Merge alpha100 branch back to main trunk
diff --git a/Doc/ref/ref1.tex b/Doc/ref/ref1.tex
index b373e36..169c244 100644
--- a/Doc/ref/ref1.tex
+++ b/Doc/ref/ref1.tex
@@ -43,22 +43,22 @@
 lc_letter:      "a"..."z"
 \end{verbatim}
 
-The first line says that a \verb\name\ is an \verb\lc_letter\ followed by
-a sequence of zero or more \verb\lc_letter\s and underscores.  An
-\verb\lc_letter\ in turn is any of the single characters `a' through `z'.
+The first line says that a \verb@name@ is an \verb@lc_letter@ followed by
+a sequence of zero or more \verb@lc_letter@s and underscores.  An
+\verb@lc_letter@ in turn is any of the single characters `a' through `z'.
 (This rule is actually adhered to for the names defined in lexical and
 grammar rules in this document.)
 
 Each rule begins with a name (which is the name defined by the rule)
-and a colon.  A vertical bar (\verb\|\) is used to separate
+and a colon.  A vertical bar (\verb@|@) is used to separate
 alternatives; it is the least binding operator in this notation.  A
-star (\verb\*\) means zero or more repetitions of the preceding item;
-likewise, a plus (\verb\+\) means one or more repetitions, and a
-phrase enclosed in square brackets (\verb\[ ]\) means zero or one
+star (\verb@*@) means zero or more repetitions of the preceding item;
+likewise, a plus (\verb@+@) means one or more repetitions, and a
+phrase enclosed in square brackets (\verb@[ ]@) means zero or one
 occurrences (in other words, the enclosed phrase is optional).  The
-\verb\*\ and \verb\+\ operators bind as tightly as possible;
+\verb@*@ and \verb@+@ operators bind as tightly as possible;
 parentheses are used for grouping.  Literal strings are enclosed in
-double quotes.  White space is only meaningful to separate tokens.
+quotes.  White space is only meaningful to separate tokens.
 Rules are normally contained on a single line; rules with many
 alternatives may be formatted alternatively with each line after the
 first beginning with a vertical bar.
@@ -66,7 +66,7 @@
 In lexical definitions (as the example above), two more conventions
 are used: Two literal characters separated by three dots mean a choice
 of any single character in the given (inclusive) range of ASCII
-characters.  A phrase between angular brackets (\verb\<...>\) gives an
+characters.  A phrase between angular brackets (\verb@<...>@) gives an
 informal description of the symbol defined; e.g. this could be used
 to describe the notion of `control character' if needed.
 \index{lexical definitions}