Made the new ascii art doc "tests" text, not nothing, as nothing is rust, and these aren't Rust.

Author: kkysen

pdg/src/info.rs

@@ -675,7 +675,7 @@ mod test {
     /// *y = 2;
     /// ```
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |
@@ -725,7 +725,7 @@ mod test {
     /// *y = 2;
     /// ```
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |
@@ -781,7 +781,7 @@ mod test {
     /// *y = 2;
     /// ```
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |
@@ -837,7 +837,7 @@ mod test {
     /// *y = 2;
     /// ```
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |
@@ -893,7 +893,7 @@ mod test {
     /// *y = 2;
     /// ```
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |
@@ -956,7 +956,7 @@ mod test {
     /// something like `&mut Vec<_>` or a custom smart pointer type, rustc would reject the
     /// modified code.
     ///
-    /// ```
+    /// ```text
     /// A
     /// +------.
     /// X1     |