diff --git a/runtime/syntax/testdir/dumps/progress_comments_00.dump b/runtime/syntax/testdir/dumps/progress_comments_00.dump
new file mode 100644
index 0000000..d0cff21
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/progress_comments_00.dump
@@ -0,0 +1,20 @@
+>/+0#0000e05#ffffff0|*| +0#0000000&@72
+| +0#0000e05&|*| |V|I|M|_|T|E|S|T|_|S|E|T|U|P| |s|e|t| |f|i|l|e|t|y|p|e|=|p|r|o|g|r|e|s@1| +0#0000000&@35
+| +0#0000e05&|*|/| +0#0000000&@71
+@75
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+@75
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+|T+0#0000e05&|h|i|s| |i|s| |t|o@1|;| |t|h|e| |l|e|a|d|i|n|g| |*| |a|n|d| |l|e|f|t|-|h|a|n|d| |a|l|i|g|n|m|e|n|t| |a|r|e| |n|o|t| |r|e|q|u|i|r|e|d|.| |*|/| +0#0000000&@3
+|f+0#af5f00255&|o|r| +0#0000000&|e+0#af5f00255&|a|c|h| +0#0000000&|c|u|s|t|o|m|e|r| |n+0#af5f00255&|o|-|l|o|c|k| +0#0000000&@49
+@4|w+0#af5f00255&|h|e|r|e| +0#0000000&|c|u|s|t|o|m|e|r|.+0#af5f00255&|c+0#0000000&|u|s|t|o|m|e|r|_|i|d| |=+0#af5f00255&| +0#0000000&|1+0#e000002&|2|3|4|5| +0#0000000&@36
+|:+0#af5f00255&| +0#0000000&@73
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+| +0#0000e05&@49|a|t| |t|h|e| |e|n|d| |o|f| |a| |l|i|n|e|.| |*|/| +0#0000000&
+|e+0#af5f00255&|n|d|.| +0#0000000&|/+0#0000e05&|*| |f|o|r| |e|a|c|h| |c|u|s|t|o|m|e|r| |*|/| +0#0000000&@46
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+|c+0#0000e05&|o|m@1|e|n|t|e|d| |o|u|t| |t|h|i|s| |t|i|m|e|:| +0#0000000&@50
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+@57|1|,|1| @10|T|o|p| 
diff --git a/runtime/syntax/testdir/dumps/progress_comments_01.dump b/runtime/syntax/testdir/dumps/progress_comments_01.dump
new file mode 100644
index 0000000..6ccebc2
--- /dev/null
+++ b/runtime/syntax/testdir/dumps/progress_comments_01.dump
@@ -0,0 +1,20 @@
+|e+0#af5f00255#ffffff0|n|d|.| +0#0000000&|/+0#0000e05&|*| |f|o|r| |e|a|c|h| |c|u|s|t|o|m|e|r| |*|/| +0#0000000&@46
+@75
+|/+0#0000e05&|*| |C|o|m@1|e|n|t|s| |c|a|n| |b|e| |/|*| |n|e|s|t|e|d| |*|/|.| |H|e|r|e|'|s| |t|h|e| |s|a|m|e| |q|u|e|r|y| |a|s| |a|b|o|v|e|,| |b|u|t| +0#0000000&@6
+|c+0#0000e05&|o|m@1|e|n|t|e|d| |o|u|t| |t|h|i|s| |t|i|m|e|:| +0#0000000&@50
+@75
+>f+0#0000e05&|o|r| |e|a|c|h| |c|u|s|t|o|m|e|r| |n|o|-|l|o|c|k| +0#0000000&@49
+| +0#0000e05&@3|w|h|e|r|e| |c|u|s|t|o|m|e|r|.|c|u|s|t|o|m|e|r|_|i|d| |=| |1|2|3|4|5| +0#0000000&@36
+|:+0#0000e05&| +0#0000000&@73
+| +0#0000e05&@3|a|s@1|i|g|n| |c|u|s|t|_|n|a|m|e| |=| |c|u|s|t|o|m|e|r|.|c|u|s|t|o|m|e|r|_|n|a|m|e|.| |/|*| |C|o|m@1|e|n|t|s| |c|a|n| |a|l|s|o| |a|p@1|e|a|r| +0#0000000&
+| +0#0000e05&@49|a|t| |t|h|e| |e|n|d| |o|f| |a| |l|i|n|e|.| |*|/| +0#0000000&
+|e+0#0000e05&|n|d|.| |/|*| |f|o|r| |e|a|c|h| |c|u|s|t|o|m|e|r| |*|/| +0#0000000&@46
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+|n+0#0000e05&|e|w| |c|o|m@1|e|n|t| |w|h|o|s|e| |f|i|r|s|t| |c|h|a|r|a|c|t|e|r| |i|s| |a| |'|/|'|.| |N|o|w| |w|e| |n|e@1|d| |t|w|o| |e|n|d|-|c|o|m@1|e|n|t| +0#0000000&@3
+|m+0#0000e05&|a|r|k|e|r|s| |t|o| |r|e|t|u|r|n| |t|o| |a|c|t|u|a|l| |c|o|d|e|.| |*|/| |*|/| +0#0000000&@35
+@75
+|d+0#af5f00255&|i|s|p|l|a|y| +0#0000000&|c|u|s|t|o|m|e|r|_|n|a|m|e|.+0#af5f00255&| +0#0000000&@52
+@75
+|~+0#4040ff13&| @73
+| +0#0000000&@56|1|9|,|1| @9|B|o|t| 
diff --git a/runtime/syntax/testdir/input/progress_comments.p b/runtime/syntax/testdir/input/progress_comments.p
new file mode 100644
index 0000000..fc3f1cf
--- /dev/null
+++ b/runtime/syntax/testdir/input/progress_comments.p
@@ -0,0 +1,31 @@
+/*
+ * VIM_TEST_SETUP set filetype=progress
+ */
+
+define variable customer_name as character no-undo.
+
+/* The test setup above is an example of a multi-line comment.
+This is too; the leading * and left-hand alignment are not required. */
+for each customer no-lock
+    where customer.customer_id = 12345
+:
+    assign cust_name = customer.customer_name. /* Comments can also appear
+                                                  at the end of a line. */
+end. /* for each customer */
+
+/* Comments can be /* nested */. Here's the same query as above, but
+commented out this time:
+
+for each customer no-lock
+    where customer.customer_id = 12345
+:
+    assign cust_name = customer.customer_name. /* Comments can also appear
+                                                  at the end of a line. */
+end. /* for each customer */
+
+TODO: Note that /*/ does not end the comment, because it actually starts a
+new comment whose first character is a '/'. Now we need two end-comment
+markers to return to actual code. */ */
+
+display customer_name.
+