[xref] Fix missing glossary entries for 'string.op!=' and 'reverse.iter.op!='.

Automatically escape ! within these glossary entries.

Author: zygoloid

source/macros.tex

@@ -48,9 +48,17 @@
 }
 \makeatother
 
+%%--------------------------------------------------
+% Escaping for index entries. Replaces ! with "! throughout its argument.
+\def\indexescape#1{\doindexescape#1\stopindexescape!\doneindexescape}
+\def\doindexescape#1!{#1"!\doindexescape}
+\def\stopindexescape#1\doneindexescape{}
+
 %%--------------------------------------------------
 %% Cross references.
-\newcommand{\addxref}[1]{\glossary[xrefindex]{#1}{(\ref{#1})}}
+\newcommand{\addxref}[1]{%
+ \glossary[xrefindex]{\indexescape{#1}}{(\ref{\indexescape{#1}})}%
+}
 
 %%--------------------------------------------------
 %% Sectioning macros.

source/xrefdelta.tex

@@ -1,12 +1,12 @@
 %!TEX root = std.tex
 
-\newcommand{\secref}[1]{\hyperref[#1]{#1}}
+\newcommand{\secref}[1]{\hyperref[\indexescape{#1}]{\indexescape{#1}}}
 
 % Turn off page numbers for this glossary, they're not useful.
 \newcommand{\swallow}[1]{}
 \changeglossnumformat[xrefdelta]{|swallow}
 
-\newcommand{\oldxref}[2]{\glossary[xrefdelta]{#1}{#2}}
+\newcommand{\oldxref}[2]{\glossary[xrefdelta]{\indexescape{#1}}{#2}}
 \newcommand{\removedxref}[1]{\oldxref{#1}{\textit{removed}}}
 \newcommand{\movedxrefs}[2]{\oldxref{#1}{\textit{see} #2}}
 \newcommand{\movedxref}[2]{\movedxrefs{#1}{\secref{#2}}}
@@ -97,7 +97,7 @@
 \movedxref{string::op<=}{string.op<=}
 \movedxref{string::op>}{string.op>}
 \movedxref{string::op>=}{string.op>=}
-\movedxref{string::op"!=}{string.op"!=}
+\movedxref{string::op!=}{string.op!=}
 \movedxref{string::op+}{string.op+}
 \movedxref{string::op+=}{string.op+=}
 \movedxref{string::operator==}{string.operator==}
@@ -112,4 +112,4 @@
 \movedxref{istreambuf.iterator::op++}{istreambuf.iterator.ops}
 \movedxref{istreambuf.iterator::equal}{istreambuf.iterator.ops}
 \movedxref{istreambuf.iterator::op==}{istreambuf.iterator.ops}
-\movedxref{istreambuf.iterator::op"!=}{istreambuf.iterator.ops}
+\movedxref{istreambuf.iterator::op!=}{istreambuf.iterator.ops}