Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/master/log_error b/doc/master/log_error
new file mode 100644
index 0000000..afc3385
--- /dev/null
+++ b/doc/master/log_error
@@ -0,0 +1,11 @@
+SYNOPSIS
+ void log_error(string file, string err)
+
+DESCRIPTION
+ Announce a compiler-time error in the named file. Whenever the
+ LPC compiler detects an error, this function is called. It
+ should at least log the error in a file, and also announce it
+ to the active user.
+
+SEE ALSO
+ runtime_error(M)