avoid dead code in i_tt_glyph_names()

[imager.git] / PNG / README

diff --git a/PNG/README b/PNG/README
index 7b3dab9ae8f843242759c9ff570e1d5971648469..4b2fe74d6b2a9a7c963d7dce7d04abcd6c625b9a 100644 (file)
--- a/PNG/README
+++ b/PNG/README
@@ -1,7 +1,15 @@
 Imager::File::PNG provides PNG file format support for Imager.
 
-It requires libpng to be installed.
+It requires libpng, including development files, to be installed.
 
-This is currently shipped as part of Imager, but Imager may install
-with out installing Imager::File::PNG, so if you need PNG support,
-add a dependency on Imager::File::PNG.
+libpng 1.2 or later is supported, with minor extra features with
+libpng 1.4 and libpng 1.5.3.
+
+For Linux distributions this typically requires installation of the
+associated -dev or -devel package.
+
+See Imager::Install for more information.
+
+Imager::File::PNG is currently shipped as part of Imager, but Imager
+may install without installing Imager::File::PNG, so if you need PNG
+support, add a dependency on Imager::File::PNG.