diff -ur a/lib/configure.py b/lib/configure.py
--- a/lib/configure.py 2020-06-01 21:11:22.000000000 +0100
+++ b/lib/configure.py 2020-06-02 15:39:52.234788930 +0100
@@ -682,7 +682,7 @@
\Format xbm xbm XBM "" "%s" "%s" "" "image/x-xbitmap"
\Format xpm xpm XPM "" "%s" "%s" "" "image/x-xpixmap"'''
path, iv = checkViewerNoRC('a raster image viewer',
- ['xv', 'gwenview', 'kview',
+ ['xdg-open','xv', 'gwenview', 'kview',
'eog', 'xviewer', 'ristretto', 'gpicview', 'lximage-qt',
'xdg-open', 'gimp-remote', 'gimp'],
rc_entry = [imageformats])
@@ -731,7 +731,7 @@
\Format html_table html "HTML Table (for spreadsheets)" "" "" "%%" "document" "text/html"
\Format oocalc ods "OpenDocument spreadsheet" "" "" "%%" "document" "application/vnd.oasis.opendocument.spreadsheet"'''])
#
- checkViewer('an HTML previewer', ['firefox', 'mozilla file://$$p$$i', 'netscape'],
+ checkViewer('an HTML previewer', ['xdg-open', 'firefox', 'mozilla file://$$p$$i', 'netscape'],
rc_entry = [r'\Format xhtml xhtml "LyXHTML" y "%%" "" "document,menu=export" "application/xhtml+xml"'])
#
checkEditor('a BibTeX editor', ['jabref', 'JabRef',
@@ -745,7 +745,7 @@
#checkProg('a Postscript interpreter', ['gs'],
# rc_entry = [ r'\ps_command "%%"' ])
checkViewer('a Postscript previewer',
- ['kghostview', 'okular', 'qpdfview --unique',
+ ['xdg-open', 'kghostview', 'okular', 'qpdfview --unique',
'evince', 'xreader',
'gv', 'ghostview -swap', 'gsview64', 'gsview32'],
rc_entry = [r'''\Format eps eps EPS "" "%%" "" "vector" "image/x-eps"
@@ -756,7 +756,7 @@
# maybe use "bestApplication()" from https://github.com/jleclanche/python-mime
# the MIME type is set for pdf6, because that one needs to be autodetectable by libmime
checkViewer('a PDF previewer',
- ['pdfview', 'kpdf', 'okular', 'qpdfview --unique',
+ ['xdg-open', 'pdfview', 'kpdf', 'okular', 'qpdfview --unique',
'evince', 'xreader', 'kghostview', 'xpdf', 'SumatraPDF',
'acrobat', 'acroread', 'mupdf',
'gv', 'ghostview', 'AcroRd32', 'gsview64', 'gsview32'],
@@ -769,7 +769,7 @@
\Format pdf7 pdf "PDF (cropped)" "" "%%" "" "document,vector" ""
\Format pdf8 pdf "PDF (lower resolution)" "" "%%" "" "document,vector" ""'''])
#
- checkViewer('a DVI previewer', ['xdvi', 'kdvi', 'okular',
+ checkViewer('a DVI previewer', ['xdg-open', 'xdvi', 'kdvi', 'okular',
'evince', 'xreader',
'yap', 'dviout -Set=!m'],
rc_entry = [r'''\Format dvi dvi DVI D "%%" "" "document,vector,menu=export" "application/x-dvi"
@@ -778,7 +778,7 @@
# Windows only: DraftDVI
addToRC(r'\Format dvi2 dvi DraftDVI "" "" "" "vector" ""')
#
- checkViewer('an HTML previewer', ['firefox', 'mozilla file://$$p$$i', 'netscape'],
+ checkViewer('an HTML previewer', ['xdg-open', 'firefox', 'mozilla file://$$p$$i', 'netscape'],
rc_entry = [r'\Format html "html, htm" HTML H "%%" "" "document,menu=export" "text/html"'])
#
checkViewerEditor('Noteedit', ['noteedit'],