Meld does not work with Arc theme because it wants its own icons.
It would be nice to have arc icons for this application to prevent such errors and have a nice integration with the desktop.
File "/usr/lib/python2.7/site-packages/meld/newdifftab.py", line 119, in on_button_compare_clicked
tab = self.diff_methods[self.diff_type](compare_paths)
File "/usr/lib/python2.7/site-packages/meld/meldwindow.py", line 691, in append_filediff
doc = filediff.FileDiff(len(files))
File "/usr/lib/python2.7/site-packages/meld/filediff.py", line 249, in __init__
from meld.gutterrendererchunk import GutterRendererChunkAction, GutterRendererChunkLines
File "/usr/lib/python2.7/site-packages/meld/gutterrendererchunk.py", line 96, in <module>
GtkSource.GutterRendererPixbuf, MeldGutterRenderer):
File "/usr/lib/python2.7/site-packages/meld/gutterrendererchunk.py", line 101, in GutterRendererChunkAction
MODE_REPLACE: load("meld-change-apply-right"),
File "/usr/lib/python2.7/site-packages/meld/gutterrendererchunk.py", line 35, in load
return icon_theme.load_icon(icon_name, LINE_HEIGHT, 0)
GLib.Error: gtk-icon-theme-error-quark: Icon 'meld-change-apply-right' not present in theme Arc (0)
Meld does not work with Arc theme because it wants its own icons. It would be nice to have arc icons for this application to prevent such errors and have a nice integration with the desktop.