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-rw-r--r--macros/optex/base/prefixed.opm10
1 files changed, 5 insertions, 5 deletions
diff --git a/macros/optex/base/prefixed.opm b/macros/optex/base/prefixed.opm
index 6dec64c7e5..d15ee4140d 100644
--- a/macros/optex/base/prefixed.opm
+++ b/macros/optex/base/prefixed.opm
@@ -175,12 +175,12 @@ In this documentation: if both variants of a control sequence are declared
the unprefixed variant. The code typically defines the prefixed variant
and then the \^`\public` (or `\_public`) macro is used.
-\secc Namespace of control sequences for users
+\secc[user-ns] Namespace of control sequences for users
-Users can define or declare any control sequence with a name without any `_`.
-This does not make any problem. Only one exception is the reserved control
-sequence `\par`. It is generated by the tokenizer (at empty lines)
-and used as internal in \TeX/.
+Users can (re)define or (re)declare any control sequence with a name without any `_`.
+This does not make any problem in internal \OpTeX/ macros.\fnote
+{The token `\par` is in user name space too from \OpTeX/ 1.04+ and
+Lua\TeX/ 1.14, see also the end of section~\ref[others].}
User can define or declare control sequences with `_` character, for
example `\my_control_sequence`, but with the following exceptions: