doc writing_scripts: Document echo portability issues

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Frank LENORMAND 2020-05-04 12:10:23 +00:00 committed by GitHub
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@ -102,6 +102,8 @@ contain ambiguous characters:
echo "set global scrolloff 999,0" echo "set global scrolloff 999,0"
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For more information about portability issues related to `echo`, refer to https://www.etalabs.net/sh_tricks.html[Rich's sh tricks].
Variable base name Variable base name
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