print extended characters recently added to alpha char set

diff --git a/Cargo.lock b/Cargo.lock
index 4cc8616b8f28a819b02fdf1246d27f3b5990ce86..535177e5f765f9647929a23420583ddd90b8222e 100644 (file)
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -317,6 +317,7 @@ dependencies = [
 [[package]]
 name = "prolog_parser"
 version = "0.8.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lexical 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rug-adapter 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -452,7 +453,7 @@ dependencies = [
  "nix 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rug-adapter 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ordered-float 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "prolog_parser 0.8.39",
+ "prolog_parser 0.8.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rug 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustyline 5.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -613,6 +614,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum num-traits 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "443c53b3c3531dfcbfa499d8893944db78474ad7a1d87fa2d94d1a2231693ac6"
 "checksum ordered-float 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7eb5259643245d3f292c7a146b2df53bba24d7eab159410e648eb73dc164669d"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+"checksum prolog_parser 0.8.39 (registry+https://github.com/rust-lang/crates.io-index)" = "021e4a08146013070183a4289404a0a5b8e14e1ea7df80d859e06ea98f67976b"
 "checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"

diff --git a/src/prolog/heap_print.rs b/src/prolog/heap_print.rs
index 98ae63c17f1fa68108428653b82b9fbbeb661070..aa3c97097b97de20c3fcf63a736774aeac98a8a3 100644 (file)
--- a/src/prolog/heap_print.rs
+++ b/src/prolog/heap_print.rs
@@ -147,6 +147,9 @@ fn char_to_string(c: char) -> String {
         '\u{0c}' => "\\f".to_string(), // UTF-8 form feed
         '\u{08}' => "\\b".to_string(), // UTF-8 backspace
         '\u{07}' => "\\a".to_string(), // UTF-8 alert
+        '\u{a0}' ..= '\u{d6}' => c.to_string(),
+        '\u{d8}' ..= '\u{f6}' => c.to_string(),
+        '\u{f8}' ..= '\u{74f}' => c.to_string(),
         '\x20' ..= '\x7e' => c.to_string(),
         _ => format!("\\x{:x}\\", c as u32),
     }