[macros] Replace \xspace with \space in library description macros

Author: jensmaurer

source/macros.tex

@@ -211,7 +211,7 @@
 
 %% Library function descriptions
 \newcommand{\Fundescx}[1]{\textit{#1}}
-\newcommand{\Fundesc}[1]{\Fundescx{#1:}\xspace}
+\newcommand{\Fundesc}[1]{\Fundescx{#1:}\space}
 \newcommand{\required}{\Fundesc{Required behavior}}
 \newcommand{\requires}{\Fundesc{Requires}}
 \newcommand{\effects}{\Fundesc{Effects}}
@@ -234,7 +234,7 @@
 \newcommand{\templalias}{\Fundesc{Alias template}}
 
 %% Cross reference
-\newcommand{\xref}{\textsc{See also:}\xspace}
+\newcommand{\xref}{\textsc{See also:}\space}
 
 %% NTBS, etc.
 \newcommand{\NTS}[1]{\textsc{#1}}