Full support for ie/el. This completes the initial roff support.

Added test files for ie/el.
Using `if 0' as a baseline for "false" roff instructions instead of `if t'.

23 files changed, 210 insertions, 29 deletions

diff --git a/regress/roff/ie/simple0.in b/regress/roff/ie/simple0.in
new file mode 100644
index 00000000..e9b561ee
--- /dev/null
+++ b/regress/roff/ie/simple0.in
@@ -0,0 +1,12 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+.\}
+fdsa
diff --git a/regress/roff/ie/simple1.in b/regress/roff/ie/simple1.in
new file mode 100644
index 00000000..b0af13bc
--- /dev/null
+++ b/regress/roff/ie/simple1.in
@@ -0,0 +1,11 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \
+1
+fdsa
diff --git a/regress/roff/ie/simple2.in b/regress/roff/ie/simple2.in
new file mode 100644
index 00000000..e4da435f
--- /dev/null
+++ b/regress/roff/ie/simple2.in
@@ -0,0 +1,11 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0
+1
+fdsa
diff --git a/regress/roff/ie/with-el0.in b/regress/roff/ie/with-el0.in
new file mode 100644
index 00000000..ba54605d
--- /dev/null
+++ b/regress/roff/ie/with-el0.in
@@ -0,0 +1,13 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \
+1
+.el \
+2
+fdsa
diff --git a/regress/roff/ie/with-el1.in b/regress/roff/ie/with-el1.in
new file mode 100644
index 00000000..522fba16
--- /dev/null
+++ b/regress/roff/ie/with-el1.in
@@ -0,0 +1,15 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+2
+.\}
+.el \
+3
+fdsa
diff --git a/regress/roff/ie/with-el2.in b/regress/roff/ie/with-el2.in
new file mode 100644
index 00000000..3b8da03e
--- /dev/null
+++ b/regress/roff/ie/with-el2.in
@@ -0,0 +1,16 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+2
+.\}
+xyzzy
+.el \
+3
+fdsa
diff --git a/regress/roff/ie/with-el3.in b/regress/roff/ie/with-el3.in
new file mode 100644
index 00000000..951de4a0
--- /dev/null
+++ b/regress/roff/ie/with-el3.in
@@ -0,0 +1,23 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+.de garglepants
+2
+.\}
+foobar
+.ie 0 \{\
+1
+.de actuallygarglepantsisadouche
+2
+.\}
+xyzzy
+.el \
+3
+fdsa
diff --git a/regress/roff/ie/with-el4.in b/regress/roff/ie/with-el4.in
new file mode 100644
index 00000000..5d0398b6
--- /dev/null
+++ b/regress/roff/ie/with-el4.in
@@ -0,0 +1,29 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+.de garglepants
+2
+.\}
+foobar
+.ie 0 \{\
+1
+.de actuallygarglepantsisadouche
+2
+.\}
+xyzzy
+.el \
+3
+fdsa
+.el \
+3
+fdsa
+.el \
+3
+fdsa
diff --git a/regress/roff/ie/with-el5.in b/regress/roff/ie/with-el5.in
new file mode 100644
index 00000000..fab16623
--- /dev/null
+++ b/regress/roff/ie/with-el5.in
@@ -0,0 +1,51 @@
+.Dd $Mdocdate: May 17 2010 $
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+asdf
+.ie 0 \{\
+1
+.de garglepants
+2
+.\}
+foobar
+.ie 0 \{\
+1
+.de actuallygarglepantsisadouche
+2
+.\}
+.ie 0 \{\
+1
+.de garglepants
+2
+.\}
+foobar
+.ie 0 \{\
+1
+.de actuallygarglepantsisadouche
+2
+.\}
+.ie 0 \{\
+1
+.de garglepants
+2
+.\}
+foobar
+.ie 0 \{\
+1
+.de actuallygarglepantsisadouche
+2
+.\}
+xyzzy
+.el \
+3
+fdsa
+.el \
+3
+fdsa
+.el \
+3
+fdsa
diff --git a/regress/roff/if/line-nest.in b/regress/roff/if/line-nest.in
index a1c50ad7..8c56b4d2 100644
--- a/regress/roff/if/line-nest.in
+++ b/regress/roff/if/line-nest.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,6 +6,6 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t .if t \
+.if 0 .if 0 \
 fdsa
 asdf
diff --git a/regress/roff/if/multiline-free0.in b/regress/roff/if/multiline-free0.in
index f5f1f99a..cdf9f384 100644
--- a/regress/roff/if/multiline-free0.in
+++ b/regress/roff/if/multiline-free0.in
@@ -1,10 +1,10 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
 .Nm foo
 .Nd bar
 .Sh DESCRIPTION
-.if t \{\
+.if 0 \{\
 there  \}   dude
 fdsa
diff --git a/regress/roff/if/multiline-free1.in b/regress/roff/if/multiline-free1.in
index 5726e718..2efa12c8 100644
--- a/regress/roff/if/multiline-free1.in
+++ b/regress/roff/if/multiline-free1.in
@@ -1,11 +1,11 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
 .Nm foo
 .Nd bar
 .Sh DESCRIPTION
-.if t \{\
+.if 0 \{\
 there  \\}   dude
 .\}
 fdsa
diff --git a/regress/roff/if/multiline0.in b/regress/roff/if/multiline0.in
index def3c8df..3d12093a 100644
--- a/regress/roff/if/multiline0.in
+++ b/regress/roff/if/multiline0.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,7 +6,7 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t \{\
+.if 0 \{\
 asdf
 .\}
 fdsa
diff --git a/regress/roff/if/multiline1.in b/regress/roff/if/multiline1.in
index 549d3b03..0f850cab 100644
--- a/regress/roff/if/multiline1.in
+++ b/regress/roff/if/multiline1.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,7 +6,7 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t \
+.if 0 \
 \{\
 asdf
 .\}
diff --git a/regress/roff/if/multiline2.in b/regress/roff/if/multiline2.in
index e7f014ab..f41e4363 100644
--- a/regress/roff/if/multiline2.in
+++ b/regress/roff/if/multiline2.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,9 +6,9 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t \{\
+.if 0 \{\
 asdf
-. if t \{\
+. if 0 \{\
 shmoop moop
 . \}
 .\}
diff --git a/regress/roff/if/multiline3.in b/regress/roff/if/multiline3.in
index 2c6b361b..4526464d 100644
--- a/regress/roff/if/multiline3.in
+++ b/regress/roff/if/multiline3.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,9 +6,9 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t \{ .if t
+.if 0 \{ .if 0
 asdf
-. if t \{\
+. if 0 \{\
 shmoop moop
 . \}
 .\}
diff --git a/regress/roff/if/simple0.in b/regress/roff/if/simple0.in
index d6ebe5b7..cda036cf 100644
--- a/regress/roff/if/simple0.in
+++ b/regress/roff/if/simple0.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -6,5 +6,5 @@
 .Nd bar
 .Sh DESCRIPTION
 123
-.if t \
+.if 0 \
 asdf
diff --git a/regress/roff/if/simple1.in b/regress/roff/if/simple1.in
index 12e16ed5..e797ee98 100644
--- a/regress/roff/if/simple1.in
+++ b/regress/roff/if/simple1.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -7,5 +7,5 @@
 .Sh DESCRIPTION
 123
 .\" Note this has no whitespace...
-.if t
+.if 0
 asdf
diff --git a/regress/roff/if/simple2.in b/regress/roff/if/simple2.in
index fa4ae978..986636b2 100644
--- a/regress/roff/if/simple2.in
+++ b/regress/roff/if/simple2.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -7,5 +7,5 @@
 .Sh DESCRIPTION
 123
 .\" Note that this has whitespace...
-.if t  
+.if 0  
 asdf
diff --git a/regress/roff/ig/cond0.in b/regress/roff/ig/cond0.in
index 993e31a5..80121f11 100644
--- a/regress/roff/ig/cond0.in
+++ b/regress/roff/ig/cond0.in
@@ -10,7 +10,7 @@
 .Nd bar
 .Sh DESCRIPTION
 garglebats!
-.if t \
+.if 0 \
 .ig .
 foo
 ..
diff --git a/regress/roff/ig/redef0.in b/regress/roff/ig/redef0.in
index 452dbc31..8e344615 100644
--- a/regress/roff/ig/redef0.in
+++ b/regress/roff/ig/redef0.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -8,6 +8,6 @@
 a
 .ig if
 asdf
-.if t \
+.if 0 \
 b
 c
diff --git a/regress/roff/ig/simple0.in b/regress/roff/ig/simple0.in
index 2598b392..743de75f 100644
--- a/regress/roff/ig/simple0.in
+++ b/regress/roff/ig/simple0.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -8,5 +8,5 @@
 123
 .ig
 hello
-..
+.0
 12124
diff --git a/regress/roff/ig/simple2.in b/regress/roff/ig/simple2.in
index 856debbf..d7ca4f5f 100644
--- a/regress/roff/ig/simple2.in
+++ b/regress/roff/ig/simple2.in
@@ -1,4 +1,4 @@
-.Dd $Mdocdate: May 16 2010 $
+.Dd $Mdocdate: May 17 2010 $
 .Dt FOO 1
 .Os
 .Sh NAME
@@ -8,7 +8,7 @@
 123
 .ig
 hello
-.if t \{\
+.if 0 \{\
 hello
 .\}
 ..