commit f92744d18d4ec0be4e3fa216e0a9ee3673ea8fa2
Author: Richard Heck <[email protected]>
Date:   Thu Oct 20 22:56:40 2016 -0400

    These two routines are now redundant.
    
    (cherry picked from commit c19794a01360a26824ddcabd82cde810e4d1867a)
---
 src/Buffer.cpp                |    4 ++--
 src/BufferParams.cpp          |   17 ++---------------
 src/BufferParams.h            |    4 +---
 src/frontends/qt4/GuiView.cpp |    2 +-
 status.22x                    |    2 ++
 5 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 94e94fa..7b1f169 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -2527,7 +2527,7 @@ bool Buffer::getStatus(FuncRequest const & cmd, 
FuncStatus & flag)
                size_t pos = format.find(' ');
                if (pos != string::npos)
                        format = format.substr(0, pos);
-               enable = params().isExportable(format);
+               enable = params().isExportable(format, false);
                if (!enable)
                        flag.message(bformat(
                                             _("Don't know how to export to 
format: %1$s"), arg));
@@ -2539,7 +2539,7 @@ bool Buffer::getStatus(FuncRequest const & cmd, 
FuncStatus & flag)
                break;
 
        case LFUN_BUILD_PROGRAM:
-               enable = params().isExportable("program");
+               enable = params().isExportable("program", false);
                break;
 
        case LFUN_BRANCH_ACTIVATE:
diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 8af927a..a379e27 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2401,9 +2401,9 @@ string BufferParams::bufferFormat() const
 }
 
 
-bool BufferParams::isExportable(string const & format) const
+bool BufferParams::isExportable(string const & format, bool need_viewable) 
const
 {
-       FormatList const & formats = exportableFormats(false);
+       FormatList const & formats = exportableFormats(need_viewable);
        FormatList::const_iterator fit = formats.begin();
        FormatList::const_iterator end = formats.end();
        for (; fit != end ; ++fit) {
@@ -2444,19 +2444,6 @@ FormatList const & BufferParams::exportableFormats(bool 
only_viewable) const
 }
 
 
-bool BufferParams::isExportableFormat(string const & format) const
-{
-       FormatList const & formats = exportableFormats(true);
-       FormatList::const_iterator fit = formats.begin();
-       FormatList::const_iterator end = formats.end();
-       for (; fit != end ; ++fit) {
-               if ((*fit)->name() == format)
-                       return true;
-       }
-       return false;
-}
-
-
 vector<string> BufferParams::backends() const
 {
        vector<string> v;
diff --git a/src/BufferParams.h b/src/BufferParams.h
index f4caa30..4ae6894 100644
--- a/src/BufferParams.h
+++ b/src/BufferParams.h
@@ -179,11 +179,9 @@ public:
        OutputParams::FLAVOR getOutputFlavor(
                  std::string const & format = std::string()) const;
        ///
-       bool isExportable(std::string const & format) const;
+       bool isExportable(std::string const & format, bool need_viewable) const;
        ///
        std::vector<const Format *> const & exportableFormats(bool 
only_viewable) const;
-       ///
-       bool isExportableFormat(std::string const & format) const;
        /// the backends appropriate for use with this document.
        /// so, e.g., latex is excluded , if we're using non-TeX fonts
        std::vector<std::string> backends() const;
diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 38f3433..8d8ca59 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -1803,7 +1803,7 @@ bool GuiView::getStatus(FuncRequest const & cmd, 
FuncStatus & flag)
                string format = to_utf8(cmd.argument());
                if (cmd.argument().empty())
                        format = doc_buffer->params().getDefaultOutputFormat();
-               enable = doc_buffer->params().isExportableFormat(format);
+               enable = doc_buffer->params().isExportable(format, true);
                break;
        }
 
diff --git a/status.22x b/status.22x
index d3105f1..186a188 100644
--- a/status.22x
+++ b/status.22x
@@ -24,6 +24,8 @@ What's new
 
 - On Windows, allow to automatically bring the LyX window to top (bug 10469).
 
+- Cache information on exportable formats (bug 9980).
+
 
 * DOCUMENTATION AND LOCALIZATION
 

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