Implement in-memory source/destination managers even when not emulating the libjpeg v8 API/ABI

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@913 632fc199-4ca6-4c93-a231-07263d6284db

djpeg.1

@@ -1,4 +1,4 @@
-.TH DJPEG 1 "1 January 2013"
+.TH DJPEG 1 "18 January 2013"
 .SH NAME
 djpeg \- decompress a JPEG file to an image file
 .SH SYNOPSIS
@@ -173,6 +173,10 @@ selects 4000000 bytes.  If more space is needed, temporary files will be used.
 .BI \-outfile " name"
 Send output image to the named file, not to standard output.
 .TP
+.BI \-memsrc
+Load input file into memory before decompressing.  This feature was implemented
+mainly as a way of testing the in-memory source manager (jpeg_mem_src().)
+.TP
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's
@@ -245,7 +249,8 @@ Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
 Independent JPEG Group
 .PP
 This file was modified by The libjpeg-turbo Project to include only information
-relevant to libjpeg-turbo and to wordsmith certain sections.
+relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
+features not present in libjpeg.
 .SH BUGS
 To avoid the Unisys LZW patent,
 .B djpeg