Thin\,a
-Medium\:a
-
-Thick\;a
-
NegThin\negthinspace{}a
NegMed\negmedspace{}a
qquad\qquad{}a
-\subsubsection*{now some math examples:}
-$a\hfill b$
+\subsubsection*{now in math:}
+
+fill: $a\hfill b$
+
+protected fill: $a\hspace*{\fill} b$
+
+2\,cm: $a\hspace*{2cm}b$
+
+protected 2\,cm: $a\hspace{1cm}b$
+
+enskip: $a\enskip b$
+
+enspace: $a\enspace b$
+
+thin: $a\, b$
+
+medium: $a\: b$
+
+thick: $a\; b$
+
+negative thin: $a\negthinspace b$
-$a\hspace*{2cm}b$
+negative medium: $a\negmedspace b$
-$a\hspace{1cm}b$
+negative thick: $a\negthickspace b$
-$a\hspace*{\fill} b$
+quad: $a\quad b$
-$a\enskip b$
+qquad: $a\qquad b$
-$a\enspace b$
+interword: $a\ b$
\subsection{Vertical spaces}