]> git.lyx.org Git - lyx.git/blobdiff - src/tex2lyx/text.cpp
Don't show citation engines in the list of modules. They are found under the bibliogr...
[lyx.git] / src / tex2lyx / text.cpp
index 71d36a56befa72afe432ede42035bd7ac2ef04aa..e083e39ec8a147e8104186f1e8167e3e31103722 100644 (file)
@@ -24,6 +24,8 @@
 #include "Length.h"
 #include "Preamble.h"
 
+#include "insets/ExternalTemplate.h"
+
 #include "support/lassert.h"
 #include "support/convert.h"
 #include "support/FileName.h"
@@ -455,8 +457,11 @@ docstring convert_unicodesymbols(docstring s)
                }
                s = s.substr(i);
                docstring rem;
-               docstring parsed = encodings.fromLaTeXCommand(s, rem,
-                               Encodings::TEXT_CMD);
+               set<string> req;
+               docstring parsed = encodings.fromLaTeXCommand(s,
+                               Encodings::TEXT_CMD, rem, &req);
+               for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                       preamble.registerAutomaticallyLoadedPackage(*it);
                os << parsed;
                s = rem;
                if (s.empty() || s[0] != '\\')
@@ -564,7 +569,7 @@ void skip_spaces_braces(Parser & p, bool keepws = false)
           should be handled by this function:
           - abc \j{} xyz
           - abc \j {} xyz
-          - abc \j 
+          - abc \j
             {} xyz
           - abc \j %comment
             {} xyz
@@ -608,7 +613,7 @@ void output_command_layout(ostream & os, Parser & p, bool outer,
        while (optargs < context.layout->optargs) {
                eat_whitespace(p, os, context, false);
                if (p.next_token().cat() == catEscape ||
-                   p.next_token().character() != '[') 
+                   p.next_token().character() != '[')
                        break;
                p.get_token(); // eat '['
                begin_inset(os, "Argument\n");
@@ -925,7 +930,7 @@ void parse_box(Parser & p, ostream & os, unsigned outer_flags,
                        // the inner env
                        if (!inner_type.empty() && (inner_flags & FLAG_END))
                                active_environments.pop_back();
-       
+
                        // Ensure that the end of the outer box is parsed correctly:
                        // The opening brace has been eaten by parse_outer_box()
                        if (!outer_type.empty() && (outer_flags & FLAG_ITEM)) {
@@ -1113,16 +1118,35 @@ void parse_outer_box(Parser & p, ostream & os, unsigned flags, bool outer,
 }
 
 
-void parse_listings(Parser & p, ostream & os, Context & parent_context)
+void parse_listings(Parser & p, ostream & os, Context & parent_context, bool in_line)
 {
        parent_context.check_layout(os);
        begin_inset(os, "listings\n");
-       os << "inline false\n"
-          << "status collapsed\n";
+       if (p.hasOpt()) {
+               // there can be a [] pair inside the argument for the language
+               string arg = p.getArg('[', ']');
+               if (arg.find("language={[") != string::npos) {
+                       char start = p.next_token().character();
+                       arg += ']';
+                       arg += start;
+                       arg += p.getArg(start, ']');
+               }
+               os << "lstparams " << '"' << arg << '"' << '\n';
+       }
+       if (in_line)
+               os << "inline true\n";
+       else
+               os << "inline false\n";
+       os << "status collapsed\n";
        Context context(true, parent_context.textclass);
        context.layout = &parent_context.textclass.plainLayout();
-       context.check_layout(os);
-       string const s = p.verbatimEnvironment("lstlisting");
+       string s;
+       if (in_line) {
+               s = p.plainCommand('!', '!', "lstinline");
+               context.new_paragraph(os);
+               context.check_layout(os);
+       } else
+               s = p.plainEnvironment("lstlisting");
        for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
                if (*it == '\\')
                        os << "\n\\backslash\n";
@@ -1223,6 +1247,15 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        float_type = "";
                if (!opt.empty())
                        os << "placement " << opt << '\n';
+               if (contains(opt, "H"))
+                       preamble.registerAutomaticallyLoadedPackage("float");
+               else {
+                       Floating const & fl = parent_context.textclass.floats()
+                               .getType(unstarred_name);
+                       if (!fl.floattype().empty() && fl.usesFloatPkg())
+                               preamble.registerAutomaticallyLoadedPackage("float");
+               }
+
                os << "wide " << convert<string>(is_starred)
                   << "\nsideways false"
                   << "\nstatus open\n\n";
@@ -1253,6 +1286,7 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                // we must make sure that the next item gets a \begin_layout.
                parent_context.new_paragraph(os);
                p.skip_spaces();
+               preamble.registerAutomaticallyLoadedPackage("rotfloat");
        }
 
        else if (name == "wrapfigure" || name == "wraptable") {
@@ -1285,6 +1319,7 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                // we must make sure that the next item gets a \begin_layout.
                parent_context.new_paragraph(os);
                p.skip_spaces();
+               preamble.registerAutomaticallyLoadedPackage("wrapfig");
        }
 
        else if (name == "minipage") {
@@ -1324,6 +1359,31 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                end_inset(os);
                p.skip_spaces();
                skip_braces(p); // eat {} that might by set by LyX behind comments
+               preamble.registerAutomaticallyLoadedPackage("verbatim");
+       }
+
+       else if (name == "verbatim") {
+               os << "\n\\end_layout\n\n\\begin_layout Verbatim\n";
+               string const s = p.plainEnvironment("verbatim");
+               string::const_iterator it2 = s.begin();
+               for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
+                       if (*it == '\\')
+                               os << "\\backslash ";
+                       else if (*it == '\n') {
+                               it2 = it + 1;
+                               // avoid adding an empty paragraph at the end
+                               // FIXME: if there are 2 consecutive spaces at the end ignore it
+                               // because LyX will re-add a \n
+                               // This hack must be removed once bug 8049 is fixed!
+                               if ((it + 1 != et) && (it + 2 != et || *it2 != '\n'))
+                                       os << "\n\\end_layout\n\\begin_layout Verbatim\n";
+                       } else 
+                               os << *it;
+               }
+               os << "\n\\end_layout\n\n";
+               p.skip_spaces();
+               // reset to Standard layout
+               os << "\n\\begin_layout Standard\n";
        }
 
        else if (name == "lyxgreyedout") {
@@ -1346,14 +1406,9 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 
        else if (name == "lstlisting") {
                eat_whitespace(p, os, parent_context, false);
-               // FIXME handle listings with parameters
-               //       If this is added, don't forgot to handle the
-               //       automatic color package loading
-               if (p.hasOpt())
-                       parse_unknown_environment(p, name, os, FLAG_END,
-                                                 outer, parent_context);
-               else
-                       parse_listings(p, os, parent_context);
+               // FIXME handle the automatic color package loading
+               // uwestoehr asks: In what case color is loaded?
+               parse_listings(p, os, parent_context, false);
                p.skip_spaces();
        }
 
@@ -1386,12 +1441,16 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        parent_context.add_extra_stuff("\\align center\n");
                else if (name == "singlespace")
                        parent_context.add_extra_stuff("\\paragraph_spacing single\n");
-               else if (name == "onehalfspace")
+               else if (name == "onehalfspace") {
                        parent_context.add_extra_stuff("\\paragraph_spacing onehalf\n");
-               else if (name == "doublespace")
+                       preamble.registerAutomaticallyLoadedPackage("setspace");
+               } else if (name == "doublespace") {
                        parent_context.add_extra_stuff("\\paragraph_spacing double\n");
-               else if (name == "spacing")
+                       preamble.registerAutomaticallyLoadedPackage("setspace");
+               } else if (name == "spacing") {
                        parent_context.add_extra_stuff("\\paragraph_spacing other " + p.verbatim_item() + "\n");
+                       preamble.registerAutomaticallyLoadedPackage("setspace");
+               }
                parse_text(p, os, FLAG_END, outer, parent_context);
                // Just in case the environment is empty
                parent_context.extra_stuff.erase();
@@ -1459,7 +1518,7 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        while (optargs < context.layout->optargs) {
                                eat_whitespace(p, os, context, false);
                                if (p.next_token().cat() == catEscape ||
-                                   p.next_token().character() != '[') 
+                                   p.next_token().character() != '[')
                                        break;
                                p.get_token(); // eat '['
                                if (need_layout) {
@@ -1503,6 +1562,9 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                p.skip_spaces();
                if (!title_layout_found)
                        title_layout_found = newlayout->intitle;
+               set<string> const & req = newlayout->requires();
+               for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                       preamble.registerAutomaticallyLoadedPackage(*it);
        }
 
        // The single '=' is meant here.
@@ -1877,6 +1939,28 @@ void parse_macro(Parser & p, ostream & os, Context & context)
                handle_ert(os, command + ert, context);
 }
 
+
+void registerExternalTemplatePackages(string const & name)
+{
+       external::TemplateManager const & etm = external::TemplateManager::get();
+       external::Template const * const et = etm.getTemplateByName(name);
+       if (!et)
+               return;
+       external::Template::Formats::const_iterator cit = et->formats.end();
+       if (pdflatex)
+               cit = et->formats.find("PDFLaTeX");
+       if (cit == et->formats.end())
+               // If the template has not specified a PDFLaTeX output,
+               // we try the LaTeX format.
+               cit = et->formats.find("LaTeX");
+       if (cit == et->formats.end())
+               return;
+       vector<string>::const_iterator qit = cit->second.requirements.begin();
+       vector<string>::const_iterator qend = cit->second.requirements.end();
+       for (; qit != qend; ++qit)
+               preamble.registerAutomaticallyLoadedPackage(*qit);
+}
+
 } // anonymous namespace
 
 
@@ -1889,7 +1973,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
        // Store the latest bibliographystyle and nocite{*} option
        // (needed for bibtex inset)
        string btprint;
-       string bibliographystyle;
+       string bibliographystyle = "default";
        bool const use_natbib = preamble.isPackageUsed("natbib");
        bool const use_jurabib = preamble.isPackageUsed("jurabib");
        string last_env;
@@ -2241,7 +2325,8 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                // FIXME: This swallows comments, but we cannot use
                                //        eat_whitespace() since we must not output
                                //        anything before the item.
-                               s = p.getArg('[', ']');
+                               p.skip_spaces(true);
+                               s = p.verbatimOption();
                        } else
                                p.skip_spaces(false);
                        context.set_item();
@@ -2291,7 +2376,8 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                else if (t.cs() == "bibitem") {
                        context.set_item();
                        context.check_layout(os);
-                       string label = convert_command_inset_arg(p.getArg('[', ']'));
+                       eat_whitespace(p, os, context, false);
+                       string label = convert_command_inset_arg(p.verbatimOption());
                        string key = convert_command_inset_arg(p.verbatim_item());
                        if (contains(label, '\\') || contains(key, '\\')) {
                                // LyX can't handle LaTeX commands in labels or keys
@@ -2308,20 +2394,29 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
 
                else if (is_macro(p)) {
                        // catch the case of \def\inputGnumericTable
+                       bool macro = true;
                        if (t.cs() == "def") {
-                               Token second = p.get_token();
+                               Token second = p.next_token();
                                if (second.cs() == "inputGnumericTable") {
+                                       p.pushPosition();
+                                       p.get_token();
                                        skip_braces(p);
                                        Token third = p.get_token();
+                                       p.popPosition();
                                        if (third.cs() == "input") {
+                                               p.get_token();
+                                               skip_braces(p);
+                                               p.get_token();
                                                string name = normalize_filename(p.verbatim_item());
                                                string const path = getMasterFilePath();
                                                // We want to preserve relative / absolute filenames,
                                                // therefore path is only used for testing
+                                               // The file extension is in every case ".tex".
+                                               // So we need to remove this extension and check for
+                                               // the original one.
+                                               name = removeExtension(name);
                                                if (!makeAbsPath(name, path).exists()) {
-                                                       // The file extension is probably missing.
-                                                       // Now try to find it out.
-                                                       char const * const Gnumeric_formats[] = {"gnumeric"
+                                                       char const * const Gnumeric_formats[] = {"gnumeric",
                                                                "ods", "xls", 0};
                                                        string const Gnumeric_name =
                                                                find_file(name, path, Gnumeric_formats);
@@ -2339,10 +2434,14 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                                   << name << "\n";
                                                end_inset(os);
                                                context.check_layout(os);
+                                               macro = false;
+                                               // register the packages that are automatically reloaded
+                                               // by the Gnumeric template
+                                               registerExternalTemplatePackages("GnumericSpreadsheet");
                                        }
                                }
                        }
-                       if (is_macro(p))
+                       if (macro)
                                parse_macro(p, os, context);
                }
 
@@ -2390,6 +2489,10 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                        p.skip_spaces();
                                        if (!title_layout_found)
                                                title_layout_found = newlayout->intitle;
+                                       set<string> const & req = newlayout->requires();
+                                       for (set<string>::const_iterator it = req.begin();
+                                            it != req.end(); it++)
+                                               preamble.registerAutomaticallyLoadedPackage(*it);
                                } else
                                        handle_ert(os, "\\date{" + date + '}',
                                                        context);
@@ -2407,6 +2510,9 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        p.skip_spaces();
                        if (!title_layout_found)
                                title_layout_found = newlayout->intitle;
+                       set<string> const & req = newlayout->requires();
+                       for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                               preamble.registerAutomaticallyLoadedPackage(*it);
                }
 
                // Section headings and the like
@@ -2417,6 +2523,9 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        p.skip_spaces();
                        if (!title_layout_found)
                                title_layout_found = newlayout->intitle;
+                       set<string> const & req = newlayout->requires();
+                       for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                               preamble.registerAutomaticallyLoadedPackage(*it);
                }
 
                else if (t.cs() == "caption") {
@@ -2665,6 +2774,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        // Warn about invalid options.
                        // Check whether some option was given twice.
                        end_inset(os);
+                       preamble.registerAutomaticallyLoadedPackage("graphicx");
                }
 
                else if (t.cs() == "footnote" ||
@@ -2686,6 +2796,11 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        end_inset(os);
                }
 
+               else if (t.cs() == "lstinline") {
+                       p.skip_spaces();
+                       parse_listings(p, os, context, true);
+               }
+
                else if (t.cs() == "ensuremath") {
                        p.skip_spaces();
                        context.check_layout(os);
@@ -2906,7 +3021,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        end_inset(os);
                        skip_spaces_braces(p);
                }
-               
+
                else if (t.cs() == "lyxline") {
                        // swallow size argument (it is not used anyway)
                        p.getArg('{', '}');
@@ -2971,6 +3086,9 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                   << convert_command_inset_arg(p.verbatim_item())
                                   << "\"\n";
                                end_inset(os);
+                               if (t.cs() == "vref" || t.cs() == "vpageref")
+                                       preamble.registerAutomaticallyLoadedPackage("varioref");
+
                        } else {
                                // LyX does not support optional arguments of ref commands
                                handle_ert(os, t.asInput() + '[' + opt + "]{" +
@@ -3103,12 +3221,18 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                btprint = key;
                }
 
-               else if (t.cs() == "index") {
+               else if (t.cs() == "index" ||
+                        (t.cs() == "sindex" && preamble.use_indices() == "true")) {
                        context.check_layout(os);
-                       begin_inset(os, "Index idx\n");
-                       os << "status collapsed\n";
+                       string const arg = (t.cs() == "sindex" && p.hasOpt()) ?
+                               p.getArg('[', ']') : "";
+                       string const kind = arg.empty() ? "idx" : arg;
+                       begin_inset(os, "Index ");
+                       os << kind << "\nstatus collapsed\n";
                        parse_text_in_inset(p, os, FLAG_ITEM, false, context, "Index");
                        end_inset(os);
+                       if (kind != "idx")
+                               preamble.registerAutomaticallyLoadedPackage("splitidx");
                }
 
                else if (t.cs() == "nomenclature") {
@@ -3123,8 +3247,9 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                           << convert_command_inset_arg(p.verbatim_item())
                           << "\"\n";
                        end_inset(os);
+                       preamble.registerAutomaticallyLoadedPackage("nomencl");
                }
-               
+
                else if (t.cs() == "label") {
                        context.check_layout(os);
                        begin_command_inset(os, "label", "label");
@@ -3140,6 +3265,9 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        os << "type \"idx\"\n";
                        end_inset(os);
                        skip_spaces_braces(p);
+                       preamble.registerAutomaticallyLoadedPackage("makeidx");
+                       if (preamble.use_indices() == "true")
+                               preamble.registerAutomaticallyLoadedPackage("splitidx");
                }
 
                else if (t.cs() == "printnomenclature") {
@@ -3166,6 +3294,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                os << "width \"" << width << '\"';
                        end_inset(os);
                        skip_spaces_braces(p);
+                       preamble.registerAutomaticallyLoadedPackage("nomencl");
                }
 
                else if ((t.cs() == "textsuperscript" || t.cs() == "textsubscript")) {
@@ -3267,7 +3396,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                else if (t.cs() == "selectlanguage") {
                        context.check_layout(os);
                        // save the language for the case that a
-                       // \foreignlanguage is used 
+                       // \foreignlanguage is used
 
                        context.font.language = babel2lyx(p.verbatim_item());
                        os << "\n\\lang " << context.font.language << "\n";
@@ -3374,21 +3503,25 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        handle_ert(os, t.asInput(), context);
 
                // accents (see Table 6 in Comprehensive LaTeX Symbol List)
-               else if (t.cs().size() == 1 
+               else if (t.cs().size() == 1
                         && contains("\"'.=^`bcdHkrtuv~", t.cs())) {
                        context.check_layout(os);
                        // try to see whether the string is in unicodesymbols
                        docstring rem;
-                       string command = t.asInput() + "{" 
+                       string command = t.asInput() + "{"
                                + trimSpaceAndEol(p.verbatim_item())
                                + "}";
-                       docstring s = encodings.fromLaTeXCommand(from_utf8(command), rem);
+                       set<string> req;
+                       docstring s = encodings.fromLaTeXCommand(from_utf8(command),
+                               Encodings::TEXT_CMD | Encodings::MATH_CMD, rem, &req);
                        if (!s.empty()) {
                                if (!rem.empty())
-                                       cerr << "When parsing " << command 
+                                       cerr << "When parsing " << command
                                             << ", result is " << to_utf8(s)
                                             << "+" << to_utf8(rem) << endl;
                                os << to_utf8(s);
+                               for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                                       preamble.registerAutomaticallyLoadedPackage(*it);
                        } else
                                // we did not find a non-ert version
                                handle_ert(os, command, context);
@@ -3518,10 +3651,13 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                begin_inset(os, "External\n");
                                os << "\ttemplate XFig\n"
                                   << "\tfilename " << outname << '\n';
+                               registerExternalTemplatePackages("XFig");
                        } else {
                                begin_command_inset(os, "include", name);
                                os << "preview false\n"
                                      "filename \"" << outname << "\"\n";
+                               if (t.cs() == "verbatiminput")
+                                       preamble.registerAutomaticallyLoadedPackage("verbatim");
                        }
                        end_inset(os);
                }
@@ -3872,6 +4008,75 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        end_inset(os);
                }
 
+               else if (t.cs() == "includepdf") {
+                       p.skip_spaces();
+                       string const arg = p.getArg('[', ']');
+                       map<string, string> opts;
+                       vector<string> keys;
+                       split_map(arg, opts, keys);
+                       string name = normalize_filename(p.verbatim_item());
+                       string const path = getMasterFilePath();
+                       // We want to preserve relative / absolute filenames,
+                       // therefore path is only used for testing
+                       if (!makeAbsPath(name, path).exists()) {
+                               // The file extension is probably missing.
+                               // Now try to find it out.
+                               char const * const pdfpages_format[] = {"pdf", 0};
+                               string const pdftex_name =
+                                       find_file(name, path, pdfpages_format);
+                               if (!pdftex_name.empty()) {
+                                       name = pdftex_name;
+                                       pdflatex = true;
+                               }
+                       }
+                       if (makeAbsPath(name, path).exists())
+                               fix_relative_filename(name);
+                       else
+                               cerr << "Warning: Could not find file '"
+                                    << name << "'." << endl;
+                       // write output
+                       context.check_layout(os);
+                       begin_inset(os, "External\n\ttemplate ");
+                       os << "PDFPages\n\tfilename "
+                          << name << "\n";
+                       // parse the options
+                       if (opts.find("pages") != opts.end())
+                               os << "\textra LaTeX \"pages="
+                                  << opts["pages"] << "\"\n";
+                       if (opts.find("angle") != opts.end())
+                               os << "\trotateAngle "
+                                  << opts["angle"] << '\n';
+                       if (opts.find("origin") != opts.end()) {
+                               ostringstream ss;
+                               string const opt = opts["origin"];
+                               if (opt == "tl") ss << "topleft";
+                               if (opt == "bl") ss << "bottomleft";
+                               if (opt == "Bl") ss << "baselineleft";
+                               if (opt == "c") ss << "center";
+                               if (opt == "tc") ss << "topcenter";
+                               if (opt == "bc") ss << "bottomcenter";
+                               if (opt == "Bc") ss << "baselinecenter";
+                               if (opt == "tr") ss << "topright";
+                               if (opt == "br") ss << "bottomright";
+                               if (opt == "Br") ss << "baselineright";
+                               if (!ss.str().empty())
+                                       os << "\trotateOrigin " << ss.str() << '\n';
+                               else
+                                       cerr << "Warning: Ignoring unknown includegraphics origin argument '" << opt << "'\n";
+                       }
+                       if (opts.find("width") != opts.end())
+                               os << "\twidth "
+                                  << translate_len(opts["width"]) << '\n';
+                       if (opts.find("height") != opts.end())
+                               os << "\theight "
+                                  << translate_len(opts["height"]) << '\n';
+                       if (opts.find("keepaspectratio") != opts.end())
+                               os << "\tkeepAspectRatio\n";
+                       end_inset(os);
+                       context.check_layout(os);
+                       registerExternalTemplatePackages("PDFPages");
+               }
+
                else if (t.cs() == "loadgame") {
                        p.skip_spaces();
                        string name = normalize_filename(p.verbatim_item());
@@ -3901,6 +4106,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        // after a \loadgame follows a \showboard
                        if (p.get_token().asInput() == "showboard")
                                p.get_token();
+                       registerExternalTemplatePackages("ChessDiagram");
                }
 
                else {
@@ -3908,16 +4114,19 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        // Only use text mode commands, since we are in text mode here,
                        // and math commands may be invalid (bug 6797)
                        docstring rem;
+                       set<string> req;
                        docstring s = encodings.fromLaTeXCommand(from_utf8(t.asInput()),
-                                                                rem, Encodings::TEXT_CMD);
+                                                                Encodings::TEXT_CMD, rem, &req);
                        if (!s.empty()) {
                                if (!rem.empty())
-                                       cerr << "When parsing " << t.cs() 
+                                       cerr << "When parsing " << t.cs()
                                             << ", result is " << to_utf8(s)
                                             << "+" << to_utf8(rem) << endl;
                                context.check_layout(os);
                                os << to_utf8(s);
                                skip_spaces_braces(p);
+                               for (set<string>::const_iterator it = req.begin(); it != req.end(); it++)
+                                       preamble.registerAutomaticallyLoadedPackage(*it);
                        }
                        //cerr << "#: " << t << " mode: " << mode << endl;
                        // heuristic: read up to next non-nested space