updated for version 7.4.101
Problem: Using \1 in pattern goes one line too far. (Bohr Shaw, John Little)
Solution: Only advance the match end for the matched characters in the last
line.
diff --git a/src/regexp.c b/src/regexp.c
index 075374d..f1e8909 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -6455,7 +6455,8 @@
/*
* Check whether a backreference matches.
* Returns RA_FAIL, RA_NOMATCH or RA_MATCH.
- * If "bytelen" is not NULL, it is set to the bytelength of the whole match.
+ * If "bytelen" is not NULL, it is set to the byte length of the match in the
+ * last line.
*/
static int
match_with_backref(start_lnum, start_col, end_lnum, end_col, bytelen)
@@ -6511,6 +6512,8 @@
/* Advance to next line. */
reg_nextline();
+ if (bytelen != NULL)
+ *bytelen = 0;
++clnum;
ccol = 0;
if (got_int)