Make MAX_SHORT_STRING an implementation detail of the "value" code.

MAX_SHORT_STRING used to be important.  It was referenced all over the
source tree.  Now, there is little reason for code outside the "value"
code itself to use it.

diff --git a/src/data/value.h b/src/data/value.h
index 90f8575356a24a873a0dbf4f9df41d60d8fca1ce..a28b1855bb1ee2acc0fae1a28e2660ac9330ab3d 100644 (file)
--- a/src/data/value.h
+++ b/src/data/value.h
@@ -23,6 +23,11 @@
 #include <string.h>
 #include "xalloc.h"
 \f
+/* Maximum length of a "short" string, that is represented in
+   "union value" without a separate pointer.
+
+   This is an implementation detail of the "union value" code.
+   There is little reason for client code to use it. */
 #define MAX_SHORT_STRING 8
 
 /* A numeric or string value.