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-rw-r--r--autoload/LaTeXtoUnicode.vim2
1 files changed, 1 insertions, 1 deletions
diff --git a/autoload/LaTeXtoUnicode.vim b/autoload/LaTeXtoUnicode.vim
index 86420cca..b512a734 100644
--- a/autoload/LaTeXtoUnicode.vim
+++ b/autoload/LaTeXtoUnicode.vim
@@ -348,7 +348,7 @@ endfunction
" be reinstated if needed.
function! s:L2U_SetFallbackMapping(s, k)
let mmdict = maparg(a:s, 'i', 0, 1)
- if empty(mmdict)
+ if empty(mmdict) || !has_key(mmdict, "rhs")
exe 'inoremap <buffer> ' . a:k . ' ' . a:s
return mmdict
endif