This is BibTeX, Version 0.99c (Web2C 7.3.1)
The top-level auxiliary file: outline.aux
The style file: plain.bst
Database file #1: refs.bib
Warning--I didn't find a database entry for "chen:hidden"
You've used 11 entries,
            2118 wiz_defined-function locations,
            617 strings with 8407 characters,
and the built_in function-call counts, 4238 in all, are:
= -- 422
> -- 227
< -- 0
+ -- 92
- -- 78
* -- 346
:= -- 726
add.period$ -- 33
call.type$ -- 11
change.case$ -- 72
chr.to.int$ -- 0
cite$ -- 11
duplicate$ -- 121
empty$ -- 299
format.name$ -- 78
if$ -- 843
int.to.chr$ -- 0
int.to.str$ -- 11
missing$ -- 11
newline$ -- 58
num.names$ -- 22
pop$ -- 50
preamble$ -- 1
purify$ -- 61
quote$ -- 0
skip$ -- 77
stack$ -- 0
substring$ -- 355
swap$ -- 11
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 44
warning$ -- 0
while$ -- 42
width$ -- 13
write$ -- 123
(There was 1 warning)