Fix error A-j is not a known key

Work towards #589
NeoVintageous · Jun 16, 2019 · 8dfc949 · 8dfc949
1 parent bcfeeff
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 
 ## 1.16.3 - Unreleased
 
+* Fixed [#589](https://github.com/NeoVintageous/NeoVintageous/issues/589):  error `'A-j'` is not a known key
 * Fixed [#587](https://github.com/NeoVintageous/NeoVintageous/issues/587): `:wall` should only save dirty views
 
 ## 1.16.2 - 2019-06-14

diff --git a/nv/mappings.py b/nv/mappings.py
@@ -61,7 +61,10 @@ def _find_full_match(mode, lhs):
 
 def _normalise_lhs(lhs):
     # type: (str) -> str
-    return ''.join(KeySequenceTokenizer(expand_keys(lhs)).iter_tokenize())
+    try:
+        return ''.join(KeySequenceTokenizer(expand_keys(lhs)).iter_tokenize())
+    except ValueError:
+        return lhs
 
 
 def mappings_add(mode, lhs, rhs):