Allow comments in scope (fix typo)

tests/vcd-files/scope_with_comment.vcd

@@ -0,0 +1,296 @@
+$date
+	Sat Dec 26 15:33:14 2020
+$end
+$version
+	ModelSim Version 10.5b
+$end
+$timescale
+	1ns
+$end
+
+$scope module clkdiv2n_tb $end
+$comment foo $end
+$var reg 1 ! clk $end
+$var reg 1 " reset $end
+$var wire 1 # clk_out $end
+
+$scope module t1 $end
+$var parameter 32 $ WIDTH $end
+$var parameter 32 % N $end
+$var wire 1 & clk $end
+$var wire 1 ' reset $end
+$var wire 1 # clk_out $end
+$var reg 3 ( r_reg [2:0] $end
+$var wire 1 ) r_nxt [2] $end
+$var wire 1 * r_nxt [1] $end
+$var wire 1 + r_nxt [0] $end
+$var reg 1 , clk_track $end
+$upscope $end
+$comment foo $end
+$upscope $end
+$comment foo $end
+$enddefinitions $end
+#0
+$comment foo $end
+$dumpvars
+0!
+x"
+bx (
+x,
+b11 $
+b110 %
+x#
+x+
+x*
+x)
+x'
+0&
+$end
+#5
+1"
+1'
+b0 (
+0,
+1+
+0*
+0)
+0#
+#10
+1!
+1&
+#15
+0"
+0'
+#20
+0!
+0&
+#30
+1!
+1&
+b1 (
+0+
+1*
+#40
+0!
+0&
+#50
+1!
+1&
+b10 (
+1+
+#60
+0!
+0&
+#70
+1!
+1&
+b11 (
+0+
+0*
+1)
+#80
+0!
+0&
+#90
+1!
+1&
+b100 (
+1+
+#100
+0!
+0&
+#110
+1!
+1&
+b101 (
+0+
+1*
+#120
+0!
+0&
+#130
+1!
+1&
+b0 (
+1,
+1+
+0*
+0)
+1#
+#140
+0!
+0&
+#150
+1!
+1&
+b1 (
+0+
+1*
+#160
+0!
+0&
+#170
+1!
+1&
+b10 (
+1+
+#180
+0!
+0&
+#190
+1!
+1&
+b11 (
+0+
+0*
+1)
+#200
+0!
+0&
+#210
+1!
+1&
+b100 (
+1+
+#220
+0!
+0&
+#230
+1!
+1&
+b101 (
+0+
+1*
+#240
+0!
+0&
+#250
+1!
+1&
+b0 (
+0,
+1+
+0*
+0)
+0#
+#260
+0!
+0&
+#270
+1!
+1&
+b1 (
+0+
+1*
+#280
+0!
+0&
+#290
+1!
+1&
+b10 (
+1+
+#300
+0!
+0&
+#310
+1!
+1&
+b11 (
+0+
+0*
+1)
+#320
+0!
+0&
+#330
+1!
+1&
+b100 (
+1+
+#340
+0!
+0&
+#350
+1!
+1&
+b101 (
+0+
+1*
+#360
+0!
+0&
+#370
+1!
+1&
+b0 (
+1,
+1+
+0*
+0)
+1#
+#380
+0!
+0&
+#390
+1!
+1&
+b1 (
+0+
+1*
+#400
+0!
+0&
+#410
+1!
+1&
+b10 (
+1+
+#420
+0!
+0&
+#430
+1!
+1&
+b11 (
+0+
+0*
+1)
+#440
+0!
+0&
+#450
+1!
+1&
+b100 (
+1+
+#460
+0!
+0&
+#470
+1!
+1&
+b101 (
+0+
+1*
+#480
+0!
+0&
+#490
+1!
+1&
+b0 (
+0,
+1+
+0*
+0)
+0#
+#500
+0!
+0&
+#510
+1!
+1&
+b1 (
+0+
+1*