diff --git a/runtime/syntax/Makefile b/runtime/syntax/Makefile
index 4d0c889..08bc824 100644
--- a/runtime/syntax/Makefile
+++ b/runtime/syntax/Makefile
@@ -1,7 +1,8 @@
 # Portable Makefile for running syntax tests.
 
-# Override this if needed, e.g. with ../../src/vim
-VIMPROG = vim
+# Override this if needed, the default assumes Vim was build in the src dir.
+#VIMPROG = vim
+VIMPROG = ../../src/vim
 
 # "runtime" relative to "runtime/syntax/testdir"
 VIMRUNTIME = ../..
@@ -13,15 +14,20 @@
 
 RUN_VIMTEST = VIMRUNTIME=$(VIMRUNTIME) $(VALGRIND) $(ENVVARS) ../$(VIMPROG) -f $(GUI_FLAG)
 
+# Uncomment this line for debugging
+# DEBUGLOG = --log testlog
+
 # Run the tests that didn't run yet or failed previously.
 # If a test succeeds a testdir/done/{name} file will be written.
 # If a test fails a testdir/failed/{name}.dump file will be written.
+# Progress and error messages can be found in "testdir/messages".
 test:
 	@# the "vimcmd" file is used by the screendump utils
 	@echo "../$(VIMPROG)" > testdir/vimcmd
 	@echo "$(RUN_VIMTEST)" >> testdir/vimcmd
-	VIMRUNTIME=$(VIMRUNTIME) $(VIMPROG) --clean --not-a-term -u testdir/runtest.vim
+	VIMRUNTIME=$(VIMRUNTIME) $(VIMPROG) --clean --not-a-term $(DEBUGLOG) -u testdir/runtest.vim
+	@tail -n 5 testdir/messages
 
 
 clean testclean:
-	rm -f testdir/failed/* testdir/done/* testdir/vimcmd
+	rm -f testdir/failed/* testdir/done/* testdir/vimcmd testdir/messages
diff --git a/runtime/syntax/testdir/dumps/sh_01_00.dump b/runtime/syntax/testdir/dumps/sh_01_00.dump
new file mode 100644
index 0000000..437a251
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_01_00.dump
@@ -0,0 +1,20 @@
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diff --git a/runtime/syntax/testdir/dumps/sh_01_99.dump b/runtime/syntax/testdir/dumps/sh_01_99.dump
new file mode 100644
index 0000000..cf45453
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_01_99.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_02_00.dump b/runtime/syntax/testdir/dumps/sh_02_00.dump
new file mode 100644
index 0000000..5628423
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_02_00.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
new file mode 100644
index 0000000..20930c8
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_02_01.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_02_99.dump b/runtime/syntax/testdir/dumps/sh_02_99.dump
new file mode 100644
index 0000000..a9902dd
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_02_99.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_03_00.dump b/runtime/syntax/testdir/dumps/sh_03_00.dump
new file mode 100644
index 0000000..0c5576c
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_03_00.dump
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diff --git a/runtime/syntax/testdir/dumps/sh_03_01.dump b/runtime/syntax/testdir/dumps/sh_03_01.dump
new file mode 100644
index 0000000..1dc4664
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_03_01.dump
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/sh_04_01.dump b/runtime/syntax/testdir/dumps/sh_04_01.dump
new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/sh_04_99.dump b/runtime/syntax/testdir/dumps/sh_04_99.dump
new file mode 100644
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new file mode 100644
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new file mode 100644
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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/sh_05_04.dump b/runtime/syntax/testdir/dumps/sh_05_04.dump
new file mode 100644
index 0000000..27c821a
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diff --git a/runtime/syntax/testdir/dumps/sh_05_05.dump b/runtime/syntax/testdir/dumps/sh_05_05.dump
new file mode 100644
index 0000000..1eb0229
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diff --git a/runtime/syntax/testdir/dumps/sh_05_06.dump b/runtime/syntax/testdir/dumps/sh_05_06.dump
new file mode 100644
index 0000000..46c4de0
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diff --git a/runtime/syntax/testdir/dumps/sh_05_07.dump b/runtime/syntax/testdir/dumps/sh_05_07.dump
new file mode 100644
index 0000000..e1dc4ed
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/sh_05_08.dump b/runtime/syntax/testdir/dumps/sh_05_08.dump
new file mode 100644
index 0000000..dc77a9f
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diff --git a/runtime/syntax/testdir/dumps/sh_05_09.dump b/runtime/syntax/testdir/dumps/sh_05_09.dump
new file mode 100644
index 0000000..944d7e3
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diff --git a/runtime/syntax/testdir/dumps/sh_05_10.dump b/runtime/syntax/testdir/dumps/sh_05_10.dump
new file mode 100644
index 0000000..43639c8
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diff --git a/runtime/syntax/testdir/dumps/sh_05_11.dump b/runtime/syntax/testdir/dumps/sh_05_11.dump
new file mode 100644
index 0000000..2ba00e3
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diff --git a/runtime/syntax/testdir/dumps/sh_05_12.dump b/runtime/syntax/testdir/dumps/sh_05_12.dump
new file mode 100644
index 0000000..2300b7d
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new file mode 100644
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new file mode 100644
index 0000000..d16e2e0
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new file mode 100644
index 0000000..c9abc7c
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new file mode 100644
index 0000000..198e0b7
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new file mode 100644
index 0000000..b282e4d
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new file mode 100644
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diff --git a/runtime/syntax/testdir/dumps/sh_05_19.dump b/runtime/syntax/testdir/dumps/sh_05_19.dump
new file mode 100644
index 0000000..05b9e3d
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diff --git a/runtime/syntax/testdir/dumps/sh_05_20.dump b/runtime/syntax/testdir/dumps/sh_05_20.dump
new file mode 100644
index 0000000..5316887
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diff --git a/runtime/syntax/testdir/dumps/sh_05_99.dump b/runtime/syntax/testdir/dumps/sh_05_99.dump
new file mode 100644
index 0000000..c3d20b5
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diff --git a/runtime/syntax/testdir/dumps/sh_06_00.dump b/runtime/syntax/testdir/dumps/sh_06_00.dump
new file mode 100644
index 0000000..7291591
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/sh_06_01.dump b/runtime/syntax/testdir/dumps/sh_06_01.dump
new file mode 100644
index 0000000..e71380e8
--- /dev/null
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diff --git a/runtime/syntax/testdir/dumps/sh_06_02.dump b/runtime/syntax/testdir/dumps/sh_06_02.dump
new file mode 100644
index 0000000..029ba13
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new file mode 100644
index 0000000..2f22cde
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new file mode 100644
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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/sh_07_02.dump b/runtime/syntax/testdir/dumps/sh_07_02.dump
new file mode 100644
index 0000000..8e36dde
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diff --git a/runtime/syntax/testdir/dumps/sh_07_03.dump b/runtime/syntax/testdir/dumps/sh_07_03.dump
new file mode 100644
index 0000000..4c8ba62
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diff --git a/runtime/syntax/testdir/dumps/sh_07_04.dump b/runtime/syntax/testdir/dumps/sh_07_04.dump
new file mode 100644
index 0000000..21c8738
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new file mode 100644
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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/sh_08_03.dump b/runtime/syntax/testdir/dumps/sh_08_03.dump
new file mode 100644
index 0000000..08ebadf
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new file mode 100644
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new file mode 100644
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+|:+0#0000e05&| +0#0000000&|$+0#e000e06&|{|V|a|r|i|a|b|l|e|4|:+0#af5f00255&|?|T+0#0000000&|h|i|s| |i|s| |a|n| |E|r@1|o|r| |M|e|s@1|a|g|e| |f|r|o|m| |`|d|a|t|e|`|}+0#e000e06&| +0#0000000&@22
+@75
+|e+0#af5f00255&|x|i|t| +0#0000000&|$+0#e000e06&|?| +0#0000000&@67
+@75
+|#+0#0000e05&| |M|i|c|h|a|e|l| |S|o|u|l|i|e|r| +0#0000000&@57
+|i+0#af5f00255&|f| |[| +0#0000000&|$+0#e000e06&|#| +0#0000000&|-+0#af5f00255&|n|e| +0#0000000&|1+0#e000002&| +0#0000000&|]+0#af5f00255&|;| +0#0000000&|t+0#af5f00255&|h|e|n| +0#0000000&@53
+@8|e+0#af5f00255&|c|h|o| +0#e000002&|w|h|a|t|e|v|e|r| +0#0000000&@53
+@8|e+0#af5f00255&|x|i|t| +0#0000000&|1+0#e000002&| +0#0000000&@60
+>f+0#af5f00255&|i| +0#0000000&@72
+@57|8|2|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/dumps/sh_09_00.dump b/runtime/syntax/testdir/dumps/sh_09_00.dump
new file mode 100644
index 0000000..e881c29
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_09_00.dump
@@ -0,0 +1,20 @@
+>#+0#0000e05#ffffff0|!|/|b|i|n|/|s|h| +0#0000000&@65
+|#+0#0000e05&| |T|e|s|t| |f|i|l|e| |f|o|r| |v|i|m| |t|h|e| |c|h|e|c|k| |(|)| |s|u|b|s|h|e|l@1|s| +0#0000000&@32
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|1| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@50
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|}| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@48
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
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+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|=|.+0#0000000&|}+0#e000e06&| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|?|}+0#e000e06&| @1|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|H|O|M|E| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@47
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|H|O|M|E|}| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|H|O|M|E|}| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@52
+|(|(+0#e000e06&|n+0#00e0e07&|=+0#0000000&|1+0#e000002&|+|2|)+0#e000e06&|)+0#ffffff16#ff404010| +0#0000000#ffffff0@65
+|l+0#af5f00255&|e|t| +0#0000000&|n+0#00e0e07&|=+0#0000000&|1+0#e000002&|++0#0000000&|2+0#e000002&| +0#0000000&@65
+|"|i|n|p|u|t|/|s|h|_|0|9|.|s|h|"| |1|9|L|,| |4|8|3|B| @30|1|,|1| @10|A|l@1| 
diff --git a/runtime/syntax/testdir/dumps/sh_09_99.dump b/runtime/syntax/testdir/dumps/sh_09_99.dump
new file mode 100644
index 0000000..2281ea9
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/sh_09_99.dump
@@ -0,0 +1,20 @@
+|#+0#0000e05#ffffff0|!|/|b|i|n|/|s|h| +0#0000000&@65
+|#+0#0000e05&| |T|e|s|t| |f|i|l|e| |f|o|r| |v|i|m| |t|h|e| |c|h|e|c|k| |(|)| |s|u|b|s|h|e|l@1|s| +0#0000000&@32
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|1| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@50
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|}| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@48
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|-|.+0#0000000&|}+0#e000e06&| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |s+0#af5f00255&|e|d| +0#0000000&|-+0#e000e06&|e| +0#0000000&|'+0#af5f00255&|s+0#e000002&|!|$|!|/|!|'+0#af5f00255&| +0#0000000&|-+0#e000e06&|e| +0#0000000&|'+0#af5f00255&|s+0#e000002&|!|/@1|*|$|!|/|!|'+0#af5f00255&| +0#0000000&@20
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|+|.+0#0000000&|}+0#e000e06&| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|=|.+0#0000000&|}+0#e000e06&| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|1|:+0#af5f00255&|?|}+0#e000e06&| @1|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@53
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|H|O|M|E| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@47
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|H|O|M|E|}| |;+0#af5f00255&| +0#e000e06&|$|p|w|d| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@45
+|(+0#e000e06&| |c+0#af5f00255&|d| +0#e000e06&|$|{|H|O|M|E|}| |)| +0#0000000&||| |w|c| |-+0#e000e06&|c| +0#0000000&@52
+|(|(+0#e000e06&|n+0#00e0e07&|=+0#0000000&|1+0#e000002&|+|2|)+0#e000e06&|)+0#ffffff16#ff404010| +0#0000000#ffffff0@65
+>l+0#af5f00255&|e|t| +0#0000000&|n+0#00e0e07&|=+0#0000000&|1+0#e000002&|++0#0000000&|2+0#e000002&| +0#0000000&@65
+|"|i|n|p|u|t|/|s|h|_|0|9|.|s|h|"| |1|9|L|,| |4|8|3|B| @30|1|9|,|1| @9|A|l@1| 
diff --git a/runtime/syntax/testdir/input/sh_01.sh b/runtime/syntax/testdir/input/sh_01.sh
new file mode 100644
index 0000000..2d4f6e8
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_01.sh
@@ -0,0 +1,4 @@
+#! /bin/sh
+export `echo 'A=B'`
+printenv A
+echo a `#foo` b
diff --git a/runtime/syntax/testdir/input/sh_02.sh b/runtime/syntax/testdir/input/sh_02.sh
new file mode 100644
index 0000000..81d5613
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_02.sh
@@ -0,0 +1,30 @@
+#! /bin/ksh
+# sh2
+#  Jul 28, 2018: introduced shCommandSubBQ, which is *not* included in a shSubCommandList (so its not recursive)
+ccc=`echo "test"`
+	ccc=`echo "test"`
+
+# comment
+case $VAR in
+# comment
+	x|y|z) echo xyz ;;
+# comment
+	a|b|c) echo abc ;;
+# comment
+esac
+
+# Jul 26, 2018: why isn't `..` being terminated properly?
+# comment
+case "$aaa" in
+# comment
+  	bbb)  ccc=`echo $ddd|cut -b4-`
+	echo "test"
+# comment
+	;;
+# comment
+	esac
+# comment
+
+echo   $VAR abc
+export $VAR abc
+set    $VAR abc
diff --git a/runtime/syntax/testdir/input/sh_03.sh b/runtime/syntax/testdir/input/sh_03.sh
new file mode 100644
index 0000000..8dd6dab
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_03.sh
@@ -0,0 +1,33 @@
+#!/bin/ksh
+#  Test variable modifiers
+# Variable=value
+Variable='value'
+Variable="value"
+VariableA="pat1xxpat2"
+VariableB="pat2xxpat1"
+echo ${#}
+echo ${#VariableA}
+echo ${VariableA#pat1}
+echo ${VariableA##pat1}
+echo ${VariableB%pat1}
+echo ${VariableB%%pat1}
+
+# This gets marked as an error
+Variable=${VariableB:+${VariableC:=eng}}	# :+ seems to work for ksh as well as bash
+Variable=${VariableB:-${VariableC:-eng}}	# :- is ksh and bash
+
+# This is OK
+Variable='${VariableB:+${VariableC:=eng}}'
+Variable='${VariableB:-${VariableC:-eng}}'
+Variable="${VariableB:+${VariableC:=eng}}"	# :+ seems to work for ksh as well as bash
+Variable="${VariableB:-${VariableC:-eng}}"  # :- is ksh and bash
+
+# These are OK
+: ${VariableB:-${VariableC:-eng}}
+: "${VariableB:-${VariableC:-eng}}"
+: '${VariableB:-${VariableC:-eng}}'
+
+# Another test
+Variable=${VariableB:-${VariableC:-${VariableD:-${VariableE:=eng}}}}
+       :        ${VariableB:=${VariableC:-${VariableD:-${VariableE:=eng}}}}
+
diff --git a/runtime/syntax/testdir/input/sh_04.sh b/runtime/syntax/testdir/input/sh_04.sh
new file mode 100644
index 0000000..5c6ab04
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_04.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+# sh4
+Variable=${VariableB:-{VariableC}}
+Variable=${VariableB:-${VariableC:-{Var3:=eng}}}
+
+# This gets marked as an error while its ok
+Variable=${VariableB:-${VariableC:-{Var3:=eng}}}
+Variable=${VariableB:=${VariableC:={Var3:=${Var4:-eng}}}}
+Variable=${VariableB:=${VariableC:={Var3:=${Var4:-${Var5:-eng}}}}}
+Variable=${VariableB:=${VariableC:={Var3:=${Var4:-${Var5:-$Var6}}}}}
+
+# These are OK
+Variable="${VariableB:-${VariableC:-{Var3:=eng}}}"
+Variable="${VariableB:=${VariableC:={Var3:=${Var4:-eng}}}}"
+
+# This gets marked as an error too
+: ${VariableB:-${VariableC:-{Var3:=eng}}}
+: ${VariableB:=${VariableC:={Var3:=${Var4:-eng}}}}
+
+# This is OK
+: ${VariableB:-${VariableC:-eng}}
+: "${VariableB:-${VariableC:-eng}}"
+
+# First line is OK except its missing a closing "}",
+# so second line should have some error highlighting
+Variable=${VariableB:=${VariableC:={Var3:=${Var4:-eng}}}
+Variable=${VariableB:-${VariableC:-{Var3:=eng}}
diff --git a/runtime/syntax/testdir/input/sh_05.sh b/runtime/syntax/testdir/input/sh_05.sh
new file mode 100644
index 0000000..e86c834
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_05.sh
@@ -0,0 +1,373 @@
+#!/bin/sh -x
+# sh5
+# Note that this is special for sh. ksh will be an extra file later.
+# Note too, that sh and ksh allow ${var:-sub} as well as ${var-sub}!
+# The ':' is optional!
+
+# This all should be OK
+# Case 0a
+[ -t 0 ] && date
+Variable1=value1
+Variable2='value2'
+Variable3="value3"
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 0b
+[ -t 0 ] && echo "\ndate"
+Variable1=$HOME
+Variable2='$HOME'
+Variable3="$HOME"
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 0c
+[ -t 0 ] && echo "\ndate"
+Variable1=$HOME$SHELL
+Variable2=$HOME.$SHELL
+Variable3=$HOME.$SHELL+$HOME-$SHELL/$HOME
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 0d
+[ -t 0 ] && echo "\ndate"
+Variable1=`date`
+Variable2=`id -ng`
+Variable3=`id -ng | wc -c`
+echo "$Variable1" "$Variable2" "$Variable3"
+
+################################################################################
+#
+# Case 1a with constants
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:=eng1}
+Variable2=${VariableA:-eng2}
+Variable3=${VariableA:?eng3}
+Variable3=${VariableA:+eng3}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1b with constants in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:='eng1'}
+Variable2=${VariableA:-'eng2'}
+Variable3=${VariableA:?'eng3'}
+Variable3=${VariableA:+'eng3'}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1c with constants in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:="eng1"}
+Variable2=${VariableA:-"eng2"}
+Variable3=${VariableA:?"eng3"}
+Variable3=${VariableA:+"eng3"}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1d: constants but missing colons
+Variable1=${VariableA=eng1}
+Variable2=${VariableA-eng2}
+Variable3=${VariableA?eng3}
+Variable3=${VariableA+eng3}
+Variable1=${VariableA='eng1'}
+Variable2=${VariableA-'eng2'}
+Variable3=${VariableA?'eng3'}
+Variable3=${VariableA+'eng3'}
+Variable1=${VariableA="eng1"}
+Variable2=${VariableA-"eng2"}
+Variable3=${VariableA?"eng3"}
+Variable3=${VariableA+"eng3"}
+
+# Case 2a with a variable
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:=$HOME}
+Variable2=${VariableA:-$HOME}
+Variable3=${VariableA:?$HOME}
+Variable3=${VariableA:+$HOME}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2b with a variable in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:='$HOME'}
+Variable2=${VariableA:-'$HOME'}
+Variable3=${VariableA:?'$HOME'}
+Variable3=${VariableA:+'$HOME'}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2c with a variable in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:="$HOME"}
+Variable2=${VariableA:-"$HOME"}
+Variable3=${VariableA:?"$HOME"}
+Variable3=${VariableA:+"$HOME"}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3a with a command substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:=`date`}
+Variable2=${VariableA:-`date`}
+Variable3=${VariableA:?`date`}
+Variable3=${VariableA:+`date`}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3b with a command + option substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:=`id -ng`}
+Variable2=${VariableA:-`id -ng`}
+Variable3=${VariableA:?`id -ng`}
+Variable3=${VariableA:+`id -ng`}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3c with a command + pipe substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:=`id -ng | wc -c`}
+Variable2=${VariableA:-`id -ng | wc -c`}
+Variable3=${VariableA:?`id -ng | wc -c`}
+Variable3=${VariableA:+`id -ng | wc -c`}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+################################################################################
+#
+# The same with one nestet ${} level
+# Case 1a with constants
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:=eng1}}
+Variable2=${VariableA:-${VarB:-eng2}}
+Variable3=${VariableA:-${VarB:?eng3}}
+Variable3=${VariableA:-${VarB:+eng3}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1b with constants in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:='eng1'}}
+Variable2=${VariableA:-${VarB:-'eng2'}}
+Variable3=${VariableA:-${VarB:?'eng3'}}
+Variable3=${VariableA:-${VarB:+'eng3'}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1c with constants in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:="eng1"}}
+Variable2=${VariableA:-${VarB:-"eng2"}}
+Variable3=${VariableA:-${VarB:?"eng3"}}
+Variable3=${VariableA:-${VarB:+"eng3"}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2a with a variable
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:=$HOME}}
+Variable2=${VariableA:-${VarB:-$HOME}}
+Variable3=${VariableA:-${VarB:?$HOME}}
+Variable3=${VariableA:-${VarB:+$HOME}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2b with a variable in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:='$HOME'}}
+Variable2=${VariableA:-${VarB:-'$HOME'}}
+Variable3=${VariableA:-${VarB:?'$HOME'}}
+Variable3=${VariableA:-${VarB:+'$HOME'}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2c with a variable in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:="$HOME"}}
+Variable2=${VariableA:-${VarB:-"$HOME"}}
+Variable3=${VariableA:-${VarB:?"$HOME"}}
+Variable3=${VariableA:-${VarB:+"$HOME"}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3a with a command substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:=`date`}}
+Variable2=${VariableA:-${VarB:-`date`}}
+Variable3=${VariableA:-${VarB:?`date`}}
+Variable3=${VariableA:-${VarB:+`date`}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3b with a command + option substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:=`id -ng`}}
+Variable2=${VariableA:-${VarB:-`id -ng`}}
+Variable3=${VariableA:-${VarB:?`id -ng`}}
+Variable3=${VariableA:-${VarB:+`id -ng`}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3c with a command + pipe substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:=`id -ng | wc -c`}}
+Variable2=${VariableA:-${VarB:-`id -ng | wc -c`}}
+Variable3=${VariableA:-${VarB:?`id -ng | wc -c`}}
+Variable3=${VariableA:-${VarB:+`id -ng | wc -c`}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+################################################################################
+#
+# The same with two nestet ${} level
+# Case 1a with constants
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:=eng1}}}
+Variable2=${VariableA:-${VarB:-${VarC:-eng2}}}
+Variable3=${VariableA:-${VarB:-${VarC:?eng3}}}
+Variable3=${VariableA:-${VarB:-${VarC:+eng3}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1b with constants in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:='eng1'}}}
+Variable2=${VariableA:-${VarB:-${VarC:-'eng2'}}}
+Variable3=${VariableA:-${VarB:-${VarC:?'eng3'}}}
+Variable3=${VariableA:-${VarB:-${VarC:+'eng3'}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1c with constants in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:="eng1"}}}
+Variable2=${VariableA:-${VarB:-${VarC:-"eng2"}}}
+Variable3=${VariableA:-${VarB:-${VarC:?"eng3"}}}
+Variable3=${VariableA:-${VarB:-${VarC:+"eng3"}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2a with a variable
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:=$HOME}}}
+Variable2=${VariableA:-${VarB:-${VarC:-$HOME}}}
+Variable3=${VariableA:-${VarB:-${VarC:?$HOME}}}
+Variable3=${VariableA:-${VarB:-${VarC:+$HOME}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2b with a variable in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:='$HOME'}}}
+Variable2=${VariableA:-${VarB:-${VarC:-'$HOME'}}}
+Variable3=${VariableA:-${VarB:-${VarC:?'$HOME'}}}
+Variable3=${VariableA:-${VarB:-${VarC:+'$HOME'}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2c with a variable in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:="$HOME"}}}
+Variable2=${VariableA:-${VarB:-${VarC:-"$HOME"}}}
+Variable3=${VariableA:-${VarB:-${VarC:?"$HOME"}}}
+Variable3=${VariableA:-${VarB:-${VarC:?"$HOME"}}}
+Variable3=${VariableA:-${VarB:-${VarC:+"$HOME"}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3a with a command substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:=`date`}}}
+Variable2=${VariableA:-${VarB:-${VarC:-`date`}}}
+Variable3=${VariableA:-${VarB:-${VarC:?`date`}}}
+Variable3=${VariableA:-${VarB:-${VarC:+`date`}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3b with a command + option substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:=`id -ng`}}}
+Variable2=${VariableA:-${VarB:-${VarC:-`id -ng`}}}
+Variable3=${VariableA:-${VarB:-${VarC:?`id -ng`}}}
+Variable3=${VariableA:-${VarB:-${VarC:+`id -ng`}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3c with a command + pipe substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:=`id -ng | wc -c`}}}
+Variable2=${VariableA:-${VarB:-${VarC:-`id -ng | wc -c`}}}
+Variable3=${VariableA:-${VarB:-${VarC:?`id -ng | wc -c`}}}
+Variable3=${VariableA:-${VarB:-${VarC:+`id -ng | wc -c`}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+
+################################################################################
+#
+# The same with three nestet ${} level
+# Case 1a with constants
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=eng1}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-eng2}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?eng3}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+eng3}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1b with constants in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:='eng1'}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-'eng2'}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?'eng3'}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+'eng3'}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 1c with constants in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:="eng1"}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-"eng2"}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?"eng3"}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+"eng3"}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2a with a variable
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=$HOME}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-$HOME}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?$HOME}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+$HOME}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2b with a variable in single quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:='$HOME'}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-'$HOME'}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?'$HOME'}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+'$HOME'}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 2c with a variable in double quotes
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:="$HOME"}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-"$HOME"}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?"$HOME"}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+"$HOME"}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3a with a command substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`date`}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`date`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`date`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`date`}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3b with a command + option substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`id -ng`}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`id -ng`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`id -ng`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`id -ng`}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+# Case 3c with a command + pipe substitution
+[ -t 0 ] && echo "\ndate"
+Variable1=${VariableA:-${VarB:-${VarC:-${VarD:=`id -ng | wc -c`}}}}
+Variable2=${VariableA:-${VarB:-${VarC:-${VarD:-`id -ng | wc -c`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:?`id -ng | wc -c`}}}}
+Variable3=${VariableA:-${VarB:-${VarC:-${VarD:+`id -ng | wc -c`}}}}
+echo "$Variable1" "$Variable2" "$Variable3"
+
+
+################################################################################
+#
+# This is also allowed:
+Variable1=${VariableA-${VarB-${VarC-${VarD=`id -ng | wc -c`}}}}
+
+################################################################################
+#
+# All cases with ${Var:?} which works for the sh:
+Variable4=${Variable4:?}
+Variable4=${Variable4:?OK}
+Variable4=${Variable4:?`date`}
+Variable4=${Variable4:?'an OK string'}
+Variable4=${Variable4:?"an OK string"}
+Variable4=${Variable4:?$HOME$SHELL}
+Variable4=${Variable4:?$HOME:$SHELL}
+
+# All cases with ${Var:?} which works also for ksh:
+Variable4=${Variable4:?This is OK}
+Variable4=${Variable4:?This is OK, too: `date`}
+
+# What happens with ${#identifier[*]}:
+Variable5=${#identifier[*]}
diff --git a/runtime/syntax/testdir/input/sh_06.sh b/runtime/syntax/testdir/input/sh_06.sh
new file mode 100644
index 0000000..cec6cc3
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_06.sh
@@ -0,0 +1,71 @@
+#!/bin/ksh
+# Shall we debug this script? If so, remove the '#' before '#DebugScript=set'
+DebugScript=set
+
+# Show that we are busy.
+[ -t 0 ] && echo "Please wait ... \c" >`tty`
+
+################################################################################
+#
+# Display some Help
+#
+Usage () {
+
+# does this comment work?
+VariableName="${BasicConfigName}_*"
+
+# Echo some ksh special variables
+echo "CDPATH="${CDPATH}
+
+# Get also a short description of the backuptype/method
+eval BackupMethod=\$mess09${BackupType}B
+
+case $BackupType in
+  3)   DefaultDevice=$MountDevice    ;;
+  1|2) DefaultDevice=$TapeDrive      ;;
+esac
+
+# If we have more the 53 characters in the variables below split them up
+# into several lines and add 3 tabs before them
+for Variable in DefaultExclude DefaultFindOption DoNotBackupList
+do
+    eval VarValue=\$$Variable
+    VarValue=`echo $VarValue | FoldS 53 | sed "2,\\$s/^/$Tab$Tab$Tab/"`
+    eval $Variable=\$VarValue
+done
+
+echo "
+Usage:  $ScriptName [-Options]
+
+Options List:
+        -v              The current version of '$ScriptName'
+        -h  | -H | ?    Display this list
+
+"
+
+} # End of Usage
+
+
+################################################################################
+#
+# Create a backup using fbackup/frecover
+#
+ExecuteFbackup () { # TESTING
+
+[ "$DebugScript" ]    && set -x || set +x
+
+cd $cwd
+
+} # End of ExecuteFbackup
+
+
+################################################################################
+# main ### main ### main ### main ### main ### main ### main ### main ### main #
+################################################################################
+#
+# Here is the heart of this script:
+#
+Usage
+
+# And exit
+Exit $Result
diff --git a/runtime/syntax/testdir/input/sh_07.sh b/runtime/syntax/testdir/input/sh_07.sh
new file mode 100644
index 0000000..6fc4931
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_07.sh
@@ -0,0 +1,93 @@
+#!/bin/sh
+# Test file to test 'for do done' loops.
+# You can start this script like: $0 {-ne -gt -le ...} (all numeric operators 
+# are allowed!
+
+# All this works and should be OK
+
+################################################################################
+#
+# For loop without 'in list'. Uses $1 $2 ... This is a special case!
+# This 'for Var, do, done' is a very handy solution AND no real replacement 
+# available!
+#
+Function1 () {
+
+echo "Function1: for loop inside a function:\t\c"
+[ "$*" ] || echo "none\c"
+
+for Var
+do
+    [ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
+done
+echo
+
+} # End of Function1
+
+################################################################################
+#
+# For loop with 'in list' $*
+#
+Function2 () {
+
+echo "Function2: for loop inside a function:\t\c"
+for Var in $*
+do
+    [ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
+done ; echo
+
+} # End of Function2
+
+################################################################################
+#
+# For loop with 'in list' $@. Works the same way as $*
+#
+Function3 () {
+
+echo "Function3: for loop inside a function:\t\c"
+for Var in $@
+do
+    [ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
+done ; echo
+
+} # End of Function3
+
+################################################################################
+#
+# For loop with 'in list' "$@". Special case. Works like "$1" "$2" ...
+#
+Function4 () {
+
+echo "Function4: for loop inside a function:\t\c"
+for Var in "$@"
+do
+    [ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
+done ; echo
+
+} # End of Function4
+
+
+################################################################################
+# main ### main ### main ### main ### main ### main ### main ### main ### main #
+################################################################################
+#
+# Here is the heart of this script:
+#
+echo "Processing the following command line arguements: ${*:-none}"
+echo "Script:    for loop outside a function:\t\c"
+for Var
+do
+    [ 1 $Var 2 ] && echo "OK \c" || echo "no \c"
+done ; echo
+
+# Same as function calls
+Function1 -eq -ne -gt -ge -le -lt
+Function2 -eq -ne -gt -ge -le -lt
+Function3 -eq -ne -gt -ge -le -lt
+Function4 -eq -ne -gt -ge -le -lt '-ge 1 -a 2 -ge'
+
+# Now the same call like Function4 but with Function1
+Function1 -eq -ne -gt -ge -le -lt '-ge 1 -a 2 -ge'
+Function1
+
+exit $?
diff --git a/runtime/syntax/testdir/input/sh_08.sh b/runtime/syntax/testdir/input/sh_08.sh
new file mode 100644
index 0000000..2b80d43
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_08.sh
@@ -0,0 +1,82 @@
+#!/bin/ksh -p
+
+# Note that this is special test file for ksh. sh is an extra file.
+# Note too, that this file contains ONLY things which works for ksh BUT NOT
+# for sh
+
+# This all should be OK
+
+# Several keywords without any quotes!
+# Case 1a. Several Constants 
+[ -t 0 ] && date
+Variable1=${VariableA:-This is a Text}
+Variable2=${VariableA:=This is a Text}
+Variable3=${VariableA:?This is a Text}
+echo "$Variable1" ; echo "$Variable2" ; echo "$Variable3"
+
+# Case 1b. Variable and Constant
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+Variable1=${VariableA:-$HOME This is a Text}
+Variable2=${VariableA:=$HOME This is a Text}
+Variable3=${VariableA:?$HOME This is a Text}
+echo "$Variable1" ; echo "$Variable2" ; echo "$Variable3"
+
+# Case 1c. Constant and Variable
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+Variable1=${VariableA:-This is a Text in $HOME}
+Variable2=${VariableA:=This is a Text in $HOME}
+Variable3=${VariableA:+This is a Text in $HOME}       #! :+ is bash-only, error here expected
+Variable1=${VariableA:-This is a Text in $HOME too}
+Variable2=${VariableA:=This is a Text in $HOME too}
+Variable3=${VariableA:+This is a Text in $HOME too}
+echo "$Variable1" ; echo "$Variable2" ; echo "$Variable3"
+
+# Case 1d. More Variables and Constants. Starting with a Variable.
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+Variable1=${VariableA:-$SHELL}
+Variable1=${VariableA:-$SHELL This is a Text in $HOME}
+Variable2=${VariableA:=$SHELL This is a Text in $HOME}
+Variable3=${VariableA:+$SHELL This is a Text in $HOME}
+echo "$Variable1" ; echo "$Variable2" ; echo "$Variable3"
+
+# Case 1e. More Constants and Variables. Starting with a Constant.
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+Variable1=${VariableA:-"This is a Text in $HOME $SHELL"}
+Variable1=${VariableA:-This is a Text in $HOME $SHELL}
+Variable2=${VariableA:=This is a Text in $HOME $SHELL}
+Variable3=${VariableA:+This is a Text in $HOME $SHELL}
+echo "$Variable1" ; echo "$Variable2" ; echo "$Variable3"
+
+# Case 1x. The same with ':'
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+: ${VariableA:-This is a Text}
+: ${VariableA:-$HOME This is a Text}
+: ${VariableA:-This is a Text in $HOME}
+: ${VariableA:-$SHELL This is a Text in $HOME}
+: ${VariableA:-This is a Text in $HOME $SHELL}
+
+# Case 1y. The same with ':' and without the ':' in the parameter substitution
+[ -t 0 ] && echo "\n`date`" && unset VariableA
+: ${VariableA-This is a Text}
+: ${VariableA-$HOME This is a Text}
+: ${VariableA-This is a Text in $HOME}
+: ${VariableA-$SHELL This is a Text in $HOME}
+: ${VariableA-This is a Text in $HOME $SHELL}
+
+################################################################################
+#
+# This are valid usages for ${Var:?} in ksh!
+#
+Variable4=${Variable4:?This is an Error Message}
+Variable4=${Variable4:?This is an Error Message from `date`}
+
+: ${Variable4:?This is an Error Message}
+: ${Variable4:?This is an Error Message from `date`}
+
+exit $?
+
+# Michael Soulier
+if [ $# -ne 1 ]; then
+	echo whatever
+	exit 1
+fi
diff --git a/runtime/syntax/testdir/input/sh_09.sh b/runtime/syntax/testdir/input/sh_09.sh
new file mode 100644
index 0000000..9888ade
--- /dev/null
+++ b/runtime/syntax/testdir/input/sh_09.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+# Test file for vim the check () subshells
+( cd ; $pwd ) | wc -c
+( cd $1 ; $pwd ) | wc -c
+( cd ${1} ; $pwd ) | wc -c
+( cd ; $pwd ) | wc -c
+( cd ${1:-.} ; $pwd ) | sed -e 's!$!/!' -e 's!//*$!/!'
+( cd ; $pwd ) | wc -c
+( cd ${1:+.} ; $pwd ) | wc -c
+( cd ; $pwd ) | wc -c
+( cd ${1:=.} ; $pwd ) | wc -c
+( cd ; $pwd ) | wc -c
+( cd ${1:?}  ; $pwd ) | wc -c
+( cd ; $pwd ) | wc -c
+( cd $HOME ; $pwd ) | wc -c
+( cd ${HOME} ; $pwd ) | wc -c
+( cd ${HOME} ) | wc -c
+((n=1+2))
+let n=1+2
diff --git a/runtime/syntax/testdir/runtest.vim b/runtime/syntax/testdir/runtest.vim
index d57341d..21e1ae3 100644
--- a/runtime/syntax/testdir/runtest.vim
+++ b/runtime/syntax/testdir/runtest.vim
@@ -5,28 +5,62 @@
 " Only do this with the +eval feature
 if 1
 
-let cwd = getcwd()
-if cwd !~ '[/\\]runtime[/\\]syntax\>'
-  echoerr 'Current directory must be "runtime/syntax"'
-  qall
+" Remember the directory where we started.  Will change to "testdir" below.
+let syntaxDir = getcwd()
+
+let s:messagesFname = fnameescape(syntaxDir .. '/testdir/messages')
+
+let s:messages = []
+
+" Add one message to the list of messages
+func Message(msg)
+  echomsg a:msg
+  call add(s:messages, a:msg)
+endfunc
+
+" Report a fatal message and exit
+func Fatal(msg)
+  echoerr a:msg
+  call AppendMessages(a:msg)
+  qall!
+endfunc
+
+" Append s:messages to the messages file and make it empty.
+func AppendMessages(header)
+  exe 'split ' .. s:messagesFname
+  call append(line('$'), '')
+  call append(line('$'), a:header)
+  call append(line('$'), s:messages)
+  let s:messages = []
+  wq
+endfunc
+
+" Relevant messages are written to the "messages" file.
+" If the file already exists it is appended to.
+exe 'split ' .. s:messagesFname
+call append(line('$'), repeat('=-', 70))
+call append(line('$'), '')
+call append(line('$'), 'Test run on ' .. strftime("%Y %b %d %H:%M:%S"))
+wq
+
+if syntaxDir !~ '[/\\]runtime[/\\]syntax\>'
+  call Fatal('Current directory must be "runtime/syntax"')
 endif
 if !isdirectory('testdir')
-  echoerr '"testdir" directory not found'
-  qall
+  call Fatal('"testdir" directory not found')
 endif
 
 " Use the script for source code screendump testing.  It sources other scripts,
 " therefore we must "cd" there.
 cd ../../src/testdir
 source screendump.vim
-exe 'cd ' .. fnameescape(cwd)
+exe 'cd ' .. fnameescape(syntaxDir)
 
 " For these tests we need to be able to run terminal Vim with 256 colors.  On
 " MS-Windows the console only has 16 colors and the GUI can't run in a
 " terminal.
 if !CanRunVimInTerminal()
-  echomsg 'Cannot make screendumps, aborting'
-  qall
+  call Fatal('Cannot make screendumps, aborting')
 endif
 
 cd testdir
@@ -51,7 +85,10 @@
 endfunc
 
 
+let ok_count = 0
 let failed_count = 0
+let skipped_count = 0
+let MAX_FAILED_COUNT = 5
 for fname in glob('input/*.*', 1, 1)
   if fname =~ '\~$'
     " backup file, skip
@@ -59,14 +96,18 @@
   endif
 
   let linecount = readfile(fname)->len()
-  let root = substitute(fname, 'input[/\\]\(.*\)\..*', '\1', '')
+  let root = fnamemodify(fname, ':t:r')
+  let filetype = substitute(root, '\([^_.]*\)[_.].*', '\1', '')
+  let failed_root = 'failed/' .. root
 
-  " Execute the test if the "done" file does not exist of when the input file
+  " Execute the test if the "done" file does not exist or when the input file
   " is newer.
   let in_time = getftime(fname)
   let out_time = getftime('done/' .. root)
   if out_time < 0 || in_time > out_time
-    for dumpname in glob('failed/' .. root .. '_\d*\.dump', 1, 1)
+    call ch_log('running tests for: ' .. fname)
+
+    for dumpname in glob(failed_root .. '_\d*\.dump', 1, 1)
       call delete(dumpname)
     endfor
     call delete('done/' .. root)
@@ -77,38 +118,76 @@
     call writefile(lines, 'Xtestscript')
     let buf = RunVimInTerminal('-S Xtestscript ' .. fname, {})
 
-    " Screendump at the start of the file: root_00.dump
-    let fail = VerifyScreenDump(buf, root .. '_00', {})
+    " Screendump at the start of the file: failed/filetype_00.dump
+    let root_00 = root .. '_00'
+    call ch_log('First screendump for ' .. fname .. ': failed/' .. root_00 .. '.dump')
+    let fail = VerifyScreenDump(buf, root_00, {})
 
-    " Make a Screendump every 18 lines of the file: root_NN.dump
+    " Make a Screendump every 18 lines of the file: failed/root_NN.dump
     let topline = 1
     let nr = 1
     while linecount - topline > 20
       let topline += 18
       call term_sendkeys(buf, printf("%dGzt", topline))
-      let fail += VerifyScreenDump(buf, root .. printf('_%02d', nr), {})
+      let root_next = root .. printf('_%02d', nr)
+      call ch_log('Next screendump for ' .. fname .. ': failed/' .. root_next .. '.dump')
+      let fail += VerifyScreenDump(buf, root_next, {})
       let nr += 1
     endwhile
 
-    " Screendump at the end of the file: root_99.dump
+    " Screendump at the end of the file: failed/root_99.dump
     call term_sendkeys(buf, 'Gzb')
-    let fail += VerifyScreenDump(buf, root .. '_99', {})
+    let root_last = root .. '_99'
+    call ch_log('Last screendump for ' .. fname .. ': failed/' .. root_last .. '.dump')
+    let fail += VerifyScreenDump(buf, root_last, {})
 
     call StopVimInTerminal(buf)
     call delete('Xtestscript')
 
-    if fail == 0
-      call writefile(['OK'], 'done/' . root)
-      echo "Test " . root . " OK\n"
-    else
-      let failed_count += 1
+    " Add any assert errors to s:messages
+    if len(v:errors) > 0
+      call extend(s:messages, v:errors)
+      let v:errors = []
+      let fail += 1
     endif
+
+    if fail == 0
+      call Message("Test " .. root .. " OK")
+
+      call writefile(['OK'], 'done/' .. root)
+
+      let ok_count += 1
+    else
+      call Message("Test " .. root .. " FAILED")
+
+      call delete('done/' .. root)
+
+      let failed_count += 1
+      if failed_count > MAX_FAILED_COUNT
+	call Message('')
+	call Message('Too many errors, aborting')
+      endif
+    endif
+  else
+    let skipped_count += 1
+  endif
+
+  " Append messages to the file "testdir/messages"
+  call AppendMessages('Input file ' .. fname .. ':')
+
+  if failed_count > MAX_FAILED_COUNT
+    break
   endif
 endfor
 
 " Matching "if 1" at the start.
 endif
 
+call Message('OK: ' .. ok_count)
+call Message('FAILED: ' .. failed_count)
+call Message('skipped: ' .. skipped_count)
+call AppendMessages('== SUMMARY ==')
+
 if failed_count > 0
   " have make report an error
   cquit