Address #49
commita3e6ad6451cb9ef6c538d643eabc00443aeb0461
authormalc <moosotc@gmail.com>
Tue, 13 Jun 2017 17:02:11 +0000 (13 20:02 +0300)
committermalc <moosotc@gmail.com>
Tue, 13 Jun 2017 17:02:11 +0000 (13 20:02 +0300)
tree2159d5f398425fce15cf27c28aa9aecc6b8d77db
parent6f05c0daea18683f0da4dd34ac6b2c207bb4182e
Address #49

I.e. avoid using Char.chr on possibly invalid input when the real char
is available.
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