Delta entries for Configure related changes

[perl5.git] / pod / perlfilter.pod

diff --git a/pod/perlfilter.pod b/pod/perlfilter.pod
index f81ee8a..0744e29 100644 (file)
--- a/pod/perlfilter.pod
+++ b/pod/perlfilter.pod
@@ -294,6 +294,9 @@ becomes M.)
 
    1;
 
+=for apidoc filter_add
+=for apidoc filter_read
+
 All Perl source filters are implemented as Perl classes and have the
 same basic structure as the example above.
 
@@ -562,10 +565,12 @@ or the byteloader, to translate binary code back to source code.
 See for example the limitations in L<Switch>, which uses source filters,
 and thus is does not work inside a string eval, the presence of
 regexes with embedded newlines that are specified with raw C</.../>
-delimiters and don't have a modifier C</x> are indistinguishable from
+delimiters and don't have a modifier C<//x> are indistinguishable from
 code chunks beginning with the division operator C</>. As a workaround
-you must use C<m/.../> or C<m?...?> for such patterns.  See
-L<http://search.cpan.org/perldoc?Switch#LIMITATIONS>
+you must use C<m/.../> or C<m?...?> for such patterns. Also, the presence of
+regexes specified with raw C<?...?> delimiters may cause mysterious
+errors. The workaround is to use C<m?...?> instead.  See
+L<https://search.cpan.org/perldoc?Switch#LIMITATIONS>
 
 Currently the content of the C<__DATA__> block is not filtered.