[flang-commits] [flang] [llvm] [flang-rt] enable IsNamelistNameOrSlash lookahead for scalar namelist items (PR #211224)

[Eugene Epshteyn via flang-commits]

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@@ -469,6 +469,12 @@ print *, is_contiguous(a(::2))                   ! prints T in Flang
 * A `NAMELIST` input group may omit its trailing `/` character if
   it is followed by another `NAMELIST` input group.
 * A `NAMELIST` input group may begin with either `&` or `$`.
+* In `NAMELIST` input, an assignment to a scalar item may omit its
+  value (e.g. `l=`, immediately followed by the next name-value pair,
+  the group terminator, or end-of-record).  F2023 13.11.3.2 requires a
+  value to follow the `=` for a scalar item, but classic nvfortran and
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eugeneepshteyn wrote:

Please give a small example here, like you did in the PR description.

https://github.com/llvm/llvm-project/pull/211224