[libpng17] Minor editing of INSTALL, (whitespace, added copyright line)

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta84 - August 8, 2016
+Libpng 1.7.0beta84 - August 18, 2016
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -1396,7 +1396,8 @@ Version 1.7.0beta83 [July 23, 2016]
     in reading.
   Fixed debug test of output gamma.
 
-Version 1.7.0beta84 [August 8, 2016]
+Version 1.7.0beta84 [August 18, 2016]
+  Minor editing of INSTALL, (whitespace, added copyright line)
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

CHANGES

@@ -5696,7 +5696,8 @@ Version 1.7.0beta83 [July 23, 2016]
     in reading.
   Fixed debug test of output gamma.
 
-Version 1.7.0beta84 [August 8, 2016]
+Version 1.7.0beta84 [August 18, 2016]
+  Minor editing of INSTALL, (whitespace, added copyright line)
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

INSTALL

@@ -97,7 +97,9 @@ LDFLAGS="-L$ZLIBLIB" export LDFLAGS
     LD_LIBRARY_PATH="$ZLIBLIB:$LD_LIBRARY_PATH" export LD_LIBRARY_PATH
 
 If you are using one of the makefile scripts, put ZLIBLIB and ZLIBINC
-in your environment and type "make ZLIBLIB=$ZLIBLIB ZLIBINC=$ZLIBINC test".
+in your environment and type
+
+    make ZLIBLIB=$ZLIBLIB ZLIBINC=$ZLIBINC test
 
 IV. Using cmake
 
@@ -131,8 +133,8 @@ Your directory structure should look like this:
              libpng-config.in, aclocal.m4, config.h.in, config.sub,
              depcomp, install-sh, mkinstalldirs, test-pngtest.sh
           contrib
-             arm-neon, conftest, examples, extensions.*, gregbook, libtests,
-             neon, pngminim, pngminus, pngsuite, testpngs, tools, visupng
+             arm-neon, conftest, examples, gregbook, libtests, pngminim,
+             pngminus, pngsuite, tools, visupng
           projects
              cbuilder5, owatcom, visualc71, vstudio, xcode
           scripts
@@ -163,9 +165,14 @@ VII. Building with makefiles
 Copy the file (or files) that you need from the
 scripts directory into this directory, for example
 
-   MSDOS example: copy scripts\makefile.msc makefile
+MSDOS example:
+
+    copy scripts\makefile.msc makefile
     copy scripts\pnglibconf.h.prebuilt pnglibconf.h
-   UNIX example:  cp scripts/makefile.std makefile
+
+UNIX example:
+
+    cp scripts/makefile.std makefile
     cp scripts/pnglibconf.h.prebuilt pnglibconf.h
 
 Read the makefile to see if you need to change any source or
@@ -243,7 +250,7 @@ libpng are compiled.  All the defines end in _SUPPORTED.  If you are
 never going to use a capability, you can change the #define to #undef
 before recompiling libpng and save yourself code and data space, or
 you can turn off individual capabilities with defines that begin with
-PNG_NO_.
+"PNG_NO_".
 
 In libpng-1.5.0 and later, the #define's are in pnglibconf.h instead.
 
@@ -311,7 +318,7 @@ only png_longjmp_ptr, which must match the C longjmp function.)  The new
 approach is documented in pngconf.h
 
 Despite these changes, libpng 1.5.0 only supports the native C function
-calling standard on those platforms tested so far (__cdecl on Microsoft
+calling standard on those platforms tested so far ("__cdecl" on Microsoft
 Windows).  This is because the support requirements for alternative
 calling conventions seem to no longer exist.  Developers who find it
 necessary to set PNG_API_RULE to 1 should advise the mailing list
@@ -401,3 +408,8 @@ XVII. Other sources of information about libpng:
 Further information can be found in the README and libpng-manual.txt
 files, in the individual makefiles, in png.h, and the manual pages
 libpng.3 and png.5.
+
+Copyright (c) 1998-2002,2006-2016 Glenn Randers-Pehrson
+This document is released under the libpng license.
+For conditions of distribution and use, see the disclaimer
+and license in png.h.