unposted: Update for release 5.5.1.

ChangeLog

@@ -1,3 +1,8 @@
+2018-04-16  Peter Stephenson  <p.w.stephenson@ntlworld.com>
+
+	* unposted: NEWS, README, Config/version.mk, Etc/FAQ.yo: update
+	to release 5.5.1.
+
 2018-04-16  Oliver Kiddle  <okiddle@yahoo.co.uk>
 
 	* 42659: Completion/Unix/Command/_git, Completion/Unix/Command/_sed,

Config/version.mk

@@ -27,5 +27,5 @@
 # This must also serve as a shell script, so do not add spaces around the
 # `=' signs.
 
-VERSION=5.5-dev-0
-VERSION_DATE='April 10, 2018'
+VERSION=5.5.1
+VERSION_DATE='April 16, 2018'

Etc/FAQ.yo

@@ -306,7 +306,7 @@ sect(On what machines will it run?)
 
 sect(What's the latest version?)
 
-  Zsh 5.5 is the latest production version.  For details of all the
+  Zsh 5.5.1 is the latest production version.  For details of all the
   changes, see the NEWS file in the source distribution.
 
   A beta of the next version is sometimes available.  Development of zsh is

NEWS

@@ -4,6 +4,12 @@ CHANGES FROM PREVIOUS VERSIONS OF ZSH
 
 Note also the list of incompatibilities in the README file.
 
+Changes from %.5 to 5.5.1
+-------------------------
+
+Apart from a fix for a configuration problem finding singal names from
+(some) recent versions of glibc, there are only minor changes.
+
 Changes from 5.4.2 to 5.5
 -------------------------
 

README

@@ -5,9 +5,10 @@ THE Z SHELL (ZSH)
 Version
 -------
 
-This is version 5.5 of the shell.  This is a stable release.  There
+This is version 5.5.1 of the shell.  This is a stable release.  There
 are some significant bug fixes and a few user visible additions since
-5.4.2.  All zsh installations are encouraged to upgrade.
+5.4.2 and minor fixes since 5.5.  All zsh installations are encouraged
+to upgrade.
 
 Note in particular the changes highlighted under "Incompatibilities since
 5.4.2" below.  See NEWS for more information.