changed es/Leame.1st
upgraded the list of files on translation and revision.

added a term (builtin) to the glossary

changed es/concepts.tex
file added to define labels needed by other tex files

changed es/preface.tex
killed a TODO

changed es/tour-basic.tex
I have began the translation of this file. 34% completed, according to vim

changed es/undo.tex
file added to define labels needed by other tex files

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/es/examples/mq.dodiff	Sun Oct 19 19:56:21 2008 -0500
     1.3 @@ -0,0 +1,14 @@
     1.4 +#!/bin/bash
     1.5 +
     1.6 +#$ name: diff
     1.7 +
     1.8 +echo 'this is my original thought' > oldfile
     1.9 +echo 'i have changed my mind' > newfile
    1.10 +
    1.11 +diff -u oldfile newfile > tiny.patch
    1.12 +
    1.13 +cat tiny.patch
    1.14 +
    1.15 +patch < tiny.patch
    1.16 +
    1.17 +cat oldfile