diff --git a/.travis.yml.fixme b/.travis.yml.fixme
deleted file mode 100644
index 0aa85f3b4..000000000
--- a/.travis.yml.fixme
+++ /dev/null
@@ -1,44 +0,0 @@
-sudo: required
-dist: trusty
-
-language: cpp
-
-compiler:
-  - gcc
-
-os:
-  - linux
-
-#branches:
-#  only:
-#  - master
-
-notifications:
-  irc:
-    channels:
-    - "chat.freenode.net#rawtherapee"
-    skip_join: true
-    template:
-    - "%{repository}/%{branch} (%{commit} - %{author}): %{build_url}: %{message}"
-  email:
-    on_success: change
-    on_failure: always
-
-env:
-  global:
-  - OMP_NUM_THREADS=4
-
-before_install:
-  - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
-  - sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu/ xenial main"
-  - sudo apt-get -qq update
-  - sudo apt-get install gcc-6 g++-6
-  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 60 --slave /usr/bin/g++ g++ /usr/bin/g++-6
-  - sudo apt-get install build-essential cmake curl git libbz2-dev libcanberra-gtk3-dev libexiv2-dev libexpat-dev libfftw3-dev libglibmm-2.4-dev libgtk-3-dev libgtkmm-3.0-dev libiptcdata0-dev libjpeg8-dev liblcms2-dev libpng12-dev libsigc++-2.0-dev libtiff5-dev zlib1g-dev
-
-before_script:
-  - mkdir build
-  - cd build
-  - cmake -DCMAKE_CXX_FLAGS="-Wno-deprecated-declarations" -DWITH_LTO="OFF" -DPROC_TARGET_NUMBER="2" ..
-
-script: make
diff --git a/rtgui/extprog.cc b/rtgui/extprog.cc
index a6a9050c0..95c1c937d 100644
--- a/rtgui/extprog.cc
+++ b/rtgui/extprog.cc
@@ -58,7 +58,7 @@ bool ExtProgAction::execute (const std::vector<Glib::ustring>& fileNames) const
     }
 
     for (const auto& fileName : fileNames) {
-        cmdLine += " \"" + fileName + "\"";
+        cmdLine += " " + Glib::shell_quote(fileName);
     }
 
     return ExtProgStore::spawnCommandAsync (cmdLine);
@@ -256,7 +256,7 @@ bool ExtProgStore::openInGimp (const Glib::ustring& fileName)
 
 #else
 
-    auto cmdLine = Glib::ustring("gimp \"") + fileName + Glib::ustring("\"");
+    auto cmdLine = Glib::ustring("gimp ") + Glib::shell_quote(fileName);
     auto success = spawnCommandAsync (cmdLine);
 
 #endif
@@ -291,7 +291,7 @@ bool ExtProgStore::openInGimp (const Glib::ustring& fileName)
 
 #else
 
-    cmdLine = Glib::ustring("gimp-remote \"") + fileName + Glib::ustring("\"");
+    cmdLine = Glib::ustring("gimp-remote ") + Glib::shell_quote(fileName);
     success = ExtProgStore::spawnCommandAsync (cmdLine);
 
 #endif
@@ -312,7 +312,7 @@ bool ExtProgStore::openInPhotoshop (const Glib::ustring& fileName)
 
 #else
 
-    const auto cmdLine = Glib::ustring("\"") + Glib::build_filename(options.psDir, "Photoshop.exe") + Glib::ustring("\" \"") + fileName + Glib::ustring("\"");
+    const auto cmdLine = Glib::ustring("\"") + Glib::build_filename(options.psDir, "Photoshop.exe") + "\" " + Glib::shell_quote(fileName);
 
 #endif
 
@@ -334,7 +334,7 @@ bool ExtProgStore::openInCustomEditor (const Glib::ustring& fileName)
 
 #else
 
-    const auto cmdLine = Glib::ustring("\"") + options.customEditorProg + Glib::ustring("\" \"") + fileName + Glib::ustring("\"");
+    const auto cmdLine = Glib::ustring("\"") + options.customEditorProg + "\" " + Glib::shell_quote(fileName);
     return spawnCommandAsync (cmdLine);
 
 #endif
diff --git a/rtgui/pdsharpening.cc b/rtgui/pdsharpening.cc
index cd34a466e..3134afa1c 100644
--- a/rtgui/pdsharpening.cc
+++ b/rtgui/pdsharpening.cc
@@ -18,17 +18,23 @@
 */
 
 #include <cmath>
-#include "eventmapper.h"
+#include <iomanip>
+
 #include "pdsharpening.h"
+
+#include "eventmapper.h"
 #include "options.h"
+
 #include "../rtengine/procparams.h"
 
 using namespace rtengine;
 using namespace rtengine::procparams;
 
-PdSharpening::PdSharpening() : FoldableToolPanel(this, "capturesharpening", M("TP_PDSHARPENING_LABEL"), false, true)
+PdSharpening::PdSharpening() :
+    FoldableToolPanel(this, "capturesharpening", M("TP_PDSHARPENING_LABEL"), false, true),
+    lastAutoContrast(true),
+    lastAutoRadius(true)
 {
-
     auto m = ProcEventMapper::getInstance();
     EvPdShrContrast = m->newEvent(CAPTURESHARPEN, "HISTORY_MSG_PDSHARPEN_CONTRAST");
     EvPdSharpenGamma = m->newEvent(CAPTURESHARPEN, "HISTORY_MSG_PDSHARPEN_GAMMA");