diff --git a/runtime/syntax/testdir/dumps/ksh2020_00.dump b/runtime/syntax/testdir/dumps/ksh2020_00.dump
new file mode 100644
index 0000000..6f7e69e
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_01.dump b/runtime/syntax/testdir/dumps/ksh2020_01.dump
new file mode 100644
index 0000000..1490d8b
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_02.dump b/runtime/syntax/testdir/dumps/ksh2020_02.dump
new file mode 100644
index 0000000..d8825d3
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh2020_02.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_03.dump b/runtime/syntax/testdir/dumps/ksh2020_03.dump
new file mode 100644
index 0000000..f166483
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_04.dump b/runtime/syntax/testdir/dumps/ksh2020_04.dump
new file mode 100644
index 0000000..4dd849b
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_05.dump b/runtime/syntax/testdir/dumps/ksh2020_05.dump
new file mode 100644
index 0000000..ba9f354
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+++ b/runtime/syntax/testdir/dumps/ksh2020_05.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/ksh2020_06.dump
similarity index 64%
copy from runtime/syntax/testdir/dumps/sh_10_00.dump
copy to runtime/syntax/testdir/dumps/ksh2020_06.dump
index b0c98ea..65bd846 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/ksh2020_06.dump
@@ -1,11 +1,9 @@
->#+0#0000e05#ffffff0|!|/|b|i|n|/|k|s|h| +0#0000000&@64
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_07.dump b/runtime/syntax/testdir/dumps/ksh2020_07.dump
new file mode 100644
index 0000000..f4c2f4d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh2020_07.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_08.dump b/runtime/syntax/testdir/dumps/ksh2020_08.dump
new file mode 100644
index 0000000..cdb01e1
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh2020_08.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh2020_09.dump b/runtime/syntax/testdir/dumps/ksh2020_09.dump
new file mode 100644
index 0000000..98e266c
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diff --git a/runtime/syntax/testdir/dumps/ksh88_00.dump b/runtime/syntax/testdir/dumps/ksh88_00.dump
new file mode 100644
index 0000000..ad36df0
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/ksh88_01.dump b/runtime/syntax/testdir/dumps/ksh88_01.dump
new file mode 100644
index 0000000..2691a5a
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diff --git a/runtime/syntax/testdir/dumps/ksh88_02.dump b/runtime/syntax/testdir/dumps/ksh88_02.dump
new file mode 100644
index 0000000..d8825d3
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diff --git a/runtime/syntax/testdir/dumps/ksh88_03.dump b/runtime/syntax/testdir/dumps/ksh88_03.dump
new file mode 100644
index 0000000..f166483
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diff --git a/runtime/syntax/testdir/dumps/ksh88_04.dump b/runtime/syntax/testdir/dumps/ksh88_04.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh88_05.dump b/runtime/syntax/testdir/dumps/ksh88_05.dump
new file mode 100644
index 0000000..95bea14
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diff --git a/runtime/syntax/testdir/dumps/ksh88_06.dump b/runtime/syntax/testdir/dumps/ksh88_06.dump
new file mode 100644
index 0000000..efb5199
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh88_08.dump b/runtime/syntax/testdir/dumps/ksh88_08.dump
new file mode 100644
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_00.dump b/runtime/syntax/testdir/dumps/ksh93_generic_00.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_01.dump b/runtime/syntax/testdir/dumps/ksh93_generic_01.dump
new file mode 100644
index 0000000..53c0db0
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_01.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_02.dump b/runtime/syntax/testdir/dumps/ksh93_generic_02.dump
new file mode 100644
index 0000000..d8825d3
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_02.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_03.dump b/runtime/syntax/testdir/dumps/ksh93_generic_03.dump
new file mode 100644
index 0000000..f166483
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_04.dump b/runtime/syntax/testdir/dumps/ksh93_generic_04.dump
new file mode 100644
index 0000000..8ac496a
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_05.dump b/runtime/syntax/testdir/dumps/ksh93_generic_05.dump
new file mode 100644
index 0000000..4f4d4c8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_05.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/ksh93_generic_06.dump
similarity index 64%
rename from runtime/syntax/testdir/dumps/sh_10_00.dump
rename to runtime/syntax/testdir/dumps/ksh93_generic_06.dump
index b0c98ea..31f0b12 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_06.dump
@@ -1,11 +1,9 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_07.dump b/runtime/syntax/testdir/dumps/ksh93_generic_07.dump
new file mode 100644
index 0000000..f4c2f4d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_07.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_08.dump b/runtime/syntax/testdir/dumps/ksh93_generic_08.dump
new file mode 100644
index 0000000..057e10d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_08.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93_generic_09.dump b/runtime/syntax/testdir/dumps/ksh93_generic_09.dump
new file mode 100644
index 0000000..c457cc0
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93_generic_09.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93u_00.dump b/runtime/syntax/testdir/dumps/ksh93u_00.dump
new file mode 100644
index 0000000..47b1b69
--- /dev/null
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new file mode 100644
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93u_03.dump b/runtime/syntax/testdir/dumps/ksh93u_03.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/ksh93u_06.dump
similarity index 64%
copy from runtime/syntax/testdir/dumps/sh_10_00.dump
copy to runtime/syntax/testdir/dumps/ksh93u_06.dump
index b0c98ea..65bd846 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/ksh93u_06.dump
@@ -1,11 +1,9 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh93u_07.dump b/runtime/syntax/testdir/dumps/ksh93u_07.dump
new file mode 100644
index 0000000..f4c2f4d
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diff --git a/runtime/syntax/testdir/dumps/ksh93u_08.dump b/runtime/syntax/testdir/dumps/ksh93u_08.dump
new file mode 100644
index 0000000..604607f
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_00.dump b/runtime/syntax/testdir/dumps/ksh93v_00.dump
new file mode 100644
index 0000000..6c562c0
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_01.dump b/runtime/syntax/testdir/dumps/ksh93v_01.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_02.dump b/runtime/syntax/testdir/dumps/ksh93v_02.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_03.dump b/runtime/syntax/testdir/dumps/ksh93v_03.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_04.dump b/runtime/syntax/testdir/dumps/ksh93v_04.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_05.dump b/runtime/syntax/testdir/dumps/ksh93v_05.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/ksh93v_06.dump
similarity index 64%
copy from runtime/syntax/testdir/dumps/sh_10_00.dump
copy to runtime/syntax/testdir/dumps/ksh93v_06.dump
index b0c98ea..65bd846 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/ksh93v_06.dump
@@ -1,11 +1,9 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_07.dump b/runtime/syntax/testdir/dumps/ksh93v_07.dump
new file mode 100644
index 0000000..f4c2f4d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93v_07.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_08.dump b/runtime/syntax/testdir/dumps/ksh93v_08.dump
new file mode 100644
index 0000000..cdb01e1
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh93v_08.dump
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diff --git a/runtime/syntax/testdir/dumps/ksh93v_09.dump b/runtime/syntax/testdir/dumps/ksh93v_09.dump
new file mode 100644
index 0000000..6d21a09
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_00.dump b/runtime/syntax/testdir/dumps/ksh_generic_00.dump
new file mode 100644
index 0000000..0ce212f
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_01.dump b/runtime/syntax/testdir/dumps/ksh_generic_01.dump
new file mode 100644
index 0000000..53c0db0
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_02.dump b/runtime/syntax/testdir/dumps/ksh_generic_02.dump
new file mode 100644
index 0000000..d8825d3
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_03.dump b/runtime/syntax/testdir/dumps/ksh_generic_03.dump
new file mode 100644
index 0000000..f166483
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_04.dump b/runtime/syntax/testdir/dumps/ksh_generic_04.dump
new file mode 100644
index 0000000..8ac496a
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_05.dump b/runtime/syntax/testdir/dumps/ksh_generic_05.dump
new file mode 100644
index 0000000..4f4d4c8
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/ksh_generic_06.dump
similarity index 64%
copy from runtime/syntax/testdir/dumps/sh_10_00.dump
copy to runtime/syntax/testdir/dumps/ksh_generic_06.dump
index b0c98ea..31f0b12 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/ksh_generic_06.dump
@@ -1,11 +1,9 @@
->#+0#0000e05#ffffff0|!|/|b|i|n|/|k|s|h| +0#0000000&@64
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_07.dump b/runtime/syntax/testdir/dumps/ksh_generic_07.dump
new file mode 100644
index 0000000..3219c17
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh_generic_07.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_08.dump b/runtime/syntax/testdir/dumps/ksh_generic_08.dump
new file mode 100644
index 0000000..b507e1d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/ksh_generic_08.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/ksh_generic_09.dump b/runtime/syntax/testdir/dumps/ksh_generic_09.dump
new file mode 100644
index 0000000..69664b7
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/mksh_00.dump b/runtime/syntax/testdir/dumps/mksh_00.dump
new file mode 100644
index 0000000..fcf4c10
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_00.dump
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diff --git a/runtime/syntax/testdir/dumps/mksh_01.dump b/runtime/syntax/testdir/dumps/mksh_01.dump
new file mode 100644
index 0000000..44f1ef1
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+++ b/runtime/syntax/testdir/dumps/mksh_01.dump
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diff --git a/runtime/syntax/testdir/dumps/mksh_02.dump b/runtime/syntax/testdir/dumps/mksh_02.dump
new file mode 100644
index 0000000..d8825d3
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_02.dump
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diff --git a/runtime/syntax/testdir/dumps/mksh_03.dump b/runtime/syntax/testdir/dumps/mksh_03.dump
new file mode 100644
index 0000000..f166483
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+++ b/runtime/syntax/testdir/dumps/mksh_03.dump
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diff --git a/runtime/syntax/testdir/dumps/mksh_04.dump b/runtime/syntax/testdir/dumps/mksh_04.dump
new file mode 100644
index 0000000..4dd849b
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diff --git a/runtime/syntax/testdir/dumps/mksh_05.dump b/runtime/syntax/testdir/dumps/mksh_05.dump
new file mode 100644
index 0000000..13afdbb
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_05.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_10_00.dump b/runtime/syntax/testdir/dumps/mksh_06.dump
similarity index 63%
copy from runtime/syntax/testdir/dumps/sh_10_00.dump
copy to runtime/syntax/testdir/dumps/mksh_06.dump
index b0c98ea..d6532e8 100644
--- a/runtime/syntax/testdir/dumps/sh_10_00.dump
+++ b/runtime/syntax/testdir/dumps/mksh_06.dump
@@ -1,11 +1,9 @@
->#+0#0000e05#ffffff0|!|/|b|i|n|/|k|s|h| +0#0000000&@64
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diff --git a/runtime/syntax/testdir/dumps/mksh_07.dump b/runtime/syntax/testdir/dumps/mksh_07.dump
new file mode 100644
index 0000000..3219c17
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_07.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/mksh_08.dump b/runtime/syntax/testdir/dumps/mksh_08.dump
new file mode 100644
index 0000000..8f629e6
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_08.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/mksh_09.dump b/runtime/syntax/testdir/dumps/mksh_09.dump
new file mode 100644
index 0000000..1479af7
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/mksh_09.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_02_01.dump b/runtime/syntax/testdir/dumps/sh_02_01.dump
index 2c09615..e4fb549 100644
--- a/runtime/syntax/testdir/dumps/sh_02_01.dump
+++ b/runtime/syntax/testdir/dumps/sh_02_01.dump
@@ -5,7 +5,7 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_05_00.dump b/runtime/syntax/testdir/dumps/sh_05_00.dump
index 73164f0..df5c3e5 100644
--- a/runtime/syntax/testdir/dumps/sh_05_00.dump
+++ b/runtime/syntax/testdir/dumps/sh_05_00.dump
@@ -6,7 +6,7 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_05_01.dump b/runtime/syntax/testdir/dumps/sh_05_01.dump
index 8350053..6b1c14f 100644
--- a/runtime/syntax/testdir/dumps/sh_05_01.dump
+++ b/runtime/syntax/testdir/dumps/sh_05_01.dump
@@ -15,6 +15,6 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_05_02.dump b/runtime/syntax/testdir/dumps/sh_05_02.dump
index afcdd6f..1de6737 100644
--- a/runtime/syntax/testdir/dumps/sh_05_02.dump
+++ b/runtime/syntax/testdir/dumps/sh_05_02.dump
@@ -1,5 +1,5 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_06_00.dump b/runtime/syntax/testdir/dumps/sh_06_00.dump
index c037b75..5003c31 100644
--- a/runtime/syntax/testdir/dumps/sh_06_00.dump
+++ b/runtime/syntax/testdir/dumps/sh_06_00.dump
@@ -4,7 +4,7 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_08_00.dump b/runtime/syntax/testdir/dumps/sh_08_00.dump
index 9be018a..7334018 100644
--- a/runtime/syntax/testdir/dumps/sh_08_00.dump
+++ b/runtime/syntax/testdir/dumps/sh_08_00.dump
@@ -8,13 +8,13 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_08_01.dump b/runtime/syntax/testdir/dumps/sh_08_01.dump
index 45758cc..40309b9 100644
--- a/runtime/syntax/testdir/dumps/sh_08_01.dump
+++ b/runtime/syntax/testdir/dumps/sh_08_01.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_08_02.dump b/runtime/syntax/testdir/dumps/sh_08_02.dump
index b57af0b..ec9470d 100644
--- a/runtime/syntax/testdir/dumps/sh_08_02.dump
+++ b/runtime/syntax/testdir/dumps/sh_08_02.dump
@@ -2,7 +2,7 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_08_03.dump b/runtime/syntax/testdir/dumps/sh_08_03.dump
index 5426188..ef07998 100644
--- a/runtime/syntax/testdir/dumps/sh_08_03.dump
+++ b/runtime/syntax/testdir/dumps/sh_08_03.dump
@@ -1,6 +1,6 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_09_00.dump b/runtime/syntax/testdir/dumps/sh_09_00.dump
index 8a51f39..58ab202 100644
--- a/runtime/syntax/testdir/dumps/sh_09_00.dump
+++ b/runtime/syntax/testdir/dumps/sh_09_00.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_10_01.dump b/runtime/syntax/testdir/dumps/sh_10_01.dump
deleted file mode 100644
index c1d3531..0000000
--- a/runtime/syntax/testdir/dumps/sh_10_01.dump
+++ /dev/null
@@ -1,20 +0,0 @@
-|p+0#af5f00255#ffffff0|r|i|n|t| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|f+0#e000002&|o|u|r|'+0#af5f00255&|;| +0#e000e06&|}| +0#0000000&@51
-|p+0#af5f00255&|r|i|n|t| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|f+0#e000002&|i|v|e|'+0#af5f00255&| +0#e000002&|;+0#e000e06&|}| +0#0000000&@51
-|p+0#af5f00255&|r|i|n|t| +0#e000002&|$+0#e000e06&|{| |e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|s+0#e000002&|i|x|'+0#af5f00255&| +0#0000000&@55
-|}+0#e000e06&| +0#0000000&@73
-|p+0#af5f00255&|r|i|n|t| +0#e000002&|$+0#e000e06&|{| @7|e+0#af5f00255&|c|h|o| +0#e000002&|'+0#af5f00255&|s+0#e000002&|e|v|e|n|'+0#af5f00255&| +0#e000e06&@3|}| +0#0000000&@41
->e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| |p+0#af5f00255&|r|i|n|t| +0#e000002&|'+0#af5f00255&|e+0#e000002&|i|g|h|t|'+0#af5f00255&| +0#e000e06&@2|}| +0#0000000&@49
-|t+0#af5f00255&|y|p|e|s|e|t| +0#0000000&|n+0#00e0e07&|i|n|e|=+0#0000000&|$+0#e000e06&|{| |p+0#af5f00255&|w|d|;| +0#e000e06&|}| +0#0000000&@52
-@75
-|#+0#0000e05&| |=@5| +0#0000000&@66
-|#+0#0000e05&| |V|a|l|u|e| |s|u|b|s|t|i|t|u|t|i|o|n|s| |o|f| |t|h|e| |f|o|r|m| |$|{|||c|o|m@1|a|n|d|}| |a|r|e| |o|n|l|y| +0#0000000&@20
-|#+0#0000e05&| |s|u|p@1|o|r|t|e|d| |b|y| |m|k|s|h|,| |n|o|t| |k|s|h|9|3|.| +0#0000000&@43
-|i+0#af5f00255&|f| |!| +0#0000000&|c+0#af5f00255&|o|m@1|a|n|d| +0#0000000&|e+0#af5f00255&|v|a|l| +0#0000000&|'+0#af5f00255&|(+0#e000002&@1|.|s|h|.|v|e|r|s|i|o|n| |>|=| |2|0@1|7|0|7|0|3|)@1|'+0#af5f00255&| +0#0000000&|2+0#e000002&|>+0#af5f00255&|/+0#0000000&|d|e|v|/|n|u|l@1|;+0#af5f00255&| +0#0000000&|t+0#af5f00255&|h|e|n| +0#0000000&@9
-| +0#00e0e07&@7|v|a|l|s|u|b|f|u|n|c|(|)| |{| +0#0000000&@52
-@16|R+0#e000e06&|E|P|L|Y|=+0#af5f00255&|$+0#e000e06&|1| +0#0000000&@50
-@8|}+0#00e0e07&| +0#0000000&@65
-@8|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|e|n|}| +0#0000000&@43
-@8|p+0#af5f00255&|r|i|n|t| +0#e000002&|"+0#af5f00255&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |e|l|e|v|e|n|;+0#af5f00255&|}+0#e000e06&|"+0#af5f00255&| +0#0000000&@36
-@8|p+0#af5f00255&|r|i|n|t|f| +0#0000000&|'+0#af5f00255&|%+0#e000002&|s|'+0#af5f00255&| +0#0000000&|"+0#af5f00255&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|w|e|l|v|e| @6|}|"+0#af5f00255&| +0#0000000&@24
-@8|u+0#00e0e07&|n|l|u|c|k|y|=+0#0000000&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|h|i|r|t|e@1|n| +0#0000000&@36
-@57|1|9|,|1| @9|4|3|%| 
diff --git a/runtime/syntax/testdir/dumps/sh_10_02.dump b/runtime/syntax/testdir/dumps/sh_10_02.dump
deleted file mode 100644
index e03c3f8..0000000
--- a/runtime/syntax/testdir/dumps/sh_10_02.dump
+++ /dev/null
@@ -1,20 +0,0 @@
-| +0&#ffffff0@7|u+0#00e0e07&|n|l|u|c|k|y|=+0#0000000&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |t|h|i|r|t|e@1|n| +0#0000000&@36
-|}+0#e000e06&| +0#0000000&@73
-@8|t+0#af5f00255&|y|p|e|s|e|t| +0#0000000&|n+0#00e0e07&|o|t|a|f|l|o|a|t|=+0#0000000&|$+0#e000e06&|{|||v|a|l|s|u|b|f|u|n|c| |n|o|t|a|n|u|m|b|e|r| @5|}| +0#0000000&@17
-@8|p+0#af5f00255&|r|i|n|t| +0#e000002&|$+0#e000e06&|u|n|l|u|c|k|y| +0#e000002&|$+0#e000e06&|n|o|t|a|n|u|m|b|e|r| +0#0000000&@40
-@8|$+0#e000e06&|{|||e+0#af5f00255&|c|h|o| +0#e000002&|f|o@1|}+0#e000e06&| +0#0000000&@54
-@8>$+0#e000e06&|{|||e+0#af5f00255&|c|h|o| +0#e000002&|b|a|r| +0#0000000&@55
-|}+0#e000e06&| +0#0000000&@73
-|f+0#af5f00255&|i| +0#0000000&@72
-@75
-|#+0#0000e05&| |=@5| +0#0000000&@66
-|#+0#0000e05&| |S|h|a|r|e|d|-|s|t|a|t|e| |c|o|m@1|a|n|d| |s|u|b|s|t|i|t|u|t|i|o|n|s| |u|s|i|n|g| |t|h|e| |s|y|n|t|a|x| |$|{|<|f|i|l|e|;|}| +0#0000000&@11
-|#+0#0000e05&| |a|r|e| |o|n|l|y| |s|u|p@1|o|r|t|e|d| |b|y| |k|s|h|9|3|,| |n|o|t| |m|k|s|h|.| +0#0000000&@34
-|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{| +0#0000000&@67
-| +0#e000e06&@7|p+0#af5f00255&|r|i|n|t|f| +0#e000e06&|%|s| |s|t|r| +0#0000000&@53
-|}+0#e000e06&| +0#e000002&|>+0#af5f00255&| +0#0000000&|/|t|m|p|/|s|t|r|f|i|l|e| @58
-|e+0#af5f00255&|c|h|o| +0#e000002&|$+0#e000e06&|{|<+0#af5f00255&|/+0#e000e06&|t|m|p|/|s|t|r|f|i|l|e|;|}| +0#0000000&@52
-@75
-|e+0#af5f00255&|x|i|t| +0#0000000&|0+0#e000002&| +0#0000000&@68
-|~+0#4040ff13&| @73
-| +0#0000000&@56|3|7|,|2|-|9| @7|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/sh_bash_sundrous_00.dump b/runtime/syntax/testdir/dumps/sh_bash_sundrous_00.dump
new file mode 100644
index 0000000..dcfb57c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_bash_sundrous_00.dump
@@ -0,0 +1,20 @@
+>#+0#0000e05#ffffff0|!|/|b|i|n|/|b|a|s|h| +0#0000000&@63
+|b+0#af5f00255&|a|s|e|n|a|m|e| +0#0000000&@66
+|c+0#af5f00255&|a|t| +0#0000000&@71
+|c+0#af5f00255&|h|g|r|p| +0#0000000&@69
+|c+0#af5f00255&|h|m|o|d| +0#0000000&@69
+|c+0#af5f00255&|h|o|w|n| +0#0000000&@69
+|c+0#af5f00255&|k|s|u|m| +0#0000000&@69
+|c+0#af5f00255&|m|p| +0#0000000&@71
+|c+0#af5f00255&|o|m@1| +0#0000000&@70
+|c+0#af5f00255&|p| +0#0000000&@72
+|c+0#af5f00255&|u|t| +0#0000000&@71
+|d+0#af5f00255&|a|t|e| +0#0000000&@70
+|d+0#af5f00255&|i|r|n|a|m|e| +0#0000000&@67
+|e+0#af5f00255&|g|r|e|p| +0#0000000&@10|#+0#0000e05&| |O|b|s|o|l|e|s|c|e|n|t| +0#0000000&@45
+|e+0#af5f00255&|x|p|r| +0#0000000&@70
+|f+0#af5f00255&|g|r|e|p| +0#0000000&@10|#+0#0000e05&| |O|b|s|o|l|e|s|c|e|n|t| +0#0000000&@45
+|f+0#af5f00255&|m|t| +0#0000000&@71
+|f+0#af5f00255&|o|l|d| +0#0000000&@70
+|g+0#af5f00255&|e|t|c|o|n|f| +0#0000000&@67
+|i|s|_|b|a|s|h|:| |1|,| @45|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/sh_bash_sundrous_01.dump b/runtime/syntax/testdir/dumps/sh_bash_sundrous_01.dump
new file mode 100644
index 0000000..ad3449d
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_bash_sundrous_01.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|g|r|e|p| +0#0000000&@10|#+0#0000e05&| |O|b|s|o|l|e|s|c|e|n|t| +0#0000000&@45
+|e+0#af5f00255&|x|p|r| +0#0000000&@70
+|f+0#af5f00255&|g|r|e|p| +0#0000000&@10|#+0#0000e05&| |O|b|s|o|l|e|s|c|e|n|t| +0#0000000&@45
+|f+0#af5f00255&|m|t| +0#0000000&@71
+|f+0#af5f00255&|o|l|d| +0#0000000&@70
+>g+0#af5f00255&|e|t|c|o|n|f| +0#0000000&@67
+|g+0#af5f00255&|r|e|p| +0#0000000&@70
+|h+0#af5f00255&|e|a|d| +0#0000000&@70
+|i+0#af5f00255&|c|o|n|v| +0#0000000&@69
+|i+0#af5f00255&|d| +0#0000000&@72
+|j+0#af5f00255&|o|i|n| +0#0000000&@70
+|l+0#af5f00255&|n| +0#0000000&@72
+|l+0#af5f00255&|o|g|n|a|m|e| +0#0000000&@67
+|l+0#af5f00255&|s| +0#0000000&@72
+|m+0#af5f00255&|d|5|s|u|m| +0#0000000&@68
+|m+0#af5f00255&|k|d|i|r| +0#0000000&@69
+|m+0#af5f00255&|k|f|i|f|o| +0#0000000&@68
+|m+0#af5f00255&|k|t|e|m|p| +0#0000000&@68
+|m+0#af5f00255&|v| +0#0000000&@72
+@57|1|9|,|1| @9|3|4|%| 
diff --git a/runtime/syntax/testdir/dumps/sh_bash_sundrous_02.dump b/runtime/syntax/testdir/dumps/sh_bash_sundrous_02.dump
new file mode 100644
index 0000000..073d29f
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_bash_sundrous_02.dump
@@ -0,0 +1,20 @@
+|m+0#af5f00255#ffffff0|v| +0#0000000&@72
+|o+0#af5f00255&|d| +0#0000000&@72
+|p+0#af5f00255&|a|s|t|e| +0#0000000&@69
+|p+0#af5f00255&|a|t|h|c|h|k| +0#0000000&@67
+|r+0#af5f00255&|e|a|d|l|i|n|k| +0#0000000&@66
+>r+0#af5f00255&|e|a|l|p|a|t|h| +0#0000000&@66
+|r+0#af5f00255&|e|v| +0#0000000&@71
+|r+0#af5f00255&|m| +0#0000000&@72
+|r+0#af5f00255&|m|d|i|r| +0#0000000&@69
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+|s+0#af5f00255&|h|a|2|5|6|s|u|m| +0#0000000&@65
+|s+0#af5f00255&|h|a|2@1|4|s|u|m| +0#0000000&@65
+|s+0#af5f00255&|h|a|3|8|4|s|u|m| +0#0000000&@65
+|s+0#af5f00255&|h|a|5|1|2|s|u|m| +0#0000000&@65
+|s+0#af5f00255&|t@1|y| +0#0000000&@70
+|s+0#af5f00255&|u|m| +0#0000000&@71
+|s+0#af5f00255&|y|n|c| +0#0000000&@70
+|t+0#af5f00255&|a|i|l| +0#0000000&@70
+|t+0#af5f00255&|e@1| +0#0000000&@71
+@57|3|7|,|1| @9|8|1|%| 
diff --git a/runtime/syntax/testdir/dumps/sh_bash_sundrous_03.dump b/runtime/syntax/testdir/dumps/sh_bash_sundrous_03.dump
new file mode 100644
index 0000000..5a24b40
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_bash_sundrous_03.dump
@@ -0,0 +1,20 @@
+|t+0#af5f00255#ffffff0|e@1| +0#0000000&@71
+|t+0#af5f00255&|r| +0#0000000&@72
+|t+0#af5f00255&@1|y| +0#0000000&@71
+|u+0#af5f00255&|n|a|m|e| +0#0000000&@69
+|u+0#af5f00255&|n|i|q| +0#0000000&@70
+>w+0#af5f00255&|c| +0#0000000&@72
+|x+0#af5f00255&|a|r|g|s| +0#0000000&@69
+|x+0#af5f00255&|g|r|e|p| +0#0000000&@69
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|5@1|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/input/ksh2020.ksh b/runtime/syntax/testdir/input/ksh2020.ksh
new file mode 100644
index 0000000..edb1ab2
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh2020.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh2020
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/ksh88.ksh b/runtime/syntax/testdir/input/ksh88.ksh
new file mode 100644
index 0000000..20ce318
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh88.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh88
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/ksh93_generic.ksh b/runtime/syntax/testdir/input/ksh93_generic.ksh
new file mode 100644
index 0000000..58d7e1f
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh93_generic.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh93
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/ksh93u.ksh b/runtime/syntax/testdir/input/ksh93u.ksh
new file mode 100644
index 0000000..4f7a3f6
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh93u.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh93u+
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/ksh93v.ksh b/runtime/syntax/testdir/input/ksh93v.ksh
new file mode 100644
index 0000000..33649ed
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh93v.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh93v-
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/ksh_generic.ksh b/runtime/syntax/testdir/input/ksh_generic.ksh
new file mode 100644
index 0000000..32572f0
--- /dev/null
+++ b/runtime/syntax/testdir/input/ksh_generic.ksh
@@ -0,0 +1,146 @@
+#!/bin/ksh
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${bar} ;;
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/mksh.ksh b/runtime/syntax/testdir/input/mksh.ksh
new file mode 100644
index 0000000..c346cee
--- /dev/null
+++ b/runtime/syntax/testdir/input/mksh.ksh
@@ -0,0 +1,146 @@
+#!/bin/mksh
+
+# Rendering namespace variables
+echo ${.foo.bar[adsf]} ${foo.bar[1][2]} ${foo.bar[1][az]} ${.foo.bar[1][2]}
+echo ${.foo[var]} ${.foo.bar[1]} ${.foo.bar[*]} ${foo.bar##baz} ${.foo.bar##baz}
+echo ${.foo.bar[3]##baz} ${.foo.bar[z]##baz} ${sh.version/V/b} ${.sh.version/V/b}
+echo ${foo/%bar/foo} ${foo/#bar/foo} ${foo.bar/%bar/foo} ${foo.bar[d]/#bar/foo}
+echo ${.foo/%barfoo} ${.foo.bar/#bar/foo} ${.bar.foo/%bar/foo} ${.bar/#bar/foo}
+echo ${foo/%barfoo} ${foo/bar/foo} ${barfoo//bar/foo} ${bar/#bar/foo}
+echo ${.sh.version^^} ${.sh.version,,} ${KSH_VERSION^} ${KSH_VERSION,}
+
+# 'alarm' builtin (present in ksh93u+, ksh93v- and the 93u+m dev branch).
+alarm --man
+# The fds and pids builtins. These ksh93 builtins have existed since 2005-05-22
+# and 2008-06-02, respectively. However, these were not readily enabled; in
+# 93u+m these can be enabled with the builtin command if libcmd.so is present,
+# either via 'builtin -f' or (in more recent commits) with a regular invocation
+# of the 'builtin' built-in.
+# cf. https://github.com/ksh93/ksh/commit/f15e2c41
+builtin fds pids
+fds; pids
+
+# Unix commands which are provided by ksh as builtins via libcmd.so
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv		# 93v-
+id
+join
+ln
+logname
+ls		# 93v-
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od		# 93v-
+paste
+pathchk
+readlink	# 93v-
+realpath	# 93v-
+rev
+rm
+rmdir
+sha1sum		# 93v-
+sha256sum	# 93v-
+sha2sum		# 93v-
+sha384sum	# 93v-
+sha512sum	# 93v-
+stty
+sum
+sync
+tail
+tee
+tr		# 93v-
+tty
+uname
+uniq
+vmstate		# Obsolescent; only available in 93v- and older
+wc
+xargs		# 93v-
+xgrep		# 93v-
+
+# SHA command not provided as a builtin but included here for completeness
+sha224sum
+
+# poll builtin (93v-)
+poll --man
+
+# mkservice and eloop (rarely provided; requires SHOPT_MKSERVICE)
+mkservice --man; eloop --help
+
+# some mksh builtins
+bind; rename
+
+# ;& and ;;& in case statements
+case x in
+	bar) false ${baz:1} ;&
+	foo) true ${foo:0:0} ;;&
+	*) print ${$bar} ;;	# 93v-
+esac
+
+# Below is subshare syntax supported by both ksh93 and mksh.
+print ${ echo one }
+print ${	echo two
+}
+print ${
+echo three	}
+print ${ echo 'four'; }
+print ${ echo 'five' ;}
+print ${ echo 'six'
+}
+print ${	echo 'seven'	}
+echo ${ print 'eight'	}
+typeset nine=${ pwd; }
+
+# Value substitutions of the form ${|command} are only
+# supported by mksh, not ksh93.
+if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
+	valsubfunc() {
+		REPLY=$1
+	}
+	echo ${|valsubfunc ten}
+	print "${|valsubfunc eleven;}"
+	printf '%s' "${|valsubfunc twelve	}"
+	unlucky=${|valsubfunc thirteen
+}
+	typeset notafloat=${|valsubfunc notanumber	}
+	print $unlucky $notanumber
+	${|echo foo}
+	${|echo bar
+}
+fi
+
+# ======
+# Shared-state command substitutions using the syntax ${<file;}
+# are only supported by ksh93, not mksh.
+echo ${
+	printf %s str
+} > /tmp/strfile
+echo ${</tmp/strfile;}
+
+exit 0
+# ksh88 and ksh93 non-dot special variables
+print ${ RANDOM= SRANDOM= SHLVL= JOBMAX= KSH_VERSION= FIGNORE= LC_TIME= LC_NUMERIC= LC_MESSAGES= LC_CTYPE= LC_COLLATE= LC_ALL= LANG= FPATH= PS4= OPTIND= OPTARG= true ;}
+print $(LINENO= SECONDS= TMOUT= PPID= LINES= COLUMNS= VISUAL= OLDPWD= PS3= MAILPATH= CDPATH= FCEDIT= HISTCMD= HISTEDIT= HISTSIZE= HISTFILE= ENV= MAILCHECK= EDITOR= SHELL= false)
+print $(REPLY= MAIL= HOME= PWD= IFS= PS2= PS1= PATH= SH_OPTIONS= ERRNO= COMP_CWORD= COMP_LINE= COMP_POINT= COMP_WORDS= COMP_KEY= COMPREPLY= COMP_WORDBREAKS= COMP_TYPE= compgen)
+print $(BASHPID= EPOCHREALTIME= EXECSHELL= KSHEGID= KSHGID= KSHUID= KSH_MATCH= PATHSEP= PGRP= PIPESTATUS= TMPDIR= USER_ID= VPATH= CSWIDTH= complete)
diff --git a/runtime/syntax/testdir/input/sh_10.sh b/runtime/syntax/testdir/input/sh_10.sh
deleted file mode 100644
index be463c3..0000000
--- a/runtime/syntax/testdir/input/sh_10.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/bin/ksh
-
-# This script is a test file for ksh93 shared-state
-# command substitutions (subshares) and mksh value
-# substitutions (valsubs).
-
-# ======
-# Below is subshare syntax supported by both ksh93 and mksh.
-print ${ echo one }
-print ${	echo two
-}
-print ${
-echo three	}
-print ${ echo 'four'; }
-print ${ echo 'five' ;}
-print ${ echo 'six'
-}
-print ${	echo 'seven'	}
-echo ${ print 'eight'	}
-typeset nine=${ pwd; }
-
-# ======
-# Value substitutions of the form ${|command} are only
-# supported by mksh, not ksh93.
-if ! command eval '((.sh.version >= 20070703))' 2>/dev/null; then
-	valsubfunc() {
-		REPLY=$1
-	}
-	echo ${|valsubfunc ten}
-	print "${|valsubfunc eleven;}"
-	printf '%s' "${|valsubfunc twelve	}"
-	unlucky=${|valsubfunc thirteen
-}
-	typeset notafloat=${|valsubfunc notanumber	}
-	print $unlucky $notanumber
-	${|echo foo}
-	${|echo bar
-}
-fi
-
-# ======
-# Shared-state command substitutions using the syntax ${<file;}
-# are only supported by ksh93, not mksh.
-echo ${
-	printf %s str
-} > /tmp/strfile
-echo ${</tmp/strfile;}
-
-exit 0
diff --git a/runtime/syntax/testdir/input/sh_bash_sundrous.bash b/runtime/syntax/testdir/input/sh_bash_sundrous.bash
new file mode 100644
index 0000000..8456af2
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_bash_sundrous.bash
@@ -0,0 +1,57 @@
+#!/bin/bash
+basename
+cat
+chgrp
+chmod
+chown
+cksum
+cmp
+comm
+cp
+cut
+date
+dirname
+egrep		# Obsolescent
+expr
+fgrep		# Obsolescent
+fmt
+fold
+getconf
+grep
+head
+iconv
+id
+join
+ln
+logname
+ls
+md5sum
+mkdir
+mkfifo
+mktemp
+mv
+od
+paste
+pathchk
+readlink
+realpath
+rev
+rm
+rmdir
+sha1sum
+sha256sum
+sha224sum
+sha384sum
+sha512sum
+stty
+sum
+sync
+tail
+tee
+tr
+tty
+uname
+uniq
+wc
+xargs
+xgrep