A "vnd.dovecot.config.<identifier>" environment item maps to the content of the matching sieve_env_<identifier> plugin setting.

lib-sieve: environment extension: Added support for wildcard environment items that are identified by a name prefix.

lib-sieve: variables extension: Substitution of an invalid namespace canceled the substitution, rather than substituting the empty string.

lib-sieve: variables extension: Increased the maximum number of namespace elements in a variable name.

Bug was exposed by previous change. Normally, this would not surface.

There is no reason to forbid an empty Sieve script.

Clang -Wvargargs complained about passing a bool argument to va_start().

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Addresses a FIXME.
Caused a warning with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

lib-sieve: file storage: The try_hardlink parameter of file_copy() is of type bool, rather than int.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

lib-sieve: script: The return type of binary_dump_metadata() is supposed to be bool rather than int.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Mixed up bool and int return types.
Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Mixed up bool and int return types.
Found with clang -Wstrict-bool.

Mixed up bool and int return types.
Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Found with clang -Wstrict-bool.

Erroneously assumed the number of reserved bytes (for the return code) could not decrease.

perl -i -pe 's/unsigned int ([^,:;]+):1;/bool $1:1;/' **/*.[ch]

lib-sieve: util: program-client-remote: Made the program_client_istream implementation cleaner and more logical.

It was too hard to understand.

lib-sieve: util: program-client: Fixed position of the seekable stream for the output of remote programs.

It would now make the output of the script service seekable, rather than the output of the program.
This adds a '+' at the end of the data.
This showed up for the extprograms filter command.