Add secondary pattern support for pattern
arg
#1144
Merged
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This provides support for secondary patterns whereby segments of a pattern may be removed should there be a missing value within the new
<<
/>>
delimiters.For example,
"<<{1} <<{2} << ({3}) >>>>>>"
might yield"a b (c)"
given no position having missing values. The same pattern would yield"a "
with{2}
being missing and"a b "
with{3}
missing.Fixes: #1118