Don't annotate partial branches with -1, use 'exit' instead.

1 files changed, 7 insertions, 1 deletions

diff --git a/coverage/html.py b/coverage/html.py
index 3877c834..fcab6f4a 100644
--- a/coverage/html.py
+++ b/coverage/html.py
@@ -89,7 +89,13 @@ class HtmlReporter(Reporter):
             elif self.arcs and lineno in missing_branch_arcs:
                 line_class += c_par
                 n_par += 1
-                annotate = " ".join(map(str, missing_branch_arcs[lineno]))
+                annlines = []
+                for b in missing_branch_arcs[lineno]:
+                    if b == -1:
+                        annlines.append("exit")
+                    else:
+                        annlines.append(str(b))
+                annotate = " ".join(annlines)
             elif lineno in analysis.statements:
                 line_class += c_run