fix(Usage Parser): fixes a bug where literal single quotes weren't al…

…lowed in help strings Closes #406
clap-rs · Jan 31, 2016 · 0bcc712 · 0bcc712
1 parent f50b8db
commit 0bcc712
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diff --git a/src/args/arg.rs b/src/args/arg.rs
@@ -206,6 +206,9 @@ impl<'a, 'b> Arg<'a, 'b> {
     /// **NOTE**: Not all settings may be set using the usage string method. Some properties are
     /// only available via the builder pattern.
     ///
+    /// **NOTE**: Only ASCII values in `from_usage` strings are officially supported. Some UTF-8
+    /// codepoints may work just fine, but this is not guaranteed.
+    ///
     /// # Syntax
     ///
     /// Usage strings typically following the form: