diff --git a/Doc/Sd1/Ref/Fig/pre.tex b/Doc/Sd1/Ref/Fig/pre.tex
index 73c377e7101dc46546d0a2d08dc6907fe7ae975e..12db7b3e19c52f991daa7162c197d7c8ebf4d43f 100644
--- a/Doc/Sd1/Ref/Fig/pre.tex
+++ b/Doc/Sd1/Ref/Fig/pre.tex
@@ -49,8 +49,9 @@
 \usepackage{xmpmulti}
 \usepackage{pifont}
 \usepackage{listings}
-%\usepackage[utf8]{inputenc}
+\usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
+\DeclareUnicodeCharacter{00A0}{ }
 %\usepackage{textcomp}
 %\usepackage{times}
 
diff --git a/Doc/Sda1/Ref/Fig/pre.tex b/Doc/Sda1/Ref/Fig/pre.tex
index 73c377e7101dc46546d0a2d08dc6907fe7ae975e..12db7b3e19c52f991daa7162c197d7c8ebf4d43f 100644
--- a/Doc/Sda1/Ref/Fig/pre.tex
+++ b/Doc/Sda1/Ref/Fig/pre.tex
@@ -49,8 +49,9 @@
 \usepackage{xmpmulti}
 \usepackage{pifont}
 \usepackage{listings}
-%\usepackage[utf8]{inputenc}
+\usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
+\DeclareUnicodeCharacter{00A0}{ }
 %\usepackage{textcomp}
 %\usepackage{times}
 
diff --git a/Doc/Sda2/Ref/Fig/pre.tex b/Doc/Sda2/Ref/Fig/pre.tex
index 73c377e7101dc46546d0a2d08dc6907fe7ae975e..12db7b3e19c52f991daa7162c197d7c8ebf4d43f 100644
--- a/Doc/Sda2/Ref/Fig/pre.tex
+++ b/Doc/Sda2/Ref/Fig/pre.tex
@@ -49,8 +49,9 @@
 \usepackage{xmpmulti}
 \usepackage{pifont}
 \usepackage{listings}
-%\usepackage[utf8]{inputenc}
+\usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
+\DeclareUnicodeCharacter{00A0}{ }
 %\usepackage{textcomp}
 %\usepackage{times}