Bugfix:

When after a \\, \t, or \a, another \t or \a had to be resolved
in copy mode within the same argument, the argument got corrupted.
Found while working on a loosely related bug report
from Fabio Scotoni <fabio at esse dot ch>.

1 files changed, 1 insertions, 1 deletions

diff --git a/roff.c b/roff.c
index be4a0a1c..2d83f452 100644
--- a/roff.c
+++ b/roff.c
@@ -1588,7 +1588,7 @@ mandoc_getarg(char **cpp, int ln, int *pos)
 			switch (cp[1]) {
 			case 'a':
 			case 't':
-				cp[0] = '\t';
+				cp[-pairs] = '\t';
 				/* FALLTHROUGH */
 			case '\\':
 				pairs++;