Programming Gems – errata

Here are a few corrections for the book Lua Programming Gems. Inserted text, deleted text, and corrected text have been marked in color.

Chapter 2

page 16, end of second paragraph:
the performance of our implementation
page 18, third code sample:
lim = 100000
page 19, first paragraph:
about how Lua implements tables
page 20, footnote:
the smallest power of two
page 23, 4th paragraph:
this change reduces the use of memory from 95 MBytes to 65 MBytes.
page 23, 5th paragraph:
a one-million-point polyline uses only 24 MBytes of memory.
page 27, first line:
by better tuning the collector for that particular case.
page 27, end of second paragraph:
All of them have their uses when tuning a memory-hungry program.
page 28, end of third paragraph:
you lose flexibility.

page 36, code sample; page 39, Listing 2:
encoded = infile:read("*a")
infile:close()

page 57, first paragraph:
where words are executed as soon as they are read
page 58, Introduction, third paragraph:
is hard to change(1).
page 58, Forth via examples, first paragraph:
Note that "words" are sequences of non-whitespace characters

page 85, first paragraph:
Kepler 1.1 adds support for the developing web applications,
page 86, last paragraph:
are already provided by Kepler in a simple way
page 91, second paragraph:
To implement this we use replace the match function
page 96, last paragraph:
Instead of locking the user into a specific solution

page 100, first paragraph:
Each time the high-level filter is passed a new chunk,

page 130, 4th paragraph:
Strictly speaking, the above is only true when the prototype object's _clone field is modified.