Allow suffix form for /a /d /l /u

This patch contains the code changes for doing this, but not most of the
pod changes, nor the new .t tests required.  There were already tests in
place to make sure that this didn't break backcompat.

1 files changed, 4 insertions, 2 deletions

diff --git a/regexp.h b/regexp.h
index 92c9ccedfd..c4fa6090ed 100644
--- a/regexp.h
+++ b/regexp.h
@@ -233,7 +233,7 @@ and check for NULL.
     case SINGLE_PAT_MOD:    *(pmfl) |= RXf_PMf_SINGLELINE; break;   \
     case XTENDED_PAT_MOD:   *(pmfl) |= RXf_PMf_EXTENDED;   break
 
-/* Note, includes locale, unicode */
+/* Note, includes charset ones, assumes 0 is the default for them */
 #define STD_PMMOD_FLAGS_CLEAR(pmfl)                        \
     *(pmfl) &= ~(RXf_PMf_FOLD|RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_EXTENDED|RXf_PMf_CHARSET)
 
@@ -276,13 +276,15 @@ and check for NULL.
  * character is bit +1, etc. */
 #define STD_PAT_MODS        "msix"
 
+#define CHARSET_PAT_MODS    ASCII_RESTRICT_PAT_MODS DEPENDS_PAT_MODS LOCALE_PAT_MODS UNICODE_PAT_MODS
+
 /* This string is expected by XS_re_regexp_pattern() in universal.c to be ordered
  * so that the first character is the flag in bit RXf_PMf_STD_PMMOD_SHIFT of
  * extflags; the next character is in bit +1, etc. */
 #define INT_PAT_MODS    STD_PAT_MODS    KEEPCOPY_PAT_MODS
 
 #define EXT_PAT_MODS    ONCE_PAT_MODS   KEEPCOPY_PAT_MODS
-#define QR_PAT_MODS     STD_PAT_MODS    EXT_PAT_MODS
+#define QR_PAT_MODS     STD_PAT_MODS    EXT_PAT_MODS	   CHARSET_PAT_MODS
 #define M_PAT_MODS      QR_PAT_MODS     LOOP_PAT_MODS
 #define S_PAT_MODS      M_PAT_MODS      EXEC_PAT_MODS      NONDESTRUCT_PAT_MODS