doc: fix merge-base ASCII art tab spacing

diff --git a/userdiff.c b/userdiff.c
index 2ccbee50cb69171062e84c9a1b36baf7e31be2f8..6bf2505994b1d1054604b84d49faeb45eb6a9534 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -35,6 +35,8 @@ IPATTERN("fortran",
          * they would have been matched above as a variable anyway. */
         "|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?"
         "|//|\\*\\*|::|[/<>=]="),
+IPATTERN("fountain", "^((\\.[^.]|(int|ext|est|int\\.?/ext|i/e)[. ]).*)$",
+        "[^ \t-]+"),
 PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$",
         "[^<>= \t]+"),
 PATTERNS("java",