From 42ba45743937739d7b80229cb1891d3c96a06099 Mon Sep 17 00:00:00 2001
From: Hackerpilot <briancschott@gmail.com>
Date: Thu, 5 Mar 2015 19:08:38 -0800
Subject: [PATCH] Fix #38.

---
 src/dfmt.d            | 9 ++++++++-
 tests/issue0038.d     | 5 +++++
 tests/issue0038.d.ref | 5 +++++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 tests/issue0038.d
 create mode 100644 tests/issue0038.d.ref

diff --git a/src/dfmt.d b/src/dfmt.d
index f66a504..5acb9c9 100644
--- a/src/dfmt.d
+++ b/src/dfmt.d
@@ -333,6 +333,10 @@ private:
                 writeToken();
                 writeParens(true);
                 break;
+            case tok!"is":
+                writeToken();
+                write(" ");
+                break;
             default:
                 if (index + 1 < tokens.length)
                 {
@@ -395,8 +399,11 @@ private:
             case tok!"(":
                 writeParens(true);
                 break;
-            case tok!"@":
             case tok!"!":
+                if (peekIs(tok!"is"))
+                    write(" ");
+                goto case;
+            case tok!"@":
             case tok!"...":
             case tok!"[":
             case tok!"++":
diff --git a/tests/issue0038.d b/tests/issue0038.d
new file mode 100644
index 0000000..53e8577
--- /dev/null
+++ b/tests/issue0038.d
@@ -0,0 +1,5 @@
+static int isInfinity(double r)
+{
+    auto a = r is double.infinity || r is-double.infinity;
+    auto b = r is double.infinity || r!is-double.infinity;
+}
diff --git a/tests/issue0038.d.ref b/tests/issue0038.d.ref
new file mode 100644
index 0000000..97d7dc8
--- /dev/null
+++ b/tests/issue0038.d.ref
@@ -0,0 +1,5 @@
+static int isInfinity(double r)
+{
+    auto a = r is double.infinity || r is -double.infinity;
+    auto b = r is double.infinity || r !is -double.infinity;
+}