regcomp.c: Add two tricky fold cases

These two characters fold to lower-case characters that are involved
in tricky folds, and hence these can be too.

diff --git a/regcomp.c b/regcomp.c
index 08cf6a9..b9730f9 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -8821,6 +8821,9 @@ tryagain:
                            latest_char_state = generic_char;
                            break;
                        case 0x03C5:    /* First char in upsilon series */
+                       case 0x03A5:    /* Also capital UPSILON, which folds to
+                                          03C5, and hence exhibits the same
+                                          problem */
                            if (p < RExC_end - 4) { /* Need >= 4 bytes left */
                                latest_char_state = upsilon_1;
                                if (len != 0) {
@@ -8833,6 +8836,7 @@ tryagain:
                            }
                            break;
                        case 0x03B9:    /* First char in iota series */
+                       case 0x0399:    /* Also capital IOTA */
                            if (p < RExC_end - 4) {
                                latest_char_state = iota_1;
                                if (len != 0) {