Another usage cleanup from kent robotti
diff --git a/usage.h b/usage.h
index a3702a0..90d3e29 100644
--- a/usage.h
+++ b/usage.h
@@ -237,14 +237,16 @@
"\tARG1 * ARG2 arithmetic product of ARG1 and ARG2\n" \
"\tARG1 / ARG2 arithmetic quotient of ARG1 divided by ARG2\n" \
"\tARG1 % ARG2 arithmetic remainder of ARG1 divided by ARG2\n" \
- "\tSTRING : REGEXP anchored pattern match of REGEXP in STRING\n" \
- "\tmatch STRING REGEXP same as STRING : REGEXP\n" \
- "\tsubstr STRING POS LENGTH substring of STRING, POS counted from 1\n" \
- "\tindex STRING CHARS index in STRING where any CHARS is found, or 0\n" \
- "\tlength STRING length of STRING\n" \
- "\tquote TOKEN interpret TOKEN as a string, even if it is a \n" \
- "\t keyword like `match' or an operator like `/'\n" \
- "\t( EXPRESSION ) value of EXPRESSION\n\n" \
+ "\tSTRING : REGEXP anchored pattern match of REGEXP in STRING\n" \
+ "\tmatch STRING REGEXP same as STRING : REGEXP\n" \
+ "\tsubstr STRING POS LENGTH substring of STRING, POS counted from 1\n" \
+ "\tindex STRING CHARS index in STRING where any CHARS is found,\n" \
+ "\t or 0\n" \
+ "\tlength STRING length of STRING\n" \
+ "\tquote TOKEN interpret TOKEN as a string, even if\n" \
+ "\t it is a keyword like `match' or an\n" \
+ "\t operator like `/'\n" \
+ "\t( EXPRESSION ) value of EXPRESSION\n\n" \
"Beware that many operators need to be escaped or quoted for shells.\n" \
"Comparisons are arithmetic if both ARGs are numbers, else\n" \
"lexicographical. Pattern matches return the string matched between \n" \