Replaced \1 with \x01 so that "use strict" can be used

15 jobs for attr_conv_hex_sync_attr_codes in 9 minutes and 57 seconds (queued for 15 seconds)
Status Name Job ID Coverage
  Build
passed jsdoor-freebsd #36624
FreeBSD

00:03:53

passed jsdoor-linux #36625
Linux

00:06:55

passed jsdoor-windows #36627
FreeBSD

00:01:53

passed sbbs-freebsd #36619
FreeBSD

00:05:22

passed sbbs-linux #36613
Linux

00:09:49

passed sbbs-windows #36616
Windows

00:05:05

passed sexpots-freebsd #36626
FreeBSD

00:00:12

passed sexpots-linux #36614
Linux

00:00:23

passed sexpots-windows #36617
Windows

00:00:26

passed svdm-windows #36618
Windows

00:00:26

passed syncdraw-freebsd #36622
FreeBSD

00:00:26

passed syncdraw-linux #36623
Linux

00:01:05

passed syncterm-freebsd #36620
FreeBSD

00:00:58

passed syncterm-linux #36615
Linux

00:02:50

passed syncterm-windows #36621
FreeBSD

00:01:45