#\DeclareLyXModule{Number Equations by Section}
+#\DeclareCategory{Maths}
#DescriptionBegin
#Resets the equation number at section start and prepends
#the section number to the equation number, as in '(2.1)'.
#DescriptionEnd
-Format 31
+Format 82
Requires amsmath
EndPreamble
Counter equation
+ GuiName Equation
Within section
LabelString "\thesection.\arabic{equation}"
End