target-lexicon 0.10.0

diff --git a/src/targets.rs b/src/targets.rs
index 6ae570e..3aa1044 100644
--- a/src/targets.rs
+++ b/src/targets.rs
@@ -1,6 +1,7 @@
 // This file defines all the identifier enums and target-aware logic.
 
 use crate::triple::{Endianness, PointerWidth, Triple};
+use alloc::string::String;
 use core::fmt;
 use core::str::FromStr;
 
@@ -292,7 +293,7 @@ impl Aarch64Architecture {
 
 /// The "vendor" field, which in practice is little more than an arbitrary
 /// modifier.
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
 #[allow(missing_docs)]
 pub enum Vendor {
     Unknown,
@@ -306,6 +307,7 @@ pub enum Vendor {
     Sun,
     Uwp,
     Wrs,
+    Custom(String),
 }
 
 /// The "operating system" field, which sometimes implies an environment, and
@@ -717,6 +719,7 @@ impl fmt::Display for Vendor {
             Vendor::Sun => "sun",
             Vendor::Uwp => "uwp",
             Vendor::Wrs => "wrs",
+            Vendor::Custom(ref name) => name,
         };
         f.write_str(s)
     }
@@ -738,7 +741,20 @@ impl FromStr for Vendor {
             "sun" => Vendor::Sun,
             "uwp" => Vendor::Uwp,
             "wrs" => Vendor::Wrs,
-            _ => return Err(()),
+            custom => {
+                use alloc::borrow::ToOwned;
+                if Architecture::from_str(custom).is_ok()
+                    || OperatingSystem::from_str(custom).is_ok()
+                    || Environment::from_str(custom).is_ok()
+                    || BinaryFormat::from_str(custom).is_ok()
+                {
+                    return Err(());
+                }
+                if custom.find(|c: char| !c.is_ascii_alphanumeric() && c != '_' && c != '.').is_some() {
+                    return Err(());
+                }
+                Vendor::Custom(custom.to_owned())
+            }
         })
     }
 }