X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=lib%2Flyx2lyx%2Flyx_2_1.py;h=91666ba4e2746048586fa8c82c80dc21b5d3d248;hb=a84a98b54561044b5902dfce39bc31082877fec1;hp=064b938ad1bb5e862a4a6fbe57c663603c419a8e;hpb=5a7672adec7da591fe5c43ebcf8787a1fa11aa2c;p=lyx.git

diff --git a/lib/lyx2lyx/lyx_2_1.py b/lib/lyx2lyx/lyx_2_1.py
index 064b938ad1..91666ba4e2 100644
--- a/lib/lyx2lyx/lyx_2_1.py
+++ b/lib/lyx2lyx/lyx_2_1.py
@@ -25,18 +25,18 @@ import sys, os
 
 # Uncomment only what you need to import, please.
 
-from parser_tools import find_token, find_end_of_inset, get_value, \
-   del_token
+from parser_tools import del_token, find_token, find_token_backwards, find_end_of, \
+    find_end_of_inset, find_end_of_layout, find_re, get_option_value, get_containing_layout, \
+    get_value, get_quoted_value, set_option_value
 
 #from parser_tools import find_token, find_end_of, find_tokens, \
   #find_token_exact, find_end_of_inset, find_end_of_layout, \
-  #find_token_backwards, is_in_inset, get_value, get_quoted_value, \
-  #del_token, check_token, get_option_value
+  #is_in_inset, del_token, check_token
 
-from lyx2lyx_tools import add_to_preamble, put_cmd_in_ert
+from lyx2lyx_tools import add_to_preamble, put_cmd_in_ert, get_ert
 
-#from lyx2lyx_tools import add_to_preamble, insert_to_preamble, \
-#  put_cmd_in_ert, lyx2latex, latex_length, revert_flex_inset, \
+#from lyx2lyx_tools import insert_to_preamble, \
+#  lyx2latex, latex_length, revert_flex_inset, \
 #  revert_font_attrs, hex2ratio, str2bool
 
 ####################################################################
@@ -73,8 +73,19 @@ def revert_visible_space(document):
 def convert_undertilde(document):
     " Load undertilde automatically "
     i = find_token(document.header, "\\use_mathdots" , 0)
-    if i != -1:
-      document.header.insert(i + 1, "\\use_undertilde 1")
+    if i == -1:
+        i = find_token(document.header, "\\use_mhchem" , 0)
+    if i == -1:
+        i = find_token(document.header, "\\use_esint" , 0)
+    if i == -1:
+        document.warning("Malformed LyX document: Can't find \\use_mathdots.")
+        return;
+    j = find_token(document.preamble, "\\usepackage{undertilde}", 0)
+    if j == -1:
+        document.header.insert(i + 1, "\\use_undertilde 0")
+    else:
+        document.header.insert(i + 1, "\\use_undertilde 2")
+        del document.preamble[j]
 
 
 def revert_undertilde(document):
@@ -99,7 +110,7 @@ def revert_undertilde(document):
         # force load case
         add_to_preamble(document, ["\\usepackage{undertilde}"])
         return
-    
+
     # so we are in the auto case. we want to load undertilde if \utilde is used.
     i = 0
     while True:
@@ -198,7 +209,1622 @@ def revert_justification(document):
     if not del_token(document.header, '\\justification', 0):
         document.warning("Malformed LyX document: Missing \\justification.")
 
+
+def revert_australian(document):
+    "Set English language variants Australian and Newzealand to English" 
+
+    if document.language == "australian" or document.language == "newzealand": 
+        document.language = "english"
+        i = find_token(document.header, "\\language", 0) 
+        if i != -1: 
+            document.header[i] = "\\language english" 
+    j = 0 
+    while True: 
+        j = find_token(document.body, "\\lang australian", j) 
+        if j == -1:
+            j = find_token(document.body, "\\lang newzealand", 0)
+            if j == -1:
+                return
+            else:
+                document.body[j] = document.body[j].replace("\\lang newzealand", "\\lang english")
+        else:
+            document.body[j] = document.body[j].replace("\\lang australian", "\\lang english") 
+        j += 1
+
+
+def convert_biblio_style(document):
+    "Add a sensible default for \\biblio_style based on the citation engine."
+    i = find_token(document.header, "\\cite_engine", 0)
+    if i != -1:
+        engine = get_value(document.header, "\\cite_engine", i).split("_")[0]
+        style = {"basic": "plain", "natbib": "plainnat", "jurabib": "jurabib"}
+        document.header.insert(i + 1, "\\biblio_style " + style[engine])
+
+
+def revert_biblio_style(document):
+    "BibTeX insets with default option use the style defined by \\biblio_style."
+    i = find_token(document.header, "\\biblio_style" , 0)
+    if i == -1:
+        document.warning("No \\biblio_style line. Nothing to do.")
+        return
+
+    default_style = get_value(document.header, "\\biblio_style", i)
+    del document.header[i]
+
+    # We are looking for bibtex insets having the default option
+    i = 0
+    while True:
+        i = find_token(document.body, "\\begin_inset CommandInset bibtex", i)
+        if i == -1:
+            return
+        j = find_end_of_inset(document.body, i)
+        if j == -1:
+            document.warning("Malformed LyX document: Can't find end of bibtex inset at line " + str(i))
+            i += 1
+            return
+        k = find_token(document.body, "options", i, j)
+        if k != -1:
+            options = get_quoted_value(document.body, "options", k)
+            if "default" in options.split(","):
+                document.body[k] = 'options "%s"' \
+                    % options.replace("default", default_style)
+        i = j
+
+
+def handle_longtable_captions(document, forward):
+    begin_table = 0
+    while True:
+        begin_table = find_token(document.body, '<lyxtabular version=', begin_table)
+        if begin_table == -1:
+            break
+        end_table = find_end_of(document.body, begin_table, '<lyxtabular', '</lyxtabular>')
+        if end_table == -1:
+            document.warning("Malformed LyX document: Could not find end of table.")
+            begin_table += 1
+            continue
+        fline = find_token(document.body, "<features", begin_table, end_table)
+        if fline == -1:
+            document.warning("Can't find features for inset at line " + str(begin_table))
+            begin_table += 1
+            continue
+        p = document.body[fline].find("islongtable")
+        if p == -1:
+            # no longtable
+            begin_table += 1
+            continue
+        numrows = get_option_value(document.body[begin_table], "rows")
+        try:
+            numrows = int(numrows)
+        except:
+            document.warning(document.body[begin_table])
+            document.warning("Unable to determine rows!")
+            begin_table = end_table
+            continue
+        begin_row = begin_table
+        for row in range(numrows):
+            begin_row = find_token(document.body, '<row', begin_row, end_table)
+            if begin_row == -1:
+                document.warning("Can't find row " + str(row + 1))
+                break
+            end_row = find_end_of(document.body, begin_row, '<row', '</row>')
+            if end_row == -1:
+                document.warning("Can't find end of row " + str(row + 1))
+                break
+            if forward:
+                if (get_option_value(document.body[begin_row], 'caption') == 'true' and
+                    get_option_value(document.body[begin_row], 'endfirsthead') != 'true' and
+                    get_option_value(document.body[begin_row], 'endhead') != 'true' and
+                    get_option_value(document.body[begin_row], 'endfoot') != 'true' and
+                    get_option_value(document.body[begin_row], 'endlastfoot') != 'true'):
+                    document.body[begin_row] = set_option_value(document.body[begin_row], 'caption', 'true", endfirsthead="true')
+            elif get_option_value(document.body[begin_row], 'caption') == 'true':
+                if get_option_value(document.body[begin_row], 'endfirsthead') == 'true':
+                    document.body[begin_row] = set_option_value(document.body[begin_row], 'endfirsthead', 'false')
+                if get_option_value(document.body[begin_row], 'endhead') == 'true':
+                    document.body[begin_row] = set_option_value(document.body[begin_row], 'endhead', 'false')
+                if get_option_value(document.body[begin_row], 'endfoot') == 'true':
+                    document.body[begin_row] = set_option_value(document.body[begin_row], 'endfoot', 'false')
+                if get_option_value(document.body[begin_row], 'endlastfoot') == 'true':
+                    document.body[begin_row] = set_option_value(document.body[begin_row], 'endlastfoot', 'false')
+            begin_row = end_row
+        # since there could be a tabular inside this one, we 
+        # cannot jump to end.
+        begin_table += 1
+
+
+def convert_longtable_captions(document):
+    "Add a firsthead flag to caption rows"
+    handle_longtable_captions(document, True)
+
+
+def revert_longtable_captions(document):
+    "remove head/foot flag from caption rows"
+    handle_longtable_captions(document, False)
+
+
+def convert_use_packages(document):
+    "use_xxx yyy => use_package xxx yyy"
+    packages = ["amsmath", "esint", "mathdots", "mhchem", "undertilde"]
+    for p in packages:
+        i = find_token(document.header, "\\use_%s" % p, 0)
+        if i != -1:
+            value = get_value(document.header, "\\use_%s" % p, i)
+            document.header[i] = "\\use_package %s %s" % (p, value)
+
+
+def revert_use_packages(document):
+    "use_package xxx yyy => use_xxx yyy"
+    packages = ["amsmath", "esint", "mathdots", "mhchem", "undertilde"]
+    # the order is arbitrary for the use_package version, and not all packages need to be given.
+    # Ensure a complete list and correct order (important for older LyX versions and especially lyx2lyx)
+    j = 0
+    for p in packages:
+        regexp = re.compile(r'(\\use_package\s+%s)' % p)
+        i = find_re(document.header, regexp, j)
+        if i != -1:
+            value = get_value(document.header, "\\use_package %s" % p, i).split()[1]
+            del document.header[i]
+            j = i
+            document.header.insert(j, "\\use_%s %s"  % (p, value))
+        j = j + 1
+
+
+def convert_use_mathtools(document):
+    "insert use_package mathtools"
+    i = find_token(document.header, "\\use_package", 0)
+    if i == -1:
+        document.warning("Malformed LyX document: Can't find \\use_package.")
+        return;
+    j = find_token(document.preamble, "\\usepackage{mathtools}", 0)
+    if j == -1:
+        document.header.insert(i + 1, "\\use_package mathtools 0")
+    else:
+        document.header.insert(i + 1, "\\use_package mathtools 2")
+        del document.preamble[j]
+
+
+def revert_use_mathtools(document):
+    "remove use_package mathtools"
+    regexp = re.compile(r'(\\use_package\s+mathtools)')
+    i = find_re(document.header, regexp, 0)
+    value = "1" # default is auto
+    if i != -1:
+        value = get_value(document.header, "\\use_package" , i).split()[1]
+        del document.header[i]
+    if value == "2": # on
+        add_to_preamble(document, ["\\usepackage{mathtools}"])
+    elif value == "1": # auto
+        commands = ["mathclap", "mathllap", "mathrlap", \
+                    "lgathered", "rgathered", "vcentcolon", "dblcolon", \
+                    "coloneqq", "Coloneqq", "coloneq", "Coloneq", "eqqcolon", \
+                    "Eqqcolon", "eqcolon", "Eqcolon", "colonapprox", \
+                    "Colonapprox", "colonsim", "Colonsim"]
+        i = 0
+        while True:
+            i = find_token(document.body, '\\begin_inset Formula', i)
+            if i == -1:
+                return
+            j = find_end_of_inset(document.body, i)
+            if j == -1:
+                document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(i))
+                i += 1
+                continue
+            code = "\n".join(document.body[i:j])
+            for c in commands:
+                if code.find("\\%s" % c) != -1:
+                    add_to_preamble(document, ["\\usepackage{mathtools}"])
+                    return
+            i = j
+
+
+def convert_cite_engine_type(document):
+    "Determine the \\cite_engine_type from the citation engine."
+    i = find_token(document.header, "\\cite_engine", 0)
+    if i == -1:
+        return
+    engine = get_value(document.header, "\\cite_engine", i)
+    if "_" in engine:
+        engine, type = engine.split("_")
+    else:
+        type = {"basic": "numerical", "jurabib": "authoryear"}[engine]
+    document.header[i] = "\\cite_engine " + engine
+    document.header.insert(i + 1, "\\cite_engine_type " + type)
+
+
+def revert_cite_engine_type(document):
+    "Natbib had the type appended with an underscore."
+    engine_type = "numerical"
+    i = find_token(document.header, "\\cite_engine_type" , 0)
+    if i == -1:
+        document.warning("No \\cite_engine_type line. Assuming numerical.")
+    else:
+        engine_type = get_value(document.header, "\\cite_engine_type", i)
+        del document.header[i]
+
+    # We are looking for the natbib citation engine
+    i = find_token(document.header, "\\cite_engine natbib", 0)
+    if i == -1:
+        return
+    document.header[i] = "\\cite_engine natbib_" + engine_type
+
+
+def revert_cancel(document):
+    "add cancel to the preamble if necessary"
+    commands = ["cancelto", "cancel", "bcancel", "xcancel"]
+    i = 0
+    while True:
+        i = find_token(document.body, '\\begin_inset Formula', i)
+        if i == -1:
+            return
+        j = find_end_of_inset(document.body, i)
+        if j == -1:
+            document.warning("Malformed LyX document: Can't find end of Formula inset at line " + str(i))
+            i += 1
+            continue
+        code = "\n".join(document.body[i:j])
+        for c in commands:
+            if code.find("\\%s" % c) != -1:
+                add_to_preamble(document, ["\\usepackage{cancel}"])
+                return
+        i = j
+
+
+def revert_verbatim(document):
+    " Revert verbatim einvironments completely to TeX-code. "
+    i = 0
+    consecutive = False
+    subst_end = ['\end_layout', '', '\\begin_layout Plain Layout',
+    	         '\end_layout', '',
+                 '\\begin_layout Plain Layout', '', '',
+                 '\\backslash', '',
+                 'end{verbatim}',
+                 '\\end_layout', '', '\\end_inset',
+                 '', '', '\\end_layout']
+    subst_begin = ['\\begin_layout Standard', '\\noindent',
+                   '\\begin_inset ERT', 'status collapsed', '',
+                   '\\begin_layout Plain Layout', '', '', '\\backslash',
+                   'begin{verbatim}',
+                   '\\end_layout', '', '\\begin_layout Plain Layout', '']
+    while 1:
+        i = find_token(document.body, "\\begin_layout Verbatim", i)
+        if i == -1:
+            return
+        j = find_end_of_layout(document.body, i)
+        if j == -1:
+            document.warning("Malformed lyx document: Can't find end of Verbatim layout")
+            i += 1
+            continue
+        # delete all line breaks insets (there are no other insets)
+        l = i
+        while 1:
+            n = find_token(document.body, "\\begin_inset Newline newline", l)
+            if n == -1:
+                n = find_token(document.body, "\\begin_inset Newline linebreak", l)
+                if n == -1:
+                    break
+            m = find_end_of_inset(document.body, n)
+            del(document.body[m:m+1])
+            document.body[n:n+1] = ['\end_layout', '', '\\begin_layout Plain Layout']
+            l += 1
+            j += 1
+        # consecutive verbatim environments need to be connected
+        k = find_token(document.body, "\\begin_layout Verbatim", j)
+        if k == j + 2 and consecutive == False:
+            consecutive = True
+            document.body[j:j+1] = ['\end_layout', '', '\\begin_layout Plain Layout']
+            document.body[i:i+1] = subst_begin
+            continue
+        if k == j + 2 and consecutive == True:
+            document.body[j:j+1] = ['\end_layout', '', '\\begin_layout Plain Layout']
+            del(document.body[i:i+1])
+            continue
+        if k != j + 2 and consecutive == True:
+            document.body[j:j+1] = subst_end
+            # the next paragraph must not be indented
+            document.body[j+19:j+19] = ['\\noindent']
+            del(document.body[i:i+1])
+            consecutive = False
+            continue
+        else:
+            document.body[j:j+1] = subst_end
+            # the next paragraph must not be indented
+            document.body[j+19:j+19] = ['\\noindent']
+            document.body[i:i+1] = subst_begin
+
+
+def revert_tipa(document):
+    " Revert native TIPA insets to mathed or ERT. "
+    i = 0
+    while 1:
+        i = find_token(document.body, "\\begin_inset IPA", i)
+        if i == -1:
+            return
+        j = find_end_of_inset(document.body, i)
+        if j == -1:
+            document.warning("Malformed lyx document: Can't find end of IPA inset")
+            i += 1
+            continue
+        Multipar = False
+        n = find_token(document.body, "\\begin_layout", i, j)
+        if n == -1:
+            document.warning("Malformed lyx document: IPA inset has no embedded layout")
+            i += 1
+            continue
+        m = find_end_of_layout(document.body, n)
+        if m == -1:
+            document.warning("Malformed lyx document: Can't find end of embedded layout")
+            i += 1
+            continue
+        content = document.body[n+1:m]
+        p = find_token(document.body, "\\begin_layout", m, j)
+        if p != -1 or len(content) > 1:
+            Multipar = True
+            content = document.body[i+1:j]
+        if Multipar:
+            # IPA insets with multiple pars need to be wrapped by \begin{IPA}...\end{IPA}
+            document.body[i:j+1] = ['\\end_layout', '', '\\begin_layout Standard'] + put_cmd_in_ert("\\begin{IPA}") + ['\\end_layout'] + content + ['\\begin_layout Standard'] + put_cmd_in_ert("\\end{IPA}")
+            add_to_preamble(document, ["\\usepackage{tipa,tipx}"])
+        else:
+            # single-par IPA insets can be reverted to mathed
+            document.body[i:j+1] = ["\\begin_inset Formula $\\text{\\textipa{" + content[0] + "}}$", "\\end_inset"]
+        i = j
+
+
+def revert_cell_rotation(document):
+  "Revert cell rotations to TeX-code"
+
+  load_rotating = False
+  i = 0
+  try:
+    while True:
+      # first, let's find out if we need to do anything
+      i = find_token(document.body, '<cell ', i)
+      if i == -1:
+        return
+      j = document.body[i].find('rotate="')
+      if j != -1:
+        k = document.body[i].find('"', j + 8)
+        value = document.body[i][j + 8 : k]
+        if value == "0":
+          rgx = re.compile(r' rotate="[^"]+?"')
+          # remove rotate option
+          document.body[i] = rgx.sub('', document.body[i])
+        elif value == "90":
+          rgx = re.compile(r' rotate="[^"]+?"')
+          document.body[i] = rgx.sub('rotate="true"', document.body[i])
+        else:
+          rgx = re.compile(r' rotate="[^"]+?"')
+          load_rotating = True
+          # remove rotate option
+          document.body[i] = rgx.sub('', document.body[i])
+          # write ERT
+          document.body[i + 5 : i + 5] = \
+            put_cmd_in_ert("\\end{turn}")
+          document.body[i + 4 : i + 4] = \
+            put_cmd_in_ert("\\begin{turn}{" + value + "}")
+        
+      i += 1
+        
+  finally:
+    if load_rotating:
+      add_to_preamble(document, ["\\@ifundefined{turnbox}{\usepackage{rotating}}{}"])
+
+
+def convert_cell_rotation(document):
+    'Convert cell rotation statements from "true" to "90"'
+
+    i = 0
+    while True:
+      # first, let's find out if we need to do anything
+      i = find_token(document.body, '<cell ', i)
+      if i == -1:
+        return
+      j = document.body[i].find('rotate="true"')
+      if j != -1:
+        rgx = re.compile(r'rotate="[^"]+?"')
+        # convert "true" to "90"
+        document.body[i] = rgx.sub('rotate="90"', document.body[i])
+        
+      i += 1
+
+
+def revert_table_rotation(document):
+  "Revert table rotations to TeX-code"
+
+  load_rotating = False
+  i = 0
+  try:
+    while True:
+      # first, let's find out if we need to do anything
+      i = find_token(document.body, '<features ', i)
+      if i == -1:
+        return
+      j = document.body[i].find('rotate="')
+      if j != -1:
+        end_table = find_token(document.body, '</lyxtabular>', j)
+        k = document.body[i].find('"', j + 8)
+        value = document.body[i][j + 8 : k]
+        if value == "0":
+          rgx = re.compile(r' rotate="[^"]+?"')
+          # remove rotate option
+          document.body[i] = rgx.sub('', document.body[i])
+        elif value == "90":
+          rgx = re.compile(r'rotate="[^"]+?"')
+          document.body[i] = rgx.sub('rotate="true"', document.body[i])
+        else:
+          rgx = re.compile(r' rotate="[^"]+?"')
+          load_rotating = True
+          # remove rotate option
+          document.body[i] = rgx.sub('', document.body[i])
+          # write ERT
+          document.body[end_table + 3 : end_table + 3] = \
+            put_cmd_in_ert("\\end{turn}")
+          document.body[i - 2 : i - 2] = \
+            put_cmd_in_ert("\\begin{turn}{" + value + "}")
+        
+      i += 1
+        
+  finally:
+    if load_rotating:
+      add_to_preamble(document, ["\\@ifundefined{turnbox}{\usepackage{rotating}}{}"])
+
+
+def convert_table_rotation(document):
+    'Convert table rotation statements from "true" to "90"'
+
+    i = 0
+    while True:
+      # first, let's find out if we need to do anything
+      i = find_token(document.body, '<features ', i)
+      if i == -1:
+        return
+      j = document.body[i].find('rotate="true"')
+      if j != -1:
+        rgx = re.compile(r'rotate="[^"]+?"')
+        # convert "true" to "90"
+        document.body[i] = rgx.sub('rotate="90"', document.body[i])
+        
+      i += 1
+
+
+def convert_listoflistings(document):
+    'Convert ERT \lstlistoflistings to TOC lstlistoflistings inset'
+    # We can support roundtrip because the command is so simple
+    i = 0
+    while True:
+        i = find_token(document.body, "\\begin_inset ERT", i)
+        if i == -1:
+            return
+        j = find_end_of_inset(document.body, i)
+        if j == -1:
+            document.warning("Malformed lyx document: Can't find end of ERT inset")
+            i += 1
+            continue
+        ert = get_ert(document.body, i)
+        if ert == "\\lstlistoflistings{}":
+            document.body[i:j] = ["\\begin_inset CommandInset toc", "LatexCommand lstlistoflistings", ""]
+            i = i + 4
+        else:
+            i = j + 1
+
+
+def revert_listoflistings(document):
+    'Convert TOC lstlistoflistings inset to ERT lstlistoflistings'
+    i = 0
+    while True:
+        i = find_token(document.body, "\\begin_inset CommandInset toc", i)
+        if i == -1:
+            return
+        if document.body[i+1] == "LatexCommand lstlistoflistings":
+            j = find_end_of_inset(document.body, i)
+            if j == -1:
+                document.warning("Malformed lyx document: Can't find end of TOC inset")
+                i += 1
+                continue
+            subst = put_cmd_in_ert("\\lstlistoflistings{}")
+            document.body[i:j+1] = subst
+            add_to_preamble(document, ["\\usepackage{listings}"])
+        i = i + 1
+
+
+def convert_use_amssymb(document):
+    "insert use_package amssymb"
+    regexp = re.compile(r'(\\use_package\s+amsmath)')
+    i = find_re(document.header, regexp, 0)
+    if i == -1:
+        document.warning("Malformed LyX document: Can't find \\use_package amsmath.")
+        return;
+    value = get_value(document.header, "\\use_package" , i).split()[1]
+    useamsmath = 0
+    try:
+        useamsmath = int(value)
+    except:
+        document.warning("Invalid \\use_package amsmath: " + value + ". Assuming auto.")
+        useamsmath = 1
+    j = find_token(document.preamble, "\\usepackage{amssymb}", 0)
+    if j == -1:
+        document.header.insert(i + 1, "\\use_package amssymb %d" % useamsmath)
+    else:
+        document.header.insert(i + 1, "\\use_package amssymb 2")
+        del document.preamble[j]
+
+
+def revert_use_amssymb(document):
+    "remove use_package amssymb"
+    regexp1 = re.compile(r'(\\use_package\s+amsmath)')
+    regexp2 = re.compile(r'(\\use_package\s+amssymb)')
+    i = find_re(document.header, regexp1, 0)
+    j = find_re(document.header, regexp2, 0)
+    value1 = "1" # default is auto
+    value2 = "1" # default is auto
+    if i != -1:
+        value1 = get_value(document.header, "\\use_package" , i).split()[1]
+    if j != -1:
+        value2 = get_value(document.header, "\\use_package" , j).split()[1]
+        del document.header[j]
+    if value1 != value2 and value2 == "2": # on
+        add_to_preamble(document, ["\\usepackage{amssymb}"])
+
+
+def revert_ancientgreek(document):
+    "Set the document language for ancientgreek to greek" 
+
+    if document.language == "ancientgreek": 
+        document.language = "greek"
+        i = find_token(document.header, "\\language", 0) 
+        if i != -1: 
+            document.header[i] = "\\language greek" 
+    j = 0 
+    while True: 
+        j = find_token(document.body, "\\lang ancientgreek", j) 
+        if j == -1:
+            return
+        else:
+            document.body[j] = document.body[j].replace("\\lang ancientgreek", "\\lang greek") 
+        j += 1
+
+
+def revert_languages(document):
+    "Set the document language for new supported languages to English" 
+
+    languages = [
+                 "coptic", "divehi", "hindi", "kurmanji", "lao", "marathi", "occitan", "sanskrit",
+                 "syriac", "tamil", "telugu", "urdu"
+                ]
+    for n in range(len(languages)):
+        if document.language == languages[n]:
+            document.language = "english"
+            i = find_token(document.header, "\\language", 0) 
+            if i != -1: 
+                document.header[i] = "\\language english" 
+        j = 0
+        while j < len(document.body): 
+            j = find_token(document.body, "\\lang " + languages[n], j)
+            if j != -1:
+                document.body[j] = document.body[j].replace("\\lang " + languages[n], "\\lang english")
+                j += 1
+            else:
+                j = len(document.body)
+
+
+def convert_armenian(document):
+    "Use polyglossia and thus non-TeX fonts for Armenian" 
+
+    if document.language == "armenian": 
+        i = find_token(document.header, "\\use_non_tex_fonts", 0) 
+        if i != -1: 
+            document.header[i] = "\\use_non_tex_fonts true" 
+
+
+def revert_armenian(document):
+    "Use ArmTeX and thus TeX fonts for Armenian" 
+
+    if document.language == "armenian": 
+        i = find_token(document.header, "\\use_non_tex_fonts", 0) 
+        if i != -1: 
+            document.header[i] = "\\use_non_tex_fonts false" 
+
+
+def revert_libertine(document):
+    " Revert native libertine font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        i = find_token(document.header, "\\font_roman libertine", 0)
+        if i != -1:
+            osf = False
+            j = find_token(document.header, "\\font_osf true", 0)
+            if j != -1:
+                osf = True
+            preamble = "\\usepackage"
+            if osf:
+                document.header[j] = "\\font_osf false"
+            else:
+                preamble += "[lining]"
+            preamble += "{libertine-type1}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_roman default"
+
+
+def revert_txtt(document):
+    " Revert native txtt font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        i = find_token(document.header, "\\font_typewriter txtt", 0)
+        if i != -1:
+            preamble = "\\renewcommand{\\ttdefault}{txtt}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_typewriter default"
+
+
+def revert_mathdesign(document):
+    " Revert native mathdesign font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        mathdesign_dict = {
+        "mdbch":  "charter",
+        "mdput":  "utopia",
+        "mdugm":  "garamond"
+        }
+        i = find_token(document.header, "\\font_roman", 0)
+        if i == -1:
+            return
+        val = get_value(document.header, "\\font_roman", i)
+        if val in mathdesign_dict.keys():
+            preamble = "\\usepackage[%s" % mathdesign_dict[val]
+            expert = False
+            j = find_token(document.header, "\\font_osf true", 0)
+            if j != -1:
+                expert = True
+                document.header[j] = "\\font_osf false"
+            l = find_token(document.header, "\\font_sc true", 0)
+            if l != -1:
+                expert = True
+                document.header[l] = "\\font_sc false"
+            if expert:
+                preamble += ",expert"
+            preamble += "]{mathdesign}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_roman default"
+
+
+def revert_texgyre(document):
+    " Revert native TeXGyre font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        texgyre_fonts = ["tgadventor", "tgbonum", "tgchorus", "tgcursor", \
+                         "tgheros", "tgpagella", "tgschola", "tgtermes"]
+        i = find_token(document.header, "\\font_roman", 0)
+        if i != -1:
+            val = get_value(document.header, "\\font_roman", i)
+            if val in texgyre_fonts:
+                preamble = "\\usepackage{%s}" % val
+                add_to_preamble(document, [preamble])
+                document.header[i] = "\\font_roman default"
+        i = find_token(document.header, "\\font_sans", 0)
+        if i != -1:
+            val = get_value(document.header, "\\font_sans", i)
+            if val in texgyre_fonts:
+                preamble = "\\usepackage{%s}" % val
+                add_to_preamble(document, [preamble])
+                document.header[i] = "\\font_sans default"
+        i = find_token(document.header, "\\font_typewriter", 0)
+        if i != -1:
+            val = get_value(document.header, "\\font_typewriter", i)
+            if val in texgyre_fonts:
+                preamble = "\\usepackage{%s}" % val
+                add_to_preamble(document, [preamble])
+                document.header[i] = "\\font_typewriter default"
+
+
+def revert_ipadeco(document):
+    " Revert IPA decorations to ERT "
+    i = 0
+    while True:
+      i = find_token(document.body, "\\begin_inset IPADeco", i)
+      if i == -1:
+          return
+      end = find_end_of_inset(document.body, i)
+      if end == -1:
+          document.warning("Can't find end of inset at line " + str(i))
+          i += 1
+          continue
+      line = document.body[i]
+      rx = re.compile(r'\\begin_inset IPADeco (.*)$')
+      m = rx.match(line)
+      decotype = m.group(1)
+      if decotype != "toptiebar" and decotype != "bottomtiebar":
+          document.warning("Invalid IPADeco type: " + decotype)
+          i = end
+          continue
+      blay = find_token(document.body, "\\begin_layout Plain Layout", i, end)
+      if blay == -1:
+          document.warning("Can't find layout for inset at line " + str(i))
+          i = end
+          continue
+      bend = find_end_of_layout(document.body, blay)
+      if bend == -1:
+          document.warning("Malformed LyX document: Could not find end of IPADeco inset's layout.")
+          i = end
+          continue
+      substi = ["\\begin_inset ERT", "status collapsed", "",
+                "\\begin_layout Plain Layout", "", "", "\\backslash", 
+                decotype + "{", "\\end_layout", "", "\\end_inset"]
+      substj = ["\\size default", "", "\\begin_inset ERT", "status collapsed", "",
+                "\\begin_layout Plain Layout", "", "}", "\\end_layout", "", "\\end_inset"]
+      # do the later one first so as not to mess up the numbering
+      document.body[bend:end + 1] = substj
+      document.body[i:blay + 1] = substi
+      i = end + len(substi) + len(substj) - (end - bend) - (blay - i) - 2
+      add_to_preamble(document, "\\usepackage{tipa}")
+
+
+def revert_ipachar(document):
+    ' Revert \\IPAChar to ERT '
+    i = 0
+    found = False
+    while i < len(document.body):
+        m = re.match(r'(.*)\\IPAChar \\(\w+\{\w+\})(.*)', document.body[i])
+        if m:
+            found = True
+            before = m.group(1)
+            ipachar = m.group(2)
+            after = m.group(3)
+            subst = [before,
+                     '\\begin_inset ERT',
+                     'status collapsed', '',
+                     '\\begin_layout Standard',
+                     '', '', '\\backslash',
+                     ipachar,
+                     '\\end_layout', '',
+                     '\\end_inset', '',
+                     after]
+            document.body[i: i+1] = subst
+            i = i + len(subst)
+        else:
+            i = i + 1
+    if found:
+        add_to_preamble(document, "\\usepackage{tone}")
+
+
+def revert_minionpro(document):
+    " Revert native MinionPro font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        i = find_token(document.header, "\\font_roman minionpro", 0)
+        if i != -1:
+            osf = False
+            j = find_token(document.header, "\\font_osf true", 0)
+            if j != -1:
+                osf = True
+            preamble = "\\usepackage"
+            if osf:
+                document.header[j] = "\\font_osf false"
+            else:
+                preamble += "[lf]"
+            preamble += "{MinionPro}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_roman default"
+
+
+def revert_mathfonts(document):
+    " Revert native math font definitions to LaTeX " 
+
+    i = find_token(document.header, "\\font_math", 0)
+    if i == -1:
+       return
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        val = get_value(document.header, "\\font_math", i)
+        if val == "eulervm":
+            add_to_preamble(document, "\\usepackage{eulervm}")
+        elif val == "default":
+            mathfont_dict = {
+            "lmodern":  "\\renewcommand{\\rmdefault}{lmr}",
+            "minionpro":  "\\usepackage[onlytext,lf]{MinionPro}",
+            "minionpro-osf":  "\\usepackage[onlytext]{MinionPro}",
+            "palatino":  "\\renewcommand{\\rmdefault}{ppl}",
+            "palatino-osf":  "\\renewcommand{\\rmdefault}{pplj}",
+            "times":  "\\renewcommand{\\rmdefault}{ptm}",
+            "utopia":  "\\renewcommand{\\rmdefault}{futs}",
+            "utopia-osf":  "\\renewcommand{\\rmdefault}{futj}",
+            }
+            j = find_token(document.header, "\\font_roman", 0)
+            if j != -1:
+                rm = get_value(document.header, "\\font_roman", j)
+                k = find_token(document.header, "\\font_osf true", 0)
+                if k != -1:
+                    rm += "-osf"
+                if rm in mathfont_dict.keys():
+                    add_to_preamble(document, mathfont_dict[rm])
+                    document.header[j] = "\\font_roman default"
+                    if k != -1:
+                        document.header[k] = "\\font_osf false"
+    del document.header[i]
+
+
+def revert_mdnomath(document):
+    " Revert mathdesign and fourier without math " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        mathdesign_dict = {
+        "md-charter": "mdbch",
+        "md-utopia": "mdput",
+        "md-garamond": "mdugm"
+        }
+        i = find_token(document.header, "\\font_roman", 0)
+        if i == -1:
+            return
+        val = get_value(document.header, "\\font_roman", i)
+        if val in mathdesign_dict.keys():
+            j = find_token(document.header, "\\font_math", 0)
+            if j == -1:
+                document.header[i] = "\\font_roman %s" % mathdesign_dict[val]
+            mval = get_value(document.header, "\\font_math", j)
+            if mval == "default":
+                document.header[i] = "\\font_roman default"
+                add_to_preamble(document, "\\renewcommand{\\rmdefault}{%s}" % mathdesign_dict[val])
+            else:
+                document.header[i] = "\\font_roman %s" % mathdesign_dict[val]
+
+
+def convert_mdnomath(document):
+    " Change mathdesign font name " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        mathdesign_dict = {
+        "mdbch":  "md-charter",
+        "mdput":  "md-utopia",
+        "mdugm":  "md-garamond"
+        }
+        i = find_token(document.header, "\\font_roman", 0)
+        if i == -1:
+            return
+        val = get_value(document.header, "\\font_roman", i)
+        if val in mathdesign_dict.keys():
+             document.header[i] = "\\font_roman %s" % mathdesign_dict[val]
+
+
+def revert_newtxmath(document):
+    " Revert native newtxmath definitions to LaTeX " 
+
+    i = find_token(document.header, "\\font_math", 0)
+    if i == -1:
+       return
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        val = get_value(document.header, "\\font_math", i)
+        mathfont_dict = {
+        "libertine-ntxm":  "\\usepackage[libertine]{newtxmath}",
+        "minion-ntxm":  "\\usepackage[minion]{newtxmath}",
+        "newtxmath":  "\\usepackage{newtxmath}",
+        }
+        if val in mathfont_dict.keys():
+            add_to_preamble(document, mathfont_dict[val])
+            document.header[i] = "\\font_math auto"
+
+
+def revert_biolinum(document):
+    " Revert native biolinum font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        i = find_token(document.header, "\\font_sans biolinum", 0)
+        if i != -1:
+            osf = False
+            j = find_token(document.header, "\\font_osf true", 0)
+            if j != -1:
+                osf = True
+            preamble = "\\usepackage"
+            if not osf:
+                preamble += "[lf]"
+            preamble += "{biolinum-type1}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_sans default"
+
+
+def revert_uop(document):
+    " Revert native URW Classico (Optima) font definition to LaTeX "
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1:
+        i = find_token(document.header, "\\font_sans uop", 0)
+        if i != -1:
+                preamble = "\\renewcommand{\\sfdefault}{uop}"
+                add_to_preamble(document, [preamble])
+                document.header[i] = "\\font_sans default"
+
+
+def convert_latexargs(document):
+    " Convert InsetArgument to new syntax "
+
+    if find_token(document.body, "\\begin_inset Argument", 0) == -1:
+        # nothing to do.
+        return
+
+    # A list of layouts (document classes) with only optional or no arguments.
+    # These can be safely converted to the new syntax
+    # (I took the liberty to add some of my personal layouts/modules here; JSP)
+    safe_layouts = ["aa", "aapaper", "aastex", "achemso", "acmsiggraph", "AEA",
+                    "agu-dtd", "agums", "agutex", "amsart", "amsbook", "apa",
+                    "arab-article", "armenian-article", "article-beamer", "article",
+                    "beamer", "book", "broadway", "chess", "cl2emult", "ctex-article",
+                    "ctex-book", "ctex-report", "dinbrief", "docbook-book", "docbook-chapter",
+                    "docbook", "docbook-section", "doublecol-new", "dtk", "ectaart", "egs",
+                    "elsarticle", "elsart", "entcs", "europecv", "extarticle", "extbook",
+                    "extletter", "extreport", "foils", "frletter", "g-brief2", "g-brief",
+                    "heb-article", "heb-letter", "hollywood", "IEEEtran", "ijmpc", "ijmpd",
+                    "iopart", "isprs", "jarticle", "jasatex", "jbook", "jgrga", "jreport",
+                    "jsarticle", "jsbeamer", "jsbook", "jss", "kluwer", "latex8", "letter", "lettre",
+                    "literate-article", "literate-book", "literate-report", "llncs", "ltugboat",
+                    "memoir", "moderncv", "mwart", "mwbk", "mwrep", "paper", "powerdot",
+                    "recipebook", "report", "revtex4", "revtex", "scrartcl", "scrarticle-beamer",
+                    "scrbook", "scrlettr", "scrlttr2", "scrreprt", "seminar", "siamltex",
+                    "sigplanconf", "simplecv", "singlecol", "singlecol-new", "slides", "spie",
+                    "svglobal3", "svglobal", "svjog", "svmono", "svmult", "svprobth", "tarticle",
+                    "tbook", "treport", "tufte-book", "tufte-handout"]
+    # A list of "safe" modules, same as above
+    safe_modules = ["biblatex", "beameraddons", "beamersession", "braille", "customHeadersFooters",
+                    "endnotes", "enumitem", "eqs-within-sections", "figs-within-sections", "fix-cm",
+                    "fixltx2e", "foottoend", "hanging", "jscharstyles", "knitr", "lilypond",
+                    "linguistics", "linguisticx", "logicalmkup", "minimalistic", "nomindex", "noweb",
+                    "pdfcomment", "sweave", "tabs-within-sections", "theorems-ams-bytype",
+                    "theorems-ams-extended-bytype", "theorems-ams-extended", "theorems-ams", "theorems-bytype",
+                    "theorems-chap-bytype", "theorems-chap", "theorems-named", "theorems-sec-bytype",
+                    "theorems-sec", "theorems-starred", "theorems-std", "todonotes"]
+    # Modules we need to take care of
+    caveat_modules = ["initials"]
+    # information about the relevant styles in caveat_modules (number of opt and req args)
+    # use this if we get more caveat_modules. For now, use hard coding (see below).
+    # initials = [{'Layout' : 'Initial', 'opt' : 1, 'req' : 1}]
+
+    # Is this a known safe layout?
+    safe_layout = document.textclass in safe_layouts
+    if not safe_layout:
+        document.warning("Lyx2lyx knows nothing about textclass '%s'. "
+                         "Please check if short title insets have been converted correctly."
+                         % document.textclass)
+    # Do we use unsafe or unknown modules
+    mods = document.get_module_list()
+    unknown_modules = False
+    used_caveat_modules = list()
+    for mod in mods:
+        if mod in safe_modules:
+            continue
+        if mod in caveat_modules:
+            used_caveat_modules.append(mod)
+            continue
+        unknown_modules = True
+        document.warning("Lyx2lyx knows nothing about module '%s'. "
+                         "Please check if short title insets have been converted correctly."
+                         % mod)
+
+    i = 0
+    while True:
+        i = find_token(document.body, "\\begin_inset Argument", i)
+        if i == -1:
+            return
+
+        if not safe_layout or unknown_modules:
+            # We cannot do more here since we have no access to this layout.
+            # InsetArgument itself will do the real work
+            # (see InsetArgument::updateBuffer())
+            document.body[i] = "\\begin_inset Argument 999"
+            i = i + 1
+            continue
+        
+        # Find containing paragraph layout
+        parent = get_containing_layout(document.body, i)
+        if parent == False:
+            document.warning("Malformed lyx document: Can't find parent paragraph layout")
+            i = i + 1
+            continue
+        parbeg = parent[1]
+        parend = parent[2]
+        allowed_opts = -1
+        first_req = -1
+        if len(used_caveat_modules) > 0:
+            # We know for now that this must be the initials module with the Initial layout
+            # If we get more such modules, we need some automating.
+            if parent[0] == "Initial":
+                # Layout has 1 opt and 1 req arg.
+                # Count the actual arguments
+                actualargs = 0
+                for p in range(parbeg, parend):
+                    if document.body[p] == "\\begin_inset Argument":
+                        actualargs += 1
+                if actualargs == 1:
+                    allowed_opts = 0
+                    first_req = 2
+        # Collect all arguments in this paragraph
+        argnr = 0
+        for p in range(parbeg, parend):
+            if document.body[p] == "\\begin_inset Argument":
+                argnr += 1
+                if allowed_opts != -1:
+                    # We have less arguments than opt + required.
+                    # required must take precedence.
+                    if argnr > allowed_opts and argnr < first_req:
+                        argnr = first_req
+                document.body[p] = "\\begin_inset Argument %d" % argnr
+        i = i + 1
+
+
+def revert_latexargs(document):
+    " Revert InsetArgument to old syntax "
+
+    i = 0
+    rx = re.compile(r'^\\begin_inset Argument (\d+)$')
+    args = dict()
+    while True:
+        # Search for Argument insets
+        i = find_token(document.body, "\\begin_inset Argument", i)
+        if i == -1:
+            return
+        m = rx.match(document.body[i])
+        if not m:
+            # No ID: inset already reverted
+            i = i + 1
+            continue
+        # Find containing paragraph layout
+        parent = get_containing_layout(document.body, i)
+        if parent == False:
+            document.warning("Malformed lyx document: Can't find parent paragraph layout")
+            i = i + 1
+            continue
+        parbeg = parent[1]
+        parend = parent[2]
+        # Collect all arguments in this paragraph 
+        realparend = parend
+        for p in range(parbeg, parend):
+            m = rx.match(document.body[p])
+            if m:
+                val = int(m.group(1))
+                j = find_end_of_inset(document.body, p)
+                # Revert to old syntax
+                document.body[p] = "\\begin_inset Argument"
+                if j == -1:
+                    document.warning("Malformed lyx document: Can't find end of Argument inset")
+                    continue
+                if val > 0:
+                    args[val] = document.body[p : j + 1]
+                # Adjust range end
+                realparend = realparend - len(document.body[p : j + 1])
+                # Remove arg inset at this position
+                del document.body[p : j + 1]
+            if p >= realparend:
+                break
+        # Now sort the arg insets
+        subst = [""]
+        for f in sorted(args):
+            subst += args[f]
+            del args[f]
+        # Insert the sorted arg insets at paragraph begin
+        document.body[parbeg + 1:parbeg + 1] = subst
+
+        i = parbeg + 1 + len(subst)
+
+
+def revert_Argument_to_TeX_brace(document, line, n, nmax, environment):
+    '''
+    Reverts an InsetArgument to TeX-code
+    usage:
+    revert_Argument_to_TeX_brace(document, LineOfBeginLayout, StartArgument, EndArgument, isEnvironment)
+    LineOfBeginLayout is the line  of the \begin_layout statement
+    StartArgument is the number of the first argument that needs to be converted
+    EndArgument is the number of the last argument that needs to be converted or the last defined one
+    isEnvironment must be true, if the layout id for a LaTeX environment
+    '''
+    lineArg = 0
+    while lineArg != -1 and n < nmax + 1:
+      lineArg = find_token(document.body, "\\begin_inset Argument " + str(n), line)
+      if lineArg != -1:
+        beginPlain = find_token(document.body, "\\begin_layout Plain Layout", lineArg)
+        # we have to assure that no other inset is in the Argument
+        beginInset = find_token(document.body, "\\begin_inset", beginPlain)
+        endInset = find_token(document.body, "\\end_inset", beginPlain)
+        k = beginPlain + 1
+        l = k
+        while beginInset < endInset and beginInset != -1:
+          beginInset = find_token(document.body, "\\begin_inset", k)
+          endInset = find_token(document.body, "\\end_inset", l)
+          k = beginInset + 1
+          l = endInset + 1
+        if environment == False:
+          document.body[endInset - 2 : endInset + 1] = put_cmd_in_ert("}{")
+          del(document.body[lineArg : beginPlain + 1])
+        else:
+          document.body[endInset - 2 : endInset + 1] = put_cmd_in_ert("}")
+          document.body[lineArg : beginPlain + 1] = put_cmd_in_ert("{")
+        n = n + 1
+
+
+def revert_IEEEtran(document):
+  '''
+  Reverts InsetArgument of
+  Page headings
+  Biography
+  Biography without photo
+  to TeX-code
+  '''
+  if document.textclass == "IEEEtran":
+    i = 0
+    j = 0
+    k = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Page headings", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 1, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout Biography without photo", j)
+      if j != -1:
+        revert_Argument_to_TeX_brace(document, j, 1, 1, True)
+        j = j + 1
+      if k != -1:
+        k = find_token(document.body, "\\begin_layout Biography", k)
+        kA = find_token(document.body, "\\begin_layout Biography without photo", k)
+        if k == kA and k != -1:
+          k = k + 1
+          continue
+      if k != -1:
+        # start with the second argument, therefore 2
+        revert_Argument_to_TeX_brace(document, k, 2, 2, True)
+        k = k + 1
+      if i == -1 and j == -1 and k == -1:
+        return
+
+
+def convert_TeX_brace_to_Argument(document, line, n, nmax, inset, environment):
+    '''
+    Converts TeX code for mandatory arguments to an InsetArgument
+    The conversion of TeX code for optional arguments must be done with another routine
+    !!! Be careful if the braces are different in your case as expected here:
+    - "}{" separates mandatory arguments of commands
+    - "}" + "{" separates mandatory arguments of commands
+    - "}" + " " + "{" separates mandatory arguments of commands
+    - { and } surround a mandatory argument of an environment
+    usage:
+    convert_TeX_brace_to_Argument(document, LineOfBeginLayout/Inset, StartArgument, EndArgument, isInset, isEnvironment)
+    LineOfBeginLayout/Inset is the line  of the \begin_layout or \begin_inset statement
+    StartArgument is the number of the first ERT that needs to be converted
+    EndArgument is the number of the last ERT that needs to be converted
+    isInset must be true, if braces inside an InsetLayout needs to be converted
+    isEnvironment must be true, if the layout is for a LaTeX environment
     
+    Todo: this routine can currently handle only one mandatory argument of environments
+    '''
+    lineERT = line
+    endn = line
+    loop = 1
+    while lineERT != -1 and n < nmax + 1:
+      lineERT = find_token(document.body, "\\begin_inset ERT", lineERT)
+      if environment == False and lineERT != -1:
+        bracePair = find_token(document.body, "}{", lineERT)
+        # assure that the "}{" is in this ERT
+        if bracePair == lineERT + 5:
+          end = find_token(document.body, "\\end_inset", bracePair)
+          document.body[lineERT : end + 1] = ["\\end_layout", "", "\\end_inset"]
+          if loop == 1:
+            # in the case that n > 1 we have optional arguments before
+            # therefore detect them if any
+            if n > 1:
+              # first check if there is an argument
+              lineArg = find_token(document.body, "\\begin_inset Argument", line)
+              if lineArg < lineERT and lineArg != -1:
+                # we have an argument, so now search backwards for its end
+                # we must now assure that we don't find other insets like e.g. a newline
+                endInsetArg = lineERT
+                endLayoutArg = endInsetArg
+                while endInsetArg != endLayoutArg + 2 and endInsetArg != -1:
+                  endInsetArg = endInsetArg - 1
+                  endLayoutArg = endInsetArg
+                  endInsetArg = find_token_backwards(document.body, "\\end_inset", endInsetArg)
+                  endLayoutArg = find_token_backwards(document.body, "\\end_layout", endLayoutArg)
+                line = endInsetArg + 1
+            if inset == False:
+              document.body[line + 1 : line + 1] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+            else:
+              document.body[line + 4 : line + 4] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+          else:
+            document.body[endn : endn] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+          n = n + 1
+          endn = end
+          loop = loop + 1
+        # now check the case that we have "}" + "{" in two ERTs
+        else:
+          endBrace = find_token(document.body, "}", lineERT)
+          if endBrace == lineERT + 5:
+            beginBrace = find_token(document.body, "{", endBrace)
+            # assure that the ERTs are consecutive (11 or 12 depending if there is a space between the ERTs or not)
+            if beginBrace == endBrace + 11 or beginBrace == endBrace + 12:
+              end = find_token(document.body, "\\end_inset", beginBrace)
+              document.body[lineERT : end + 1] = ["\\end_layout", "", "\\end_inset"]
+              if loop == 1:
+                # in the case that n > 1 we have optional arguments before
+                # therefore detect them if any
+                if n > 1:
+                  # first check if there is an argument
+                  lineArg = find_token(document.body, "\\begin_inset Argument", line)
+                  if lineArg < lineERT and lineArg != -1:
+                    # we have an argument, so now search backwards for its end
+                    # we must now assure that we don't find other insets like e.g. a newline
+                    endInsetArg = lineERT
+                    endLayoutArg = endInsetArg
+                    while endInsetArg != endLayoutArg + 2 and endInsetArg != -1:
+                      endInsetArg = endInsetArg - 1
+                      endLayoutArg = endInsetArg
+                      endInsetArg = find_token_backwards(document.body, "\\end_inset", endInsetArg)
+                      endLayoutArg = find_token_backwards(document.body, "\\end_layout", endLayoutArg)
+                    line = endInsetArg + 1
+                if inset == False:
+                  document.body[line + 1 : line + 1] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+                else:
+                  document.body[line + 4 : line + 4] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+              else:
+                document.body[endn : endn] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+              n = n + 1
+              loop = loop + 1
+              # set the line where the next argument will be inserted
+              if beginBrace == endBrace + 11:
+                endn = end - 11
+              else:
+                endn = end - 12
+          else:
+            lineERT = lineERT + 1
+      if environment == True and lineERT != -1:
+        opening = find_token(document.body, "{", lineERT)
+        if opening == lineERT + 5: # assure that the "{" is in this ERT
+          end = find_token(document.body, "\\end_inset", opening)
+          document.body[lineERT : end + 1] = ["\\begin_inset Argument " + str(n), "status open", "", "\\begin_layout Plain Layout"]
+          n = n + 1
+          lineERT2 = find_token(document.body, "\\begin_inset ERT", lineERT)
+          closing = find_token(document.body, "}", lineERT2)
+          if closing == lineERT2 + 5: # assure that the "}" is in this ERT
+            end2 = find_token(document.body, "\\end_inset", closing)
+            document.body[lineERT2 : end2 + 1] = ["\\end_layout", "", "\\end_inset"]
+        else:
+          lineERT = lineERT + 1
+
+
+def convert_IEEEtran(document):
+  '''
+  Converts ERT of
+  Page headings
+  Biography
+  Biography without photo
+  to InsetArgument
+  '''
+  if document.textclass == "IEEEtran":
+    i = 0
+    j = 0
+    k = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Page headings", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 1, False, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout Biography without photo", j)
+      if j != -1:
+        convert_TeX_brace_to_Argument(document, j, 1, 1, False, True)
+        j = j + 1
+      if k != -1:
+        # assure that we don't handle Biography Biography without photo
+        k = find_token(document.body, "\\begin_layout Biography", k)
+        kA = find_token(document.body, "\\begin_layout Biography without photo", k - 1)
+      if k == kA and k != -1:
+        k = k + 1
+        continue
+      if k != -1:
+        # the argument we want to convert is the second one
+        convert_TeX_brace_to_Argument(document, k, 2, 2, False, True)
+        k = k + 1
+      if i == -1 and j == -1 and k == -1:
+        return
+
+
+def revert_AASTeX(document):
+  " Reverts InsetArgument of Altaffilation to TeX-code "
+  if document.textclass == "aastex":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Altaffilation", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 1, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def convert_AASTeX(document):
+  " Converts ERT of Altaffilation to InsetArgument "
+  if document.textclass == "aastex":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Altaffilation", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 1, False, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def revert_AGUTeX(document):
+  " Reverts InsetArgument of Author affiliation to TeX-code "
+  if document.textclass == "agutex":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Author affiliation", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 1, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def convert_AGUTeX(document):
+  " Converts ERT of Author affiliation to InsetArgument "
+  if document.textclass == "agutex":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Author affiliation", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 1, False, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def revert_IJMP(document):
+  " Reverts InsetArgument of MarkBoth to TeX-code "
+  if document.textclass == "ijmpc" or document.textclass == "ijmpd":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout MarkBoth", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 1, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def convert_IJMP(document):
+  " Converts ERT of MarkBoth to InsetArgument "
+  if document.textclass == "ijmpc" or document.textclass == "ijmpd":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout MarkBoth", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 1, False, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def revert_SIGPLAN(document):
+  " Reverts InsetArgument of MarkBoth to TeX-code "
+  if document.textclass == "sigplanconf":
+    i = 0
+    j = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Conference", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 1, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout Author", j)
+      if j != -1:
+        revert_Argument_to_TeX_brace(document, j, 1, 2, False)
+        j = j + 1
+      if i == -1 and j == -1:
+        return
+
+
+def convert_SIGPLAN(document):
+  " Converts ERT of MarkBoth to InsetArgument "
+  if document.textclass == "sigplanconf":
+    i = 0
+    j = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Conference", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 1, False, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout Author", j)
+      if j != -1:
+        convert_TeX_brace_to_Argument(document, j, 1, 2, False, False)
+        j = j + 1
+      if i == -1 and j == -1:
+        return
+
+
+def revert_SIGGRAPH(document):
+  " Reverts InsetArgument of Flex CRcat to TeX-code "
+  if document.textclass == "acmsiggraph":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_inset Flex CRcat", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 1, 3, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def convert_SIGGRAPH(document):
+  " Converts ERT of Flex CRcat to InsetArgument "
+  if document.textclass == "acmsiggraph":
+    i = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_inset Flex CRcat", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 1, 3, True, False)
+        i = i + 1
+      if i == -1:
+        return
+
+
+def revert_EuropeCV(document):
+  " Reverts InsetArgument of Flex CRcat to TeX-code "
+  if document.textclass == "europecv":
+    i = 0
+    j = 0
+    k = 0
+    m = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Item", i)
+      if i != -1:
+        revert_Argument_to_TeX_brace(document, i, 2, 2, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout BulletedItem", j)
+      if j != -1:
+        revert_Argument_to_TeX_brace(document, j, 2, 2, False)
+        j = j + 1
+      if k != -1:
+        k = find_token(document.body, "\\begin_layout Language", k)
+      if k != -1:
+        revert_Argument_to_TeX_brace(document, k, 2, 6, False)
+        k = k + 1
+      if m != -1:
+        m = find_token(document.body, "\\begin_layout LastLanguage", m)
+      if m != -1:
+        revert_Argument_to_TeX_brace(document, m, 2, 6, False)
+        m = m + 1
+      if i == -1 and j == -1 and k == -1 and m == -1:
+        return
+
+
+def convert_EuropeCV(document):
+  " Converts ERT of Flex CRcat to InsetArgument "
+  if document.textclass == "europecv":
+    i = 0
+    j = 0
+    k = 0
+    m = 0
+    while True:
+      if i != -1:
+        i = find_token(document.body, "\\begin_layout Item", i)
+      if i != -1:
+        convert_TeX_brace_to_Argument(document, i, 2, 2, False, False)
+        i = i + 1
+      if j != -1:
+        j = find_token(document.body, "\\begin_layout BulletedItem", j)
+      if j != -1:
+        convert_TeX_brace_to_Argument(document, j, 2, 2, False, False)
+        j = j + 1
+      if k != -1:
+        k = find_token(document.body, "\\begin_layout Language", k)
+      if k != -1:
+        convert_TeX_brace_to_Argument(document, k, 2, 6, False, False)
+        k = k + 1
+      if m != -1:
+        m = find_token(document.body, "\\begin_layout LastLanguage", m)
+      if m != -1:
+        convert_TeX_brace_to_Argument(document, m, 2, 6, False, False)
+        m = m + 1
+      if i == -1 and j == -1 and k == -1 and m == -1:
+        return
+
+
+def revert_literate(document):
+    " Revert Literate document to old format "
+    if del_token(document.header, "noweb", 0):
+      document.textclass = "literate-" + document.textclass
+      i = 0
+      while True:
+        i = find_token(document.body, "\\begin_layout Chunk", i)
+        if i == -1:
+          break
+        document.body[i] = "\\begin_layout Scrap"
+        i = i + 1
+
+
+def convert_literate(document):
+    " Convert Literate document to new format"
+    i = find_token(document.header, "\\textclass", 0)    
+    if (i != -1) and "literate-" in document.header[i]:
+      document.textclass = document.header[i].replace("\\textclass literate-", "")
+      j = find_token(document.header, "\\begin_modules", 0)
+      if (j != -1):
+        document.header.insert(j + 1, "noweb")
+      else:
+        document.header.insert(i + 1, "\\end_modules")
+        document.header.insert(i + 1, "noweb")
+        document.header.insert(i + 1, "\\begin_modules")
+      i = 0
+      while True:
+        i = find_token(document.body, "\\begin_layout Scrap", i)
+        if i == -1:
+          break
+        document.body[i] = "\\begin_layout Chunk"
+        i = i + 1
+
+
+def revert_itemargs(document):
+    " Reverts \\item arguments to TeX-code "
+    i = 0
+    while True:
+        i = find_token(document.body, "\\begin_inset Argument item:", i)
+        if i == -1:
+            return
+        j = find_end_of_inset(document.body, i)
+        # Find containing paragraph layout
+        parent = get_containing_layout(document.body, i)
+        if parent == False:
+            document.warning("Malformed lyx document: Can't find parent paragraph layout")
+            i = i + 1
+            continue
+        parbeg = parent[1]
+        beginPlain = find_token(document.body, "\\begin_layout Plain Layout", i)
+        endPlain = find_end_of_layout(document.body, beginPlain)
+        content = document.body[beginPlain + 1 : endPlain]
+        del document.body[i:j+1]
+        subst = put_cmd_in_ert("[") + content + put_cmd_in_ert("]")
+        document.body[parbeg + 1:parbeg + 1] = subst
+        i = i + 1
+
+
+def revert_garamondx_newtxmath(document):
+    " Revert native garamond newtxmath definition to LaTeX " 
+
+    i = find_token(document.header, "\\font_math", 0)
+    if i == -1:
+       return
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        val = get_value(document.header, "\\font_math", i)
+        if val == "garamondx-ntxm":
+            add_to_preamble(document, "\\usepackage[garamondx]{newtxmath}")
+            document.header[i] = "\\font_math auto"
+
+
+def revert_garamondx(document):
+    " Revert native garamond font definition to LaTeX " 
+
+    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1: 
+        i = find_token(document.header, "\\font_roman garamondx", 0)
+        if i != -1:
+            osf = False
+            j = find_token(document.header, "\\font_osf true", 0)
+            if j != -1:
+                osf = True
+            preamble = "\\usepackage"
+            if osf:
+                preamble += "[osfI]"
+            preamble += "{garamondx}"
+            add_to_preamble(document, [preamble])
+            document.header[i] = "\\font_roman default"
+
 
 ##
 # Conversion hub
@@ -211,12 +1837,76 @@ convert = [
            [416, []],
            [417, [convert_japanese_encodings]],
            [418, []],
+           [419, []],
+           [420, [convert_biblio_style]],
+           [421, [convert_longtable_captions]],
+           [422, [convert_use_packages]],
+           [423, [convert_use_mathtools]],
+           [424, [convert_cite_engine_type]],
+           [425, []],
+           [426, []],
+           [427, []],
+           [428, [convert_cell_rotation]],
+           [429, [convert_table_rotation]],
+           [430, [convert_listoflistings]],
+           [431, [convert_use_amssymb]],
+           [432, []],
+           [433, [convert_armenian]],
+           [434, []],
+           [435, []],
+           [436, []],
+           [437, []],
+           [438, []],
+           [439, []],
+           [440, []],
+           [441, [convert_mdnomath]],
+           [442, []],
+           [443, []],
+           [444, []],
+           [445, []],
+           [446, [convert_latexargs]],
+           [447, [convert_IEEEtran, convert_AASTeX, convert_AGUTeX, convert_IJMP, convert_SIGPLAN, convert_SIGGRAPH, convert_EuropeCV]],
+           [448, [convert_literate]],
+           [449, []],
+           [450, []]
           ]
 
 revert =  [
+           [449, [revert_garamondx, revert_garamondx_newtxmath]],
+           [448, [revert_itemargs]],
+           [447, [revert_literate]],
+           [446, [revert_IEEEtran, revert_AASTeX, revert_AGUTeX, revert_IJMP, revert_SIGPLAN, revert_SIGGRAPH, revert_EuropeCV]],
+           [445, [revert_latexargs]],
+           [444, [revert_uop]],
+           [443, [revert_biolinum]],
+           [442, []],
+           [441, [revert_newtxmath]],
+           [440, [revert_mdnomath]],
+           [439, [revert_mathfonts]],
+           [438, [revert_minionpro]],
+           [437, [revert_ipadeco, revert_ipachar]],
+           [436, [revert_texgyre]],
+           [435, [revert_mathdesign]],
+           [434, [revert_txtt]],
+           [433, [revert_libertine]],
+           [432, [revert_armenian]],
+           [431, [revert_languages, revert_ancientgreek]],
+           [430, [revert_use_amssymb]],
+           [429, [revert_listoflistings]],
+           [428, [revert_table_rotation]],
+           [427, [revert_cell_rotation]],
+           [426, [revert_tipa]],
+           [425, [revert_verbatim]],
+           [424, [revert_cancel]],
+           [423, [revert_cite_engine_type]],
+           [422, [revert_use_mathtools]],
+           [421, [revert_use_packages]],
+           [420, [revert_longtable_captions]],
+           [419, [revert_biblio_style]],
+           [418, [revert_australian]],
            [417, [revert_justification]],
            [416, [revert_japanese_encodings]],
-           [415, [revert_negative_space,revert_math_spaces]],
+           [415, [revert_negative_space, revert_math_spaces]],
            [414, [revert_undertilde]],
            [413, [revert_visible_space]]
           ]