patch 7.4.1976
Problem: Number variables are not 64 bits while they could be.
Solution: Add the num64 feature. (Ken Takata)
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 067ae6e..31f1a1b 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -390,6 +390,7 @@
m *+mzscheme* Mzscheme interface |mzscheme|
m *+mzscheme/dyn* Mzscheme interface |mzscheme-dynamic| |/dyn|
m *+netbeans_intg* |netbeans|
+ *+num64* 64-bit Number support |Number|
m *+ole* Win32 GUI only: |ole-interface|
N *+packages* Loading |packages|
N *+path_extra* Up/downwards search in 'path' and 'tags'