Update command line parser argument style detection, add tests. #1785
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Any updates on this? We also have a use case where we need to use a quoted string with an |
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Fixes #1784 (along with an incidental issue uncovered by that ticket).
Edit: Its worth noting that in addition to improving the error reporting in the case of an ambiguity (a putative mix of legacy and posix), this PR also changes the default i from "legacy" to "posix" for that case. See inline comments for more detail.