abr	no abbreviation; write out
adj	use adjective instead of adverb
adv	use adverb instead of adjective
agr	agreement
awk	awkward
C	capital letter
lc	no capital letter
case	wrong case
col	colloquialism
concl	conclusion needed
dev	develop further
frag	setence fragment
	elimination of space between letters
gr	grammar error
inc	incomplete expression
?	ill-defined or illegible
log	illogical
M	margin
NC	not clear
O	should be omitted
/\	omission
| |	parallelism
	paragraph
no	no paragraph
proof	supportive evidence needed
p	punctuation
ref	reference of pronoun
rep	unnecessary repetition
RO	run-on sentence
S	bad sentence
shift	voice, tense, or subject
slang	slang
/	space between letters or words
sp	spelling error
spec	specify
syl	syllabication error
t	wrong
tr	transition needed
~	transposition of letters or words
u	lack of unity
vague	vague
v	voice
w w	wrong word

Note: All papers should be formatted according to the standard PenHi English Department style sheet.