diff --git a/development/Win32/packaging/AltInstaller/Updated.nsh b/development/Win32/packaging/AltInstaller/Updated.nsh
index 814ec99d5d..dcdacba108 100644
--- a/development/Win32/packaging/AltInstaller/Updated.nsh
+++ b/development/Win32/packaging/AltInstaller/Updated.nsh
@@ -20,8 +20,11 @@ Function UpdateModifiedFiles
  SetOutPath "$INSTDIR\Resources\doc\fr"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\fr\UserGuide.lyx"
  SetOutPath "$INSTDIR\Resources\examples"
+ File "${PRODUCT_SOURCEDIR}\Resources\examples\achemso.lyx"
+ File "${PRODUCT_SOURCEDIR}\Resources\examples\biblioExample.bib"
  File "${PRODUCT_SOURCEDIR}\Resources\examples\seminar.lyx"
  SetOutPath "$INSTDIR\Resources\layouts"
+ File "${PRODUCT_SOURCEDIR}\Resources\layouts\achemso.layout"
  File "${PRODUCT_SOURCEDIR}\Resources\layouts\amsbook.layout"
  SetOutPath "$INSTDIR\Resources\lyx2lyx" # always here
  File "${PRODUCT_SOURCEDIR}\Resources\lyx2lyx\lyx2lyx_version.py" # always here
diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index a96b2c1b19..1b51fb3e25 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -2309,14 +2309,9 @@ lib_doc_uk_clipart_files = Split('''
 
 
 lib_examples_files = Split('''
-    Braille.lyx
-    CV-image.eps
-    CV-image.png
-    Foils.lyx
-    ItemizeBullets.lyx
-    Literate.lyx
     aa_sample.lyx
     aas_sample.lyx
+    achemso.lyx
     addressExample.adr
     amsart-test.lyx
     amsbook-test.lyx
@@ -2334,18 +2329,24 @@ lib_examples_files = Split('''
     beamer-knight4.png
     beamerlyxexample1.lyx
     biblioExample.bib
+    Braille.lyx
     chess-article.lyx
     chessgame.lyx
+    CV-image.eps
+    CV-image.png
     docbook_article.lyx
     europeCV.lyx
     example_lyxified.lyx
     example_raw.lyx
+    Foils.lyx
     iecc05.fen
     iecc07.fen
     iecc12.fen
+    ItemizeBullets.lyx
     landslide.lyx
     linguistics.lyx
     listerrors.lyx
+    Literate.lyx
     modernCV.lyx
     multicol.lyx
     noweb2lyx.lyx
@@ -2529,6 +2530,7 @@ lib_layouts_files = Split('''
     aa.layout
     aapaper.layout
     aastex.layout
+    achemso.layout
     agu-dtd.layout
     agums.layout
     amsart.layout
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 4c990594af..12db219cc3 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -192,6 +192,7 @@ dist_examples_DATA = \
 	examples/Literate.lyx \
 	examples/aa_sample.lyx \
 	examples/aas_sample.lyx \
+	examples/achemso.lyx \
 	examples/addressExample.adr \
 	examples/amsart-test.lyx \
 	examples/amsbook-test.lyx \
@@ -942,6 +943,7 @@ dist_layouts_DATA =\
 	layouts/aapaper.inc \
 	layouts/aapaper.layout \
 	layouts/aastex.layout \
+	layouts/achemso.layout \
 	layouts/agu-dtd.layout \
 	layouts/agu_stdclass.inc \
 	layouts/agu_stdcounters.inc \
diff --git a/lib/examples/achemso.lyx b/lib/examples/achemso.lyx
new file mode 100644
index 0000000000..fb9f7a39fa
--- /dev/null
+++ b/lib/examples/achemso.lyx
@@ -0,0 +1,460 @@
+#LyX 1.6.1svn created this file. For more info see http://www.lyx.org/
+\lyxformat 345
+\begin_document
+\begin_header
+\textclass achemso
+\begin_preamble
+ % Formula chemical sum formula subscripts using the command \ce
+\usepackage[version=3]{mhchem}
+
+%% Each author should be given as a separate \author command.
+%%
+%% Corresponding authors should have an e-mail given after the author
+%% name as an \email command.
+%%
+%% The affiliation of authors is given after the authors; each
+%% \affiliation command applies to all preceding authors not already
+%% assigned an affiliation.
+%%
+%% The affiliation takes an option argument for the short name.  This
+%% will typically be something like "University of Somewhere".
+%%
+%% The \altaffiliation macro should be used for new address, etc.
+\author{Andrew N. Other}
+\author{Fred T. Secondauthor}
+\altaffiliation{Current address: Some other place, Othertown,
+Germany}
+\author{I. Ken Groupleader}
+\email{i.k.groupleader@unknown.uu}
+\affiliation[Unknown University]
+{Department of Chemistry, Unknown University, Unknown Town}
+
+% A short title can be given as a *suggestion* for running headers.
+\title[\texttt{achemso} demonstration]
+{A demonstration of the \textsf{achemso} \LaTeX class}
+\end_preamble
+\options journal=jacsat,manuscript=article
+\use_default_options false
+\begin_modules
+theorems-ams
+\end_modules
+\language english
+\inputencoding auto
+\font_roman default
+\font_sans default
+\font_typewriter default
+\font_default_family default
+\font_sc false
+\font_osf false
+\font_sf_scale 100
+\font_tt_scale 100
+
+\graphics default
+\paperfontsize default
+\spacing single
+\use_hyperref false
+\papersize default
+\use_geometry false
+\use_amsmath 0
+\use_esint 0
+\cite_engine basic
+\use_bibtopic false
+\paperorientation portrait
+\secnumdepth 3
+\tocdepth 3
+\paragraph_separation indent
+\defskip medskip
+\quotes_language english
+\papercolumns 1
+\papersides 1
+\paperpagestyle default
+\tracking_changes false
+\output_changes false
+\author "" 
+\author "" 
+\end_header
+
+\begin_body
+
+\begin_layout Standard
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ The author, affiliation, email addresses, and the document title have to
+ set up in the LaTeX preamble of this document!
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ The journal where you want to sumit is specified in the document class
+ options of this file.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Abstract
+This is the abstract.
+\end_layout
+
+\begin_layout Section
+Introduction
+\end_layout
+
+\begin_layout Standard
+This is a paragraph of text.
+\end_layout
+
+\begin_layout Section
+Results and discussion
+\end_layout
+
+\begin_layout Subsection
+Outline
+\end_layout
+
+\begin_layout Subsection
+References
+\end_layout
+
+\begin_layout Standard
+The class makes various changes to the way that references are handled.
+ The class loads 
+\family sans
+natbib
+\family default
+, and also the appropriate bibliography style.
+ References can be made using the normal method; the citation should be
+ placed before any punctuation, as the class will move it if using a superscript
+ citation style 
+\begin_inset CommandInset citation
+LatexCommand cite
+key "Mena2000,Abernethy2003"
+
+\end_inset
+
+.
+ The use of 
+\family sans
+natbib
+\family default
+ allows the use of the various citation commands of that package: 
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
+\backslash
+citeauthor{
+\end_layout
+
+\end_inset
+
+Abernethy2003
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+}
+\end_layout
+
+\end_inset
+
+ have shown something, or in 
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
+\backslash
+citeyear{
+\end_layout
+
+\end_inset
+
+Cotton1999
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+}
+\end_layout
+
+\end_inset
+
+.
+ Long lists of authors will be automatically truncated in most article formats,
+ but not in supplementary information or reviews 
+\begin_inset CommandInset citation
+LatexCommand cite
+key "Pople2003"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+Multiple citations to be combined into a list can be given as a single citation.
+ This uses the 
+\family sans
+mciteplus
+\family default
+ package 
+\begin_inset CommandInset citation
+LatexCommand cite
+key "Arduengo1992,*Eisenstein2005,*Arduengo1994"
+
+\end_inset
+
+.
+ Citations other than the first of the list should be indicated with a star.
+\end_layout
+
+\begin_layout Standard
+The class also handles notes to be added to the bibliography.
+ These should be given in place in the document
+\begin_inset Flex Bibnote
+status open
+
+\begin_layout Plain Layout
+This is a bibnote; its text will be moved the the references section.
+ Bibnotes are inserted with the menu 
+\family sans
+Insert\SpecialChar \menuseparator
+Custom Insets
+\family default
+.
+\end_layout
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+As with citations, the text should be placed before punctuation.
+ A note is also generated if a citation has an optional note.
+ This assumes that the whole work has already been cited: odd numbering
+ will result if this is not the case 
+\begin_inset CommandInset citation
+LatexCommand cite
+after "p.~1"
+key "Cotton1999"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Subsection
+Some Infos
+\end_layout
+
+\begin_layout Standard
+Besides the standard figure and table floats, the achemso LaTeX-class profives
+ scheme, chart, and graph floats.
+\end_layout
+
+\begin_layout Standard
+\begin_inset Float scheme
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\begin_inset Caption
+
+\begin_layout Plain Layout
+An example scheme
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset Float chart
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\begin_inset Caption
+
+\begin_layout Plain Layout
+An example chart
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset Float graph
+wide false
+sideways false
+status open
+
+\begin_layout Plain Layout
+\begin_inset Caption
+
+\begin_layout Plain Layout
+An example graph
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+The example file also loads the 
+\family sans
+mhchem
+\family default
+ package, so that formulas are easy to input: 
+\family typewriter
+
+\backslash
+ce{H2SO4}
+\family default
+ gives 
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
+\backslash
+ce{
+\end_layout
+
+\end_inset
+
+H2SO4
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+}
+\end_layout
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
+\backslash
+acknowledgement
+\end_layout
+
+\end_inset
+
+
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+Optional
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Acknowledgments go here.
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
+\backslash
+suppinfo
+\end_layout
+
+\end_inset
+
+
+\begin_inset Note Note
+status open
+
+\begin_layout Plain Layout
+Optional
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Supplemental informations go here.
+\end_layout
+
+\begin_layout Standard
+\begin_inset CommandInset bibtex
+LatexCommand bibtex
+bibfiles "biblioExample"
+
+\end_inset
+
+
+\end_layout
+
+\end_body
+\end_document
diff --git a/lib/examples/biblioExample.bib b/lib/examples/biblioExample.bib
index f1be181d12..23236fdf22 100644
--- a/lib/examples/biblioExample.bib
+++ b/lib/examples/biblioExample.bib
@@ -1,5 +1,110 @@
-This file was created with JabRef 2.2.
-Encoding: Cp1252
+% This file was created with JabRef 2.4.2.
+% Encoding: Cp1252
+
+@ARTICLE{Mena2000,
+  author = {Angel Abarca and Pilar G\'omez-Sal and Avelino Mart\'in and Miguel
+	Mena and Josep Mar\'ia Poblet and Carlos Y\'elamos},
+  title = {{A}mmonolysis of mono(pentamethylcyclopentadienyl) titanium(\textsc{iv})
+	derivatives},
+  journal = {Inorg. Chem.},
+  year = {2000},
+  volume = {39},
+  pages = {642--651},
+  number = {4},
+  doi = {10.1021/ic9907718}
+}
+
+@ARTICLE{Abernethy2003,
+  author = {Colin D. Abernethy and Gareth M. Codd and Mark D. Spicer and Michelle
+	K. Taylor},
+  title = {{A} highly stable {N}-heterocyclic carbene complex of trichloro-oxo-vanadium(\textsc{v})
+	displaying novel {C}l---{C}(carbene) bonding interactions},
+  journal = {{J}. {A}m. {C}hem. {S}oc.},
+  year = {2003},
+  volume = {125},
+  pages = {1128--1129},
+  number = {5},
+  doi = {10.1021/ja0276321}
+}
+
+@ARTICLE{Eisenstein2005,
+  author = {Appelhans, Leah N. and Zuccaccia, Daniele and Kovacevic, Anes and
+	Chianese, Anthony R. and Miecznikowski, John R. and Macchioni, Aleco
+	and Clot, Eric and Eisenstein, Odile and Crabtree, Robert H.},
+  title = {{A}n anion-dependent switch in selectivity results from a change
+	of {C}---{H} activation mechanism in the reaction of an imidazolium
+	salt with \ce{IrH5(PPh3)2}},
+  journal = {{J}.~{A}m.\ {C}hem. {S}oc.},
+  year = {2005},
+  volume = {127},
+  pages = {16299--16311},
+  number = {46},
+  doi = {10.1021/ja055317j}
+}
+
+@ARTICLE{Arduengo1992,
+  author = {Arduengo, III, Anthony J. and H. V. Rasika Dias and Richard L. Harlow
+	and Michael Kline},
+  title = {{E}lectronic stabilization of nucleophilic carbenes},
+  journal = {{J}.~{A}m.\ {C}hem.\ {S}oc.},
+  year = {1992},
+  volume = {114},
+  pages = {5530--5534},
+  number = {14},
+  doi = {10.1021/ja00040a007}
+}
+
+@ARTICLE{Arduengo1994,
+  author = {Arduengo, III, Anthony J. and Siegfried F. Gamper and Joseph C. Calabrese
+	and Fredric Davidson},
+  title = {{L}ow-coordinate carbene complexes of nickel(0) and platinum(0)},
+  journal = jacsat,
+  year = {1994},
+  volume = {116},
+  pages = {4391--4394},
+  number = {10},
+  doi = {10.1021/ja00089a029}
+}
+
+@BOOK{Cotton1999,
+  title = {{A}dvanced {I}norganic {C}hemistry},
+  publisher = {Wiley},
+  year = {1999},
+  author = {Cotton, Frank Albert and Wilkinson, Geoffrery and Murillio, Carlos
+	A. and Bochmann, Manfred},
+  address = {Chichester},
+  edition = {6}
+}
+
+@MANUAL{Pople2003,
+  title = {{G}aussian 03},
+  author = {M.~J. Frisch and G.~W. Trucks and H.~B. Schlegel and G.~E. Scuseria
+	and M.~A. Robb and J.~R. Cheeseman and Montgomery and Jr. and J.
+	A. and T. Vreven and K.~N. Kudin and J.~C. Burant and J.~M. Millam
+	and S.~S. Iyengar and J. Tomasi and V. Barone and B. Mennucci and
+	M. Cossi and G. Scalmani and N. Rega and G.~A. Petersson and H. Nakatsuji
+	and M. Hada and M. Ehara and K. Toyota and R. Fukuda and J. Hasegawa
+	and M. Ishida and T. Nakajima and Y. Honda and O. Kitao and H. Nakai
+	and M. Klene and X. Li and J.~E. Knox and H.~P. Hratchian and J.~B.
+	Cross and V. Bakken and C. Adamo and J. Jaramillo and R. Gomperts
+	and R.~E. Stratmann and O. Yazyev and A.~J. Austin and R. Cammi and
+	C. Pomelli and J.~W. Ochterski and P.~Y. Ayala and K. Morokuma and
+	G.~A. Voth and P. Salvador and J.~J. Dannenberg and V.~G. Zakrzewski
+	and S. Dapprich and A.~D. Daniels and M.~C. Strain and O. Farkas
+	and D.~K. Malick and A.~D. Rabuck and K. Raghavachari and J.~B. Foresman
+	and J.~V. Ortiz and Q. Cui and A.~G. Baboul and S. Clifford and J.
+	Cioslowski and B.~B. Stefanov and G. Liu and A. Liashenko and P.
+	Piskorz and I. Komaromi and R.~L. Martin and D.~J. Fox and T. Keith
+	and M.~A. Al-Laham and C.~Y. Peng and A. Nanayakkara and M. Challacombe
+	and P.~M.~W. Gill and B. Johnson and W. Chen and M.~W. Wong and C.
+	Gonzalez and J.~A. Pople},
+  organization = {Gaussian, Inc.},
+  address = {Wallingford, CT},
+  year = {2004},
+  howpublished = {Gaussian, Inc., Wallingford, CT, USA},
+  institution = {Gaussian, Inc.},
+  publisher = {Gaussian, Inc.}
+}
 
 @BOOK{LComp2004,
   title = {The LaTeX Companion Second Edition},
diff --git a/lib/layouts/achemso.layout b/lib/layouts/achemso.layout
new file mode 100644
index 0000000000..ab0c0a71b7
--- /dev/null
+++ b/lib/layouts/achemso.layout
@@ -0,0 +1,188 @@
+#% Do not delete the line below; configure depends on this
+#  \DeclareLaTeXClass[achemso]{article (ACS)}
+# achemso textclass definition file.
+# Author: Uwe Stöhr (uwestoehr@web.de)
+
+Format 11
+
+Columns                 1
+Sides                   1
+SecNumDepth             3
+TocDepth                3
+DefaultStyle            Standard
+
+ClassOptions
+	FontSize		10|11|12
+end
+
+
+# This is just to show how to declare the default font.
+# The defaults are exactly those shown here.
+DefaultFont
+	Family			Roman
+	Series			Medium
+	Shape			Up
+	Size			Normal
+	Color			None
+EndFont
+
+
+Style Standard
+	Margin			Static
+	LatexType		Paragraph
+	LatexName		dummy
+	ParIndent		MM
+	ParSkip			0.4
+	Align			Block
+	AlignPossible		Block, Left, Right, Center
+	LabelType		No_Label
+End
+
+
+Input stdcounters.inc
+Input stdfloats.inc
+Input stdlists.inc
+Input stdsections.inc
+Input stdstarsections.inc
+
+NoStyle Chapter
+NoStyle Chapter*
+
+
+Float
+	Type			scheme
+	GuiName			Scheme
+	Placement		tbp
+	Extension		los
+	NumberWithin		none
+	Style			plain
+	ListName		"List of Schemes"
+	LaTeXBuiltin		true
+End
+
+InsetLayout scheme
+	LabelString		Scheme
+	LabelFont
+	  Color			collapsable
+	  Size			Small
+	EndFont
+	MultiPar		true
+End
+
+
+Float
+	Type			chart
+	GuiName			Chart
+	Placement		tbp
+	Extension		loc
+	NumberWithin		none
+	Style			plain
+	ListName		"List of Charts"
+	LaTeXBuiltin		true
+End
+
+InsetLayout chart
+	LabelString		Chart
+	LabelFont
+	  Color			collapsable
+	  Size			Small
+	EndFont
+	MultiPar		true
+End
+
+
+Float
+	Type			graph
+	GuiName			Graph
+	Placement		tbp
+	Extension		loh
+	NumberWithin		none
+	Style			plain
+	ListName		"List of Graphs"
+	LaTeXBuiltin		true
+End
+
+InsetLayout graph
+	LabelString		Graph
+	LabelFont
+	  Color			collapsable
+	  Size			Small
+	EndFont
+	MultiPar		true
+End
+
+
+Style Abstract
+	Margin			Static
+	LatexType		Environment
+	LatexName		abstract
+	Category		FrontMatter
+	InTitle			1
+	NextNoIndent		1
+	LeftMargin		MMM
+	RightMargin		MMM
+	ParIndent		MM
+	ItemSep			0
+	TopSep			0.7
+	BottomSep		0.7
+	ParSep			0
+	Align			Block
+	AlignPossible		Block
+	LabelType		Centered_Top_Environment
+	LabelString		"Abstract"
+	LabelBottomSep		0.5
+	Font
+	  Size			Small
+	EndFont
+	LabelFont
+	  Series		Bold
+	  Size			Large
+	EndFont
+End
+
+
+InsetLayout Bibnote
+	LyxType			custom
+	LatexType		command
+	LatexName		bibnote
+	LabelString		"bibnote"
+	Decoration		Classic
+	Font
+	  Color			foreground
+	  Size			Small
+	  Family		Roman
+	  Shape			Up
+	  Series		Medium
+	  Misc			No_Emph
+	  Misc			No_Noun
+	  Misc			No_Bar
+	EndFont
+	LabelFont
+	  Size			Small
+	EndFont
+	MultiPar		true
+End
+
+
+Style Bibliography
+	Margin			First_Dynamic
+	LatexType		Bib_Environment
+	LatexName		thebibliography
+	NextNoIndent		1
+	LeftMargin		MM
+	ParSkip			0.4
+	ItemSep			0
+	TopSep			0.7
+	BottomSep		0.7
+	ParSep			0.5
+	Align			Block
+	AlignPossible		Block, Left
+	LabelType		Bibliography
+	LabelString		"References"
+	LabelBottomSep		1.2
+	LabelFont
+	  Series		Bold
+	  Size			Larger
+	EndFont
+End
+
diff --git a/status.16x b/status.16x
index 15a29596d0..8b9706c968 100644
--- a/status.16x
+++ b/status.16x
@@ -27,6 +27,9 @@ What's new
 
 * DOCUMENT INPUT/OUTPUT
 
+- New layout file for journal articles published by the American Chemical
+  Society.
+
 - Updated localization of the user interface for German, Italian, Czech and 
   Turkish.