
+handle_cast/2                 spawn_link_worker_process/1
+handle_info/2                 spawn_link_worker_process/2
+init/1                        spawn_worker_process/1
+module_info/0                 spawn_worker_process/2
+module_info/1                 start/0
+rescan_config/0               start_link/0
+rescan_config/1               stop/0
+send_req/3                    stop_worker_process/1
+send_req/4                    stream_close/1
+send_req/5                    stream_next/1
+send_req/6                    terminate/2
+send_req_direct/4             trace_off/0
+send_req_direct/5             trace_off/2
+send_req_direct/6             trace_on/0
+trace_on/2
+ok</computeroutput>
+<prompt>2></prompt>
+</screen>
 
    <para>
     Notice the <literal>-A beamPackages.ibrowse.env</literal>. That is the key
@@ -408,7 +408,7 @@ let
 in
 
   drv
-    </programlisting>
+</programlisting>
 
    <section xml:id="building-in-a-shell">
     <title>Building in a Shell (for Mix Projects)</title>
@@ -474,7 +474,7 @@ plt:
 analyze: build plt
         $(NIX_SHELL) --run "mix dialyzer --no-compile"
 
-    </programlisting>
+</programlisting>
 
     <para>
      Using a <literal>shell.nix</literal> as described (see
@@ -513,9 +513,9 @@ analyze: build plt
    <literal>nixpkgs</literal> repository:
   </para>
 
-<programlisting>
-$ nix-build -A beamPackages
-    </programlisting>
+<screen>
+<prompt>$ </prompt>nix-build -A beamPackages
+</screen>
 
   <para>
    That will attempt to build every package in <literal>beamPackages</literal>.