branch: Allow users to specify toolbar icons for commands with a backslash. This is in the same style as the replacements made for math-insert commands.

See the user's list:
http://thread.gmane.org/gmane.editors.lyx.general/52712


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@28833 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt4/GuiApplication.cpp

@@ -317,6 +317,7 @@ QString iconName(FuncRequest const & f, bool unknown)
 		if (!f.argument().empty()) {
 			name1 = name2 + ' ' + toqstr(f.argument());
 			name1.replace(' ', '_');
+			name1.replace('\\', "backslash");
 		}
 	}
 

status.16x

@@ -106,6 +106,8 @@ What's new
 - Accidentally adding more than two rows for cases environments in
   formulas is no longer possible (bug 4141).
 
+- Enable the possibility to specify icons for commands with backspaces.
+
 
 * DOCUMENTATION AND LOCALIZATION