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+DESCRIPTION
+
+This file describes what to expect in a flex CVS snapshot.
+
+
+WHO SHOULD READ THIS DOCUMENT
+
+Flex developers should read this document. If you are simply installing flex,
+you do not need to read this document (instead, read INSTALL).
+
+
+NOTE
+
+A CVS snapshot of flex is NOT the same thing as a distribution of flex. A CVS
+snapshot is used in the development of flex, while a "distribution" is used to
+build and install flex.
+
+
+REQUIREMENTS
+
+You will need various external tools in order to build the distribution. Here is
+a (possibly incomplete) list of the required tools. Always get the latest
+version of each tool:
+
+    compiler suite    ;  e.g., gcc
+    bash              ;  required by autotools (I think!)
+    GNU bison         ;  to generate parse.c
+    GNU autotools     ;  autoconf, automake, autogen
+    GNU m4            ;  required by autotools
+    flex              ;  for bootstrap of scan.l
+    tar/gzip          ;  to build the distro
+    texinfo tools     ;  to build and test the flex manual
+    perl              ;  not essential. this may be removed in the future
+