1 files changed, 24 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibr/esc.r b/unix/boot/spp/rpp/ratlibr/esc.r
new file mode 100644
index 00000000..bcb0d3a7
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibr/esc.r
@@ -0,0 +1,24 @@
+include	defs
+
+# esc - map array (i) into escaped character if appropriate
+
+   character function esc (array, i)
+   character array (ARB)
+   integer i
+
+   if (array (i) != ESCAPE)
+      esc = array (i)
+   else if (array (i+1) == EOS)    # @ not special at end
+      esc = ESCAPE
+   else {
+      i = i + 1
+      if (array (i) == LETN | array (i) == BIGN)
+	 esc = NEWLINE
+      else if (array (i) == LETT | array (i) == BIGT)
+	 esc = TAB
+      else
+	 esc = array (i)
+      }
+
+   return
+   end