[patch perl@8102] dos/djgpp update

[p5sagit/p5-mst-13.2.git] / README.hpux

diff --git a/README.hpux b/README.hpux
index 5fbddf7..e850441 100644 (file)
--- a/README.hpux
+++ b/README.hpux
@@ -124,7 +124,7 @@ If these dependent libraries are not listed at shared library creation
 time, you will get fatal "Unresolved symbol" errors at run time when the
 library is loaded.
 
-You may create a shared library that referers to another library, which
+You may create a shared library that refers to another library, which
 may be either an archive library or a shared library.  If this second
 library is a shared library, this is called a "dependent library".  The
 dependent library's name is recorded in the main shared library, but it
@@ -241,6 +241,25 @@ If you are compiling Perl on a remotely-mounted NFS filesystem, the test
 io/fs.t may fail on test #18.  This appears to be a bug in HP-UX and no
 fix is currently available.
 
+=head2 perl -P and //
+
+In HP-UX Perl is compiled with flags that will cause problems if the
+-P flag of Perl (preprocess Perl code with the C preprocessor before
+perl sees it) is used.  The problem is that C<//>, being a C++-style
+until-end-of-line comment, will disappear along with the remainder
+of the line.  This means that common Perl constructs like
+
+    s/foo//;
+
+will turn into illegal code
+
+    s/foo
+
+The workaround is to use some other quoting separator than C<"/">,
+like for example C<"!">:
+
+    s!foo!!;
+
 =head1 AUTHOR
 
 Jeff Okamoto <okamoto@corp.hp.com>