Enable inheritance of key requirements (fixes #653)

latex3 · Jan 8, 2020 · ddd1b57 · ddd1b57
1 parent 22a1b3a
commit ddd1b57
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 0 deletions.
diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
@@ -15,6 +15,7 @@ this project uses date-based 'snapshot' version identifiers.
 - Distribute LaTeX3 News
 
 ### Fixed
+- Inherit key required/forbidden properties (see #653)
 - Set backend at the beginning of `\document` (see #657)
 
 ## [2019-11-07]

diff --git a/l3kernel/l3keys.dtx b/l3kernel/l3keys.dtx
@@ -2523,6 +2523,7 @@
           { \c_@@_code_root_tl ##1 / \l_keys_key_tl }
           {
             \tl_set:Nn \l_@@_inherit_tl {##1}
+            \cs_if_exist_use:c { \c_@@_validate_root_tl ##1 / \l_keys_key_tl }
             \cs:w \c_@@_code_root_tl ##1 / \l_keys_key_tl
               \exp_after:wN \cs_end: \exp_after:wN
               { \l_keys_value_tl }