diff --git a/kalibrierschein/kalibrierschein.cls b/kalibrierschein/kalibrierschein.cls
index 163d238438df037c835a924358f9125ac4e96ed1..6f69c5a9b69ce117064e4ff1bd32ee97c45803b1 100644
--- a/kalibrierschein/kalibrierschein.cls
+++ b/kalibrierschein/kalibrierschein.cls
@@ -6,7 +6,7 @@
 \newcommand*\ks@langs{ngerman,main=english}
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{kalibrierschein}
-  [2015/06/29 v0.1y Dokumentenklasse (RN/PTB)]
+  [2015/07/08 v0.1z Dokumentenklasse (RN/PTB)]
 \DeclareOption{BS}{\def\ks@location{Braunschweig}}
 \DeclareOption{BLN}{\def\ks@location{Berlin}}
 \DeclareOption{KK}{\edef\ks@kalType{\CurrentOption}}
@@ -22,7 +22,7 @@
 \PassOptionsToPackage{paper=a4,pagesize,twoside=false,headinclude}{typearea}
 
 % Wegen bug in fontspec v2.4a
-\RequirePackage{fixltx2e}
+%\RequirePackage{fixltx2e}
 
 \LoadClass[%
 ,fontsize=11pt
@@ -319,7 +319,7 @@
   \edef\ks@tempb{\trim@spaces{#2}}%
   \ks@SI@i
 }
-\newcommand*\ks@SI@i[2][]{
+\newcommand*\ks@SI@i[2][]{%
   \def\ks@tempc{?}%
   \ifx\ks@tempb\ks@tempc
     \ensuremath{\textbf{??}}\,\si[#1]{#2}%
@@ -360,11 +360,12 @@
   %%%,input-uncertainty-signs = +-
   %%%,output-open-uncertainty =
   %%%,output-close-uncertainty =
-  ,separate-uncertainty = true
+  %%,separate-uncertainty = true
   ,bracket-numbers = true
   %,per-mode = symbol
   ,per-mode = reciprocal
   ,mode = text % !!!
+  ,tight-spacing = false
   %%%,inter-unit-product = \ensuremath{{}\cdot{}}
 }%
 %%%}
diff --git a/ptbposter/ptbposter-doc-1.pdf b/ptbposter/ptbposter-doc-1.pdf
index 0da6e733daf822de36a4f44073d2398424a085a2..15342de321aa4215f116f5d8897516386a9ba14a 100644
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diff --git a/ptbposter/ptbposter-doc-2.pdf b/ptbposter/ptbposter-doc-2.pdf
index 4151daa66b0220f8d7750a7c249dd926ded93ca9..bd906995de13823e0723a72dc48e85db620372f1 100644
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