[macros,regex] Pass an argument to the \xref macro

Author: jensmaurer

source/macros.tex

@@ -371,8 +371,8 @@
 \newcommand{\templalias}{\Fundesc{Alias template}}
 
 %% Cross-reference
-\newcommand{\xref}{\textsc{See also:}\space}
-\newcommand{\xrefc}[1]{\xref{} \IsoC{}, #1}
+\newcommand{\xref}[1]{\textsc{See also:}\space #1}
+\newcommand{\xrefc}[1]{\xref{\IsoC{}, #1}}
 \newcommand{\termref}[3]{\textit{#2}{#3}\iref{#1}} % in Clause 3
 
 %% Inline comma-separated parenthesized references

source/regex.tex

@@ -686,23 +686,23 @@
 \tcode{ECMAScript} &
 Specifies that the grammar recognized by the regular expression engine
 shall be that used by ECMAScript in ECMA-262, as modified in~\ref{re.grammar}.
-\newline \xref ECMA-262 15.10
+\newline \xref{ECMA-262 15.10}
 \indextext{ECMAScript}%
 \indexlibrarymember{syntax_option_type}{ECMAScript}%
 \\ \rowsep
 %
 \tcode{basic} &
 Specifies that the grammar recognized by the regular expression engine
 shall be that used by basic regular expressions in POSIX.
-\newline \xref POSIX, Base Definitions and Headers, Section 9.3
+\newline \xref{POSIX, Base Definitions and Headers, Section 9.3}
 \indextext{POSIX!regular expressions}%
 \indexlibrarymember{syntax_option_type}{basic}%
 \\ \rowsep
 %
 \tcode{extended} &
 Specifies that the grammar recognized by the regular expression engine
 shall be that used by extended regular expressions in POSIX.
-\newline \xref POSIX, Base Definitions and Headers, Section 9.4
+\newline \xref{POSIX, Base Definitions and Headers, Section 9.4}
 \indextext{POSIX!extended regular expressions}%
 \indexlibrarymember{syntax_option_type}{extended}%
 \\ \rowsep
@@ -3997,5 +3997,5 @@
 iterator range \range{first}{last} if
 \tcode{traits_inst.isctype(c, traits_inst.lookup_classname(first, last, flags() \& icase))} is \tcode{true}.
 \end{itemize}
-\xref ECMA-262 15.10
+\xref{ECMA-262 15.10}
 \indextext{regular expression|)}