preproc: %strcat directive to concatenate quoted strings

I noticed there was no sane way to concatenate the contents of quoted
strings, so add the %strcat directive.

These really need to become preprocessor functions at some stage.

1 files changed, 1 insertions, 0 deletions

diff --git a/pptok.dat b/pptok.dat
index a30dd7e..aa1af8a 100644
--- a/pptok.dat
+++ b/pptok.dat
@@ -44,6 +44,7 @@
 %repl
 %rotate
 %stacksize
+%strcat
 %strlen
 %substr
 %undef