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-rw-r--r--emccpre.js6
1 files changed, 5 insertions, 1 deletions
diff --git a/emccpre.js b/emccpre.js
index e2986da..fb58a6a 100644
--- a/emccpre.js
+++ b/emccpre.js
@@ -2,7 +2,11 @@
* emccpre.js: one of the Javascript components of an Emscripten-based
* web/Javascript front end for Puzzles.
*
- * The other parts of this system live in emcc.c and emcclib.js.
+ * The other parts of this system live in emcc.c and emcclib.js. It
+ * also depends on being run in the context of a web page containing
+ * an appropriate collection of bits and pieces (a canvas, some
+ * buttons and links etc), which is generated for each puzzle by the
+ * script html/jspage.pl.
*
* This file contains the Javascript code which is prefixed unmodified
* to Emscripten's output via the --pre-js option. It declares all our