patch 7.4.1783
Problem: The old regexp engine doesn't handle character classes correctly.
(Manuel Ortega)
Solution: Use regmbc() instead of regc(). Add a test.
diff --git a/src/regexp.c b/src/regexp.c
index fada9fe..733d564 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -2544,12 +2544,12 @@
case CLASS_ALNUM:
for (cu = 1; cu <= 255; cu++)
if (isalnum(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_ALPHA:
for (cu = 1; cu <= 255; cu++)
if (isalpha(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_BLANK:
regc(' ');
@@ -2558,32 +2558,32 @@
case CLASS_CNTRL:
for (cu = 1; cu <= 255; cu++)
if (iscntrl(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_DIGIT:
for (cu = 1; cu <= 255; cu++)
if (VIM_ISDIGIT(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_GRAPH:
for (cu = 1; cu <= 255; cu++)
if (isgraph(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_LOWER:
for (cu = 1; cu <= 255; cu++)
if (MB_ISLOWER(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_PRINT:
for (cu = 1; cu <= 255; cu++)
if (vim_isprintc(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_PUNCT:
for (cu = 1; cu <= 255; cu++)
if (ispunct(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_SPACE:
for (cu = 9; cu <= 13; cu++)
@@ -2593,12 +2593,12 @@
case CLASS_UPPER:
for (cu = 1; cu <= 255; cu++)
if (MB_ISUPPER(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_XDIGIT:
for (cu = 1; cu <= 255; cu++)
if (vim_isxdigit(cu))
- regc(cu);
+ regmbc(cu);
break;
case CLASS_TAB:
regc('\t');