gnucash-docs maint: Enhance bookinfos by subtitle and titleabbrev; drop "Help" from manual

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/62327bb2 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/540f0cef (commit)



commit 62327bb26201d51b8158308865cf957635ce8df1
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sat Oct 22 14:55:01 2022 +0200

    Enhance bookinfos by subtitle and titleabbrev;drop "Help" from manual
    
    titleabbrev allows yelp to display the version in its titlebar

diff --git a/guide/C/index.docbook b/guide/C/index.docbook
index c272551b..e4b4ddac 100644
--- a/guide/C/index.docbook
+++ b/guide/C/index.docbook
@@ -22,7 +22,9 @@
 <!-- appropriate code -->
   <bookinfo>
     <title>&app; Tutorial and Concepts Guide</title>
-    <edition>V&manrevision;</edition>
+    <subtitle>The Didactical Documentation</subtitle>
+    <edition>v&manrevision;</edition>
+    <titleabbrev>&appname; Guide &manrevision;</titleabbrev>
     <copyright>
       <year>2009-2022</year> <holder>&appname; Documentation Team</holder>
     </copyright>
@@ -54,14 +56,14 @@
     <copyright>
       <year>2001</year> <holder>Carol Champagne and Chris Lyttle</holder>
     </copyright>
-<!-- translators: uncomment this:
 
+<!-- translators: uncomment this:
   <copyright>
    <year>2000</year>
    <holder>ME-THE-TRANSLATOR (Latin translation)</holder>
   </copyright>
+-->
 
-   -->
     <publisher>
       <publishername>The &appname; Documentation Team</publishername>
 <address>
diff --git a/manual/C/index.docbook b/manual/C/index.docbook
index 8a25ba99..db464aa4 100644
--- a/manual/C/index.docbook
+++ b/manual/C/index.docbook
@@ -14,19 +14,21 @@
 <!-- please do not change the id; for translations, change lang to -->
 <!-- appropriate code -->
   <bookinfo>
-    <title>&app; Help Manual</title>
+    <title>&appname; Manual</title>
+    <subtitle>The Technical Reference</subtitle>
     <edition>v&manrevision;</edition>
+    <titleabbrev>&appname; Manual &manrevision;</titleabbrev>
     <copyright>
       <year>2002-2022</year> <holder>&appname; Documentation Team</holder>
     </copyright>
-<!-- translators: uncomment this:
 
+<!-- translators: uncomment this:
    <copyright>
       <year>2000</year>
       <holder>ME-THE-TRANSLATOR (Latin translation)</holder>
    </copyright>
+-->
 
-  -->
     <publisher>
       <publishername>&appname; Documentation Team</publishername>
 <address><email>gnucash-user at gnucash.org</email></address>



Summary of changes:
 guide/C/index.docbook  | 8 +++++---
 manual/C/index.docbook | 8 +++++---
 2 files changed, 10 insertions(+), 6 deletions(-)