Document 4.13.1 in CHANGES.
https://github.com/jimjag/dmake/commit/ebaca63cdd15af122b2ffce9899e36ce72edb20b
--- CHANGES.md.orig
+++ CHANGES.md
@@ -1,10 +1,16 @@
 Changes in DMAKE
 ================
 
+Version 4.13.1
+--------------
+
+Restore old cygwin_conv_to_posix_path() logic but use cygwin_conv_path() instead
+
 Version 4.13.0
 --------------
 
 More updates to support macOS 10.15 (and above)
+
 Pull in various fixes
 
 Version 4.12.4

Fix version in README.
https://github.com/jimjag/dmake/commit/642c8bf35467740c6be726a8227918528c1ce35c
--- README.md.orig
+++ README.md
@@ -1,4 +1,4 @@
-This is DMAKE version 4.13.0.
+This is DMAKE version 4.13.1.
 ============================
 
 

Fix version in configure.
https://github.com/jimjag/dmake/issues/5
--- configure.orig
+++ configure
@@ -577,8 +577,8 @@
 # Identity of this package.
 PACKAGE_NAME='dmake'
 PACKAGE_TARNAME='dmake'
-PACKAGE_VERSION='4.13.0'
-PACKAGE_STRING='dmake 4.13.0'
+PACKAGE_VERSION='4.13.1'
+PACKAGE_STRING='dmake 4.13.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -2955,7 +2955,7 @@
 
 # Define the identity of the package.
  PACKAGE='dmake'
- VERSION='4.13.0'
+ VERSION='4.13.1'
 
 
 cat >>confdefs.h <<_ACEOF
