From 5c5fbf68034fdd18ddfcd19c9c8b1438af6b5c92 Mon Sep 17 00:00:00 2001
From: Théo Zimmermann
Date: Wed, 1 Apr 2020 16:54:37 +0200
Subject: Clean and fix definitions of options.

- Provide new helper functions in `Goptions` on the model of
  `declare_bool_option_and_ref`;

- Use these helper functions in many parts of the code base
  (encapsulates the corresponding references);

- Move almost all options from `declare_string_option` to
  `declare_stringopt_option` (only "Warnings" continue to use the
  former).  This means that these options now support `Unset` to get
  back to the default setting.  Note that there is a naming
  misalignment since `declare_int_option` is similar to
  `declare_stringopt_option` and supports `Unset`.  When "Warning" is
  eventually migrated to support `Unset` as well, we can remove
  `declare_string_option` and rename `declare_stringopt_option` to
  `declare_string_option`.

- For some vernac options and flags that have an equivalent
  command-line option or flag, implement it like the standard `-set`
  and `-unset`.
---
 kernel/environ.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel')

diff --git a/kernel/environ.ml b/kernel/environ.ml
index 2d2c9a454b..de8692ff21 100644
--- a/kernel/environ.ml
+++ b/kernel/environ.ml
@@ -128,7 +128,7 @@ let empty_env = {
   env_nb_rel = 0;
   env_stratification = {
     env_universes = UGraph.initial_universes;
-    env_sprop_allowed = false;
+    env_sprop_allowed = true;
     env_universes_lbound = Univ.Level.set;
     env_engagement = PredicativeSet };
   env_typing_flags = Declareops.safe_flags Conv_oracle.empty;
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