Remove unwanted spaces after /unspecified/ in library synopses.

Author: zygoloid

source/macros.tex

@@ -204,7 +204,7 @@
 \newcommand{\notdef}{\EXPO{not defined}}
 
 \newcommand{\UNSP}[1]{\textit{\texttt{#1}}}
-\newcommand{\unspec}{\UNSP{unspecified}\xspace}
+\newcommand{\unspec}{\UNSP{unspecified}}
 \newlength{\unspecwidth}
 \newcommand{\unspecaligned}{%
 \settowidth{\unspecwidth}{xxunspecalignedx}%