diff --git a/base/doc-v3beta.sty b/base/doc-v3beta.sty
index 2158fd0d6..eeac71568 100644
--- a/base/doc-v3beta.sty
+++ b/base/doc-v3beta.sty
@@ -51,7 +51,7 @@
 \DeclareCurrentRelease{v3}{2018-04-16}
 
 \ProvidesPackage{doc-v3beta}
-  [2021/02/05 v3.0c
+  [2021/02/07 v3.0e
    Standard LaTeX documentation package V3 (FMi)]
 %%
 %% Package `doc' to use with LaTeX 2e
@@ -78,6 +78,7 @@
 \DeclareStringOption{idxtype}
 \DeclareStringOption{idxgroup}
 \DeclareStringOption{printtype}
+\DeclareBoolOption[false]{outer}
 \ProcessKeyvalOptions*
 \newif\ifscan@allowed    \scan@allowedtrue
 \def\SetupDoc#1{%
@@ -394,11 +395,11 @@
 }
 \cs_new:Npn \__doc_dont_index:n #1 {
   \group_end:
-  \__doc_trace:x{Disable~ indexing~ for~ '\exp_not:n{#1}' }
-  \clist_map_function:nN {#1} \__doc_dont_index:N
+  \__doc_trace:x{Disable~ indexing~ for~ '\tl_to_str:n{#1}' }
+  \clist_map_function:nN {#1} \__doc_dont_index_aux:n
 }
-\cs_new:Npn \__doc_dont_index:N #1 {
-  \seq_put_right:Nx \l__doc_donotindex_seq {\cs_to_str:N #1}
+\cs_new:Npn \__doc_dont_index_aux:n #1 {
+  \seq_put_right:Nx \l__doc_donotindex_seq {\expandafter\@gobble \string#1}
 }
 \cs_set_eq:NN \DoNotIndex \doc_dont_index:n
 \def \ShowIndexingState {
@@ -948,7 +949,6 @@
 }
 
 \ExplSyntaxOff
-
 \long\def\@doc@env@#1#2#3{%
   \topsep\MacroTopsep
   \trivlist
@@ -989,10 +989,11 @@
     \fi
     \ifdoc@noindex\else
       \global\advance\c@CodelineNo\@ne
-      \@nameuse{SpecialMain#2Index}{#3}\nobreak
+      \csname SpecialMain#2Index\expandafter\endcsname
+        \expandafter{\saved@macroname}\nobreak
       \global\advance\c@CodelineNo\m@ne
     \fi
-    \if#1\expandafter\DoNotIndex \csname \saved@indexname\endcsname \fi
+    \if#1\expandafter\DoNotIndex \expandafter {\saved@macroname}\fi
     \ignorespaces}
 
 \def\doc@env#1#2[#3]{%
@@ -1000,7 +1001,9 @@
   \@nameuse{doc@noindex\doc@noindexdefault}%
   \setkeys{doc}{#3}%
   \begingroup
-    \catcode`\\12
+    \ifdoc@outer
+      \catcode`\\12
+    \fi
     \MakePrivateLetters
     \@doc@env{#1}{#2}%
 }
diff --git a/base/ltmath.dtx b/base/ltmath.dtx
index 8e84d51b5..ca90e1980 100644
--- a/base/ltmath.dtx
+++ b/base/ltmath.dtx
@@ -516,7 +516,7 @@
 
 %
 %    \begin{macro}{\tmspace}
-%    \begin{macro}{{\,}}
+%    \begin{macro}{\,}
 %    \begin{macro}{\thinspace}
 %    \begin{macro}{\!}
 %    \begin{macro}{\negthinspace}
diff --git a/required/tools/bm.dtx b/required/tools/bm.dtx
index 80c73f571..77e2e5470 100644
--- a/required/tools/bm.dtx
+++ b/required/tools/bm.dtx
@@ -977,7 +977,7 @@
 % \end{macro}
 % \end{macro}
 %
-% \begin{macro}{\bm@end}
+% \begin{macro}[outer]{\bm@end}
 % \changes{v0.10}{1997/01/04}
 %      {Macro added}
 % Normally speaking |\outer| declarations should be avoided at all