diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 29aa83e9..4ef7791b 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1719,6 +1719,7 @@ Pascal:
   - .dfm
   - .dpr
   - .lpr
+  - .pp
 
 Perl:
   type: programming
diff --git a/samples/Pascal/custforms.pp b/samples/Pascal/custforms.pp
new file mode 100644
index 00000000..a268aade
--- /dev/null
+++ b/samples/Pascal/custforms.pp
@@ -0,0 +1,193 @@
+unit custforms;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, Forms;
+
+Type
+
+  { TCustomFormDescr }
+
+  TCustomFormDescr = Class
+  private
+    FAuthor: String;
+    FCaption: String;
+    FCategory: String;
+    FDescription: String;
+    FFormClass: TFormClass;
+    FLazPackage: String;
+    FUnitName: String;
+  public
+    Constructor Create(AFormClass : TFormClass; const APackage: string);
+    Constructor Create(AFormClass : TFormClass; Const ACaption,ADescription,AUnit,APackage : String);
+    Property FormClass : TFormClass Read FFormClass Write FFormClass;
+    Property Caption : String Read FCaption Write FCaption;
+    Property Description : String Read FDescription Write FDescription;
+    Property UnitName : String Read FUnitName Write FUnitName;
+    Property Category : String Read FCategory Write FCategory;
+    Property Author : String Read FAuthor Write FAuthor;
+    Property LazPackage : String Read FLazPackage Write FLazPackage;
+  end;
+
+Procedure RegisterCustomForm(Descr : TCustomFormDescr);
+Procedure RegisterCustomForm(AFormClass : TFormClass; const APackage: string);
+Procedure RegisterCustomForm(AFormClass : TFormClass; Const AUnitName, APackage : String);
+
+Procedure Register;
+
+implementation
+
+uses ProjectIntf,NewItemIntf,contnrs;
+
+Const
+  SAppFrameWork = 'Custom forms';
+  SInstanceOf   = 'Create a new instance of %s';
+
+{ TCustomFormDescr }
+
+constructor TCustomFormDescr.Create(AFormClass: TFormClass;
+  const APackage: string);
+
+Var
+  N,U : String;
+
+begin
+  N:=AFormClass.ClassName;
+  U:=N;
+  If (Upcase(U[1])='T') then
+    Delete(U,1,1);
+  Create(AFormClass,N,Format(SInstanceOf,[N]),U,APackage);
+end;
+
+constructor TCustomFormDescr.Create(AFormClass: TFormClass;
+  const ACaption, ADescription, AUnit, APackage: String);
+begin
+  FFormClass:=AFormClass;
+  FCaption:=ACaption;
+  FDescription:=ADescription;
+  FUnitName:=AUnit;
+  FCategory:=SAppFrameWork;
+  FLazPackage:=APackage;
+end;
+
+// Registration code.
+
+Type
+  { TCustomFormFileDescriptor }
+  TCustomFormFileDescriptor = Class(TFileDescPascalUnitWithResource)
+  private
+    FFormDescr: TCustomFormDescr;
+  Public
+    Constructor Create(ADescr : TCustomFormDescr);
+    Property FormDescr : TCustomFormDescr Read FFormDescr;
+    Function GetLocalizedName : String; override;
+    Function GetLocalizedDescription : String; override;
+    Function GetInterfaceUsesSection : String; override;
+  end;
+
+{ TCustomFormFileDescriptor }
+
+constructor TCustomFormFileDescriptor.Create(ADescr: TCustomFormDescr);
+begin
+  Inherited Create;
+  FFormDescr:=ADescr;
+  ResourceClass:=FFormDescr.FFormClass;
+  Name:=FFormDescr.Caption;
+  RequiredPackages:=ADescr.LazPackage;
+  //Writeln('TCustomFormFileDescriptor.Create RequiredPackages=',RequiredPackages);
+end;
+
+function TCustomFormFileDescriptor.GetLocalizedName: String;
+begin
+  Result:=FFormDescr.Caption;
+end;
+
+function TCustomFormFileDescriptor.GetLocalizedDescription: String;
+begin
+  Result:=FFormDescr.Description;
+  If (FFormDescr.Author<>'') then
+    Result:=Result+LineEnding+'By '+FFormDescr.Author;
+end;
+
+function TCustomFormFileDescriptor.GetInterfaceUsesSection: String;
+begin
+  Result:=inherited GetInterfaceUsesSection;
+  Result:=Result+',Forms,'+FFormDescr.UnitName;
+end;
+
+Var
+  CustomFormList : TObjectList;
+
+Procedure RegisterCustomForm(Descr : TCustomFormDescr);
+
+begin
+  CustomFormList.Add(Descr);
+end;
+
+Procedure RegisterCustomForm(AFormClass : TFormClass; const APackage: string);
+
+begin
+  RegisterCustomForm(TCustomFormDescr.Create(AFormClass,APackage));
+end;
+
+Procedure RegisterCustomForm(AFormClass : TFormClass; Const AUnitName, APackage : String);
+
+Var
+  D : TCustomFormDescr;
+
+begin
+  D:=TCustomFormDescr.Create(AFormClass,APackage);
+  D.UnitName:=AUnitName;
+  RegisterCustomForm(D);
+end;
+
+
+Procedure Register;
+
+Var
+  L : TStringList;
+  I : Integer;
+  D : TCustomFormDescr;
+  
+begin
+  L:=TStringList.Create;
+  Try
+    L.Sorted:=True;
+    L.Duplicates:=dupIgnore;
+    For I:=0 to CustomFormList.Count-1 do
+      L.Add(TCustomFormDescr(CustomFormList[i]).Category);
+    For I:=0 to L.Count-1 do
+    begin
+      RegisterNewItemCategory(TNewIDEItemCategory.Create(L[i]));
+    end;
+  Finally
+    L.Free;
+  end;
+  For I:=0 to CustomFormList.Count-1 do
+    begin
+    D:=TCustomFormDescr(CustomFormList[i]);
+    RegisterProjectFileDescriptor(TCustomFormFileDescriptor.Create(D),D.Category);
+    end;
+end;
+
+Procedure InitCustomForms;
+
+begin
+  CustomFormList:=TObjectList.Create;
+end;
+
+Procedure DoneCustomForms;
+
+begin
+  FreeAndNil(CustomFormList);
+end;
+
+Initialization
+  InitCustomForms;
+Finalization
+  DoneCustomForms;
+end.
+
diff --git a/samples/Pascal/gtkextra.pp b/samples/Pascal/gtkextra.pp
new file mode 100644
index 00000000..9f2ebf8c
--- /dev/null
+++ b/samples/Pascal/gtkextra.pp
@@ -0,0 +1,51 @@
+{ $Id$ }
+{
+ ---------------------------------------------------------------------------
+ gtkextra.pp  -  GTK(2) widgetset - additional gdk/gtk functions
+ ---------------------------------------------------------------------------
+
+ This unit contains missing gdk/gtk functions and defines for certain 
+ versions of gtk or fpc.
+
+ ---------------------------------------------------------------------------
+
+ @created(Sun Jan 28th WET 2006)
+ @lastmod($Date$)
+ @author(Marc Weustink <marc@@dommelstein.nl>)
+
+ *****************************************************************************
+  This file is part of the Lazarus Component Library (LCL)
+
+  See the file COPYING.modifiedLGPL.txt, included in this distribution,
+  for details about the license.
+ *****************************************************************************
+ }
+
+unit GtkExtra;
+
+{$mode objfpc}{$H+}
+
+interface
+
+{$I gtkdefines.inc}
+
+{$ifdef gtk1}
+{$I gtk1extrah.inc}
+{$endif}
+
+{$ifdef gtk2}
+{$I gtk2extrah.inc}
+{$endif}
+
+
+implementation
+
+{$ifdef gtk1}
+{$I gtk1extra.inc}
+{$endif}
+
+{$ifdef gtk2}
+{$I gtk2extra.inc}
+{$endif}
+
+end.
diff --git a/samples/Puppet/expiringhost.pp b/samples/Puppet/expiringhost.pp
new file mode 100644
index 00000000..039d506d
--- /dev/null
+++ b/samples/Puppet/expiringhost.pp
@@ -0,0 +1,26 @@
+define example::expiringhost($ip, $timestamp) {
+
+  # Calculate the age of this resource by comparing 'now' against $timestamp
+  $age = inline_template("<%= require 'time'; Time.now - Time.parse(timestamp) %>")
+
+  # Max age, in seconds.
+  $maxage = 60
+
+  if $age > $maxage {
+    $expired = true
+    notice("Expiring resource $class[$name] due to age > $maxage (actual: $age)")
+  } else {
+    $expired = false
+    notice("Found recently-active $class[$name] (age: $age)")
+  }
+
+  # I set target to a /tmp path so you can run this example as non-root.
+  # In production, you probabyl won't set target as it defaults to /etc/hosts
+  # (or wherever puppet thinks your platform wants it)
+  host {
+    $name:
+      ip => $ip,
+      target => "/tmp/expiring-hosts-example-output",
+      ensure => $expired ? { true => absent, false => present };
+  }
+}
diff --git a/samples/Puppet/stages-example.pp b/samples/Puppet/stages-example.pp
new file mode 100644
index 00000000..864ba5d3
--- /dev/null
+++ b/samples/Puppet/stages-example.pp
@@ -0,0 +1,26 @@
+class foo {
+  notify {
+    "foo": ;
+  }
+}
+
+class bar {
+  notify {
+    "bar": ;
+  }
+}
+
+
+node default {
+  stage {
+    "one": ;
+    "two": ;
+  }
+
+  class {
+    "foo": stage => "one";
+    "bar": stage => "two";
+  }
+
+  Stage["one"] -> Stage["two"]
+}
diff --git a/samples/Puppet/unmanaged-notify-puppet25.pp b/samples/Puppet/unmanaged-notify-puppet25.pp
new file mode 100644
index 00000000..3de728f8
--- /dev/null
+++ b/samples/Puppet/unmanaged-notify-puppet25.pp
@@ -0,0 +1,22 @@
+# Manually manage /tmp/original
+# Each puppet run will copy it to /tmp/flag if there's a change and notify
+# the exec when it changes.
+# 
+# The idea here is you might need (in some case) to manually manage a file outside
+# of puppet (in this case, "/tmp/original"). Using this example, you can make puppet
+# signal other parts of your catalog based on changes to that file.
+
+file {
+  # This will, when different, copy /tmp/original to /tmp/flag and notify our
+  # exec.
+  "/tmp/flag":
+    source => "file:///tmp/original",
+    notify => Exec["hello world"];
+}
+
+exec {
+  "hello world":
+    command => "/bin/echo hello world",
+    refreshonly => true;
+}
+