-.TH PNG 5 "March 15, 1998"
+.TH PNG 5 "January 14, 1999"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
a patent-free replacement for GIF and can also replace many
common uses of TIFF. Indexed-color, grayscale, and truecolor images are
supported, plus an optional alpha channel. Sample depths range from
-1 to 16 bits.
+1 to 16 bits.
.br
PNG is designed to work well in online viewing applications, such as the
option. PNG is robust, providing both full file integrity checking and
fast, simple detection of common transmission errors. Also, PNG can store
gamma and chromaticity data for improved color matching on heterogeneous
-platforms.
+platforms.
.SH "SEE ALSO"
.IR libpng(3), zlib(3), deflate(5), and zlib(5)