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-rw-r--r--lib/js/urweb.js7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js
index c3cab50a..76a900f7 100644
--- a/lib/js/urweb.js
+++ b/lib/js/urweb.js
@@ -1212,6 +1212,13 @@ function sidx(s, ch) {
else
return r;
}
+function ssidx(h, n) {
+ var r = h.indexOf(n);
+ if (r == -1)
+ return null;
+ else
+ return r;
+}
function sspn(s, chs) {
for (var i = 0; i < s.length; ++i)
if (chs.indexOf(s.charAt(i)) != -1)