--- /dev/null
+# These are tests of \C that do not involve UTF. They are not run when \C is
+# disabled by compiling with --enable-never-backslash-C.
+
+/\C+\D \C+\d \C+\S \C+\s \C+\W \C+\w \C+. \C+\R \C+\H \C+\h \C+\V \C+\v \C+\Z \C+\z \C+$/Bx
+------------------------------------------------------------------
+ Bra
+ AllAny+
+ \D
+ AllAny+
+ \d
+ AllAny+
+ \S
+ AllAny+
+ \s
+ AllAny+
+ \W
+ AllAny+
+ \w
+ AllAny+
+ Any
+ AllAny+
+ \R
+ AllAny+
+ \H
+ AllAny+
+ \h
+ AllAny+
+ \V
+ AllAny+
+ \v
+ AllAny+
+ \Z
+ AllAny++
+ \z
+ AllAny+
+ $
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D+\C \d+\C \S+\C \s+\C \W+\C \w+\C .+\C \R+\C \H+\C \h+\C \V+\C \v+\C a+\C \n+\C \C+\C/Bx
+------------------------------------------------------------------
+ Bra
+ \D+
+ AllAny
+ \d+
+ AllAny
+ \S+
+ AllAny
+ \s+
+ AllAny
+ \W+
+ AllAny
+ \w+
+ AllAny
+ Any+
+ AllAny
+ \R+
+ AllAny
+ \H+
+ AllAny
+ \h+
+ AllAny
+ \V+
+ AllAny
+ \v+
+ AllAny
+ a+
+ AllAny
+ \x0a+
+ AllAny
+ AllAny+
+ AllAny
+ Ket
+ End
+------------------------------------------------------------------
+
+/ab\Cde/never_backslash_c
+Failed: error 183 at offset 4: using \C is disabled by the application
+
+/ab\Cde/info
+Capturing subpattern count = 0
+Contains \C
+First code unit = 'a'
+Last code unit = 'e'
+Subject length lower bound = 5
+ abXde
+ 0: abXde
+
+/(?<=ab\Cde)X/
+ abZdeX
+ 0: X
+
+# End of testinput21