mob
text="<font color=#FF0000>@"
turf
flor
density=0
text="<font color=#888888 bgcolor=#333333>."
wall
density=1
text="<font color=#888888 bgcolor=#CCCCCC>#"
dus not giv a warning, and nether dus
mob
turf
but
mob
icon='mob.dmi'
turf
flor
density=0
icon='flor.dmi'
wall
density=1
icon='wall.dmi'
givs: Warning no text for objects set
and
mob
text="@"
turf
flor
density=0
icon='flor.dmi'
text="."
wall
density=1
icon='wall.dmi'
text="#"
givs: Warning icon reqired
If I understand you correctly, you're suggesting that DM should give a warning when you have either the icon or text set, but not both. I think that's a terrible idea; roguelike games would be forced to have icons (thereby removing their roguelike-ness), and graphical games would be forced to have text (which for many of those games is sheer lunacy, as text mode would enable you to see and interact with objects that you normally couldn't).