How to really configurate docbook on my local language

Dear member,

 

On the headero of my document I have:

 

<book xmlns="http://docbook.org/ns/docbook" version="5.0" xml:lang="es" 
xmlns:xl="http://www.w3.org/1999/xlink">
..
</book>

in order to get the generated document with the spanish label and I get property: Tabla de Contenidos for Table of Contents, Prefacio, etc, nevertheless some other labels are not properly translated, for example:

 

1. Draft: I get the translated word: "Borrador" for the Table of Contents, and Preface part of the book, but for the rest of the document I get: "Draft".

 

2. Chapter 1, Chapter 2, etc. Instead of Cap癃ulo 1, Cap癃ulo 2, etc.

 

3. When I use <xref> for a figure, table or section I get the text in english, for example: Figure 1.1 "The caption" instead of Figura 1.1 "The caption". The same apply for the section, example, etc.

 

Where do I have to configure such information?

 

Thanks in advance,

 

David

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