Add dummy .fury file

.fury

@@ -0,0 +1,13 @@
+ecosystem vent 3 https://github.com/propensive/vent main
+
+command build fulminate/core
+
+project fulminate
+  name         Fulminate
+  website      https://github.com/propensive/fulminate
+  description  Rich and composable error messages
+
+  module core
+    compiler  scala
+    sources   src/core
+    include   anticipation/css  anticipation/http  symbolism/core  anticipation/text  anticipation/http

doc/slogan.md

@@ -0,0 +1 @@
+Rich and composable error messages

src/core/exceptions.scala

@@ -76,8 +76,9 @@ case class Message(textParts: List[Text], subs: List[Message] = Nil):
 
     recur(string.split("\n").nn.map(_.nn).to(List), false)
 
-transparent abstract class Error(val message: Message, private val cause: Error | Null = null)
-extends Exception():
+transparent abstract class Error
+    (val message: Message, private val cause: Error | Null = null, hideStack: Boolean = false)
+extends Exception(message.text.s, cause, false, !hideStack):
   this: Error =>
   def fullClass: List[Text] = List(getClass.nn.getName.nn.split("\\.").nn.map(_.nn).map(Text(_))*)
   def className: Text = fullClass.last