casters and off round spell bug

[Alaric]

If you cast off round spells (such as mend/mahe/doom/hold/etc) and then try to use a combat spell (fist/fury/etc) you dont have enough energy to cast it, so you end up doing nothing for that combat turn. Ie: if you sat there and cast grhe/fury and nothing but you would never attack. You would just heal, take hits (and not cast fury), heal, take hits (and not cast fury).

Here is a cap of me fighting a salamander and using various off round spells and trying to fist. I will only actually use fist after I quit casting off-round spells:

[HP=355/MA=263]:se
You hear movement to the southeast.
Lava Tube
Also here: salamander.
Obvious exits: northwest, southeast, southwest
[HP=355/MA=263]:mend
You cast mend on Alaric, regenerating 19 damage!
[HP=355/MA=259]:fist sal
The salamander lashes you with its tail for 1 damage!
You take 9 fire damage!
The salamander lunges at you with their long-spear!
*Combat Engaged*
[HP=345/MA=259]:mend
*Combat Off*
You cast mend on Alaric, regenerating 19 damage!
[HP=345/MA=255]:c
*Combat Engaged*
salamander impales you, but the swing glances off!
The salamander lunges at you with their long-spear!
[HP=355/MA=255]:rfir
*Combat Off*
You cast resist fire on Alaric, surrounding him with a pale red glow.
You feel resistant to fire!
[HP=355/MA=247]:c
*Combat Engaged*
The salamander lunges at you with their long-spear!
salamander pierces you, but the swing glances off!
[HP=355/MA=247]:doom sal
*Combat Off*
You cast creeping doom on salamander!
[HP=355/MA=231]:c
*Combat Engaged*
salamander pierces you, but the swing glances off!
The salamander lunges at you with their long-spear!
[HP=355/MA=247]:shrug
You shrug your shoulders.
You cast earthfist at salamander for 135 damage!
The salamander lunges at you with their long-spear!
The salamander skewers you for 2 damage!
You take 3 fire damage!
[HP=350/MA=231]:
You cast earthfist at salamander for 123 damage!
The salamander shrivels up in a burst of flame.
You gain 1500 experience.
*Combat Off*

Sorry if there's some way to do context highlighting.