Correctly highlight multiline console input, even without PS2 prompt (#1833)

1 files changed, 7 insertions, 4 deletions

diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
index 5539e812..099782a0 100644
--- a/pygments/lexers/shell.py
+++ b/pygments/lexers/shell.py
@@ -192,10 +192,13 @@ class ShellSessionBaseLexer(Lexer):
                                    [(0, Generic.Prompt, m.group(1))]))
                 curcode += m.group(2)
                 backslash_continuation = curcode.endswith('\\\n')
-            elif line.startswith(self._ps2) and backslash_continuation:
-                insertions.append((len(curcode),
-                                   [(0, Generic.Prompt, line[:len(self._ps2)])]))
-                curcode += line[len(self._ps2):]
+            elif backslash_continuation:
+                if line.startswith(self._ps2):
+                    insertions.append((len(curcode),
+                                    [(0, Generic.Prompt, line[:len(self._ps2)])]))
+                    curcode += line[len(self._ps2):]
+                else:
+                    curcode += line
                 backslash_continuation = curcode.endswith('\\\n')
             else:
                 if insertions: