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From: Daniel Shahaf <danielsh@apache.org>
To: zsh-workers@zsh.org
Subject: [PATCH] internal: Document the difference between paramtab and realparamtab.
Date: Thu, 23 Jan 2020 03:14:45 +0000
Message-ID: <20200123031445.8810-1-danielsh@apache.org> (raw)

---
 Src/params.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Src/params.c b/Src/params.c
index 730df33b6..fd7e31474 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -478,7 +478,13 @@ static initparam argvparam_pm = IPDEF9("", &pparams, NULL, \
 
 static Param argvparam;
 
-/* hash table containing the parameters */
+/* "parameter table" - hash table containing the parameters
+ *
+ * realparamtab always points to the shell's global table.  paramtab is sometimes
+ * temporarily changed to point at another table, while dealing with the keys
+ * of an associative array (for example, see makecompparams() which initializes
+ * the associative array ${compstate}).
+ */
  
 /**/
 mod_export HashTable paramtab, realparamtab;

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