> On 9 Feb 2019, at 00:21, Peng Yu <pengyu...@gmail.com> wrote: > >> %x INITIAL HEREDOC > > I see %x is from flex. Bash can support nested heredoc. How can it be > implemented in flex?
For nested environments one uses a stack, if there are local variables to keep track of. Such switches will then appropriately have to be turned on and off. _______________________________________________ help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison
