diff -up a2ps-4.15.5/doc/a2ps.texi.nodes a2ps-4.15.5/doc/a2ps.texi
--- a2ps-4.15.5/doc/a2ps.texi.nodes	2023-07-25 18:04:09.076935779 +0200
+++ a2ps-4.15.5/doc/a2ps.texi	2023-07-25 18:11:46.197081542 +0200
@@ -342,11 +342,11 @@ Contributions
 
 Frequently asked questions
 
-* Why Does ...?::               Questions on Error
-* How Can I ...?::              a2ps' How-To
-* Please tell me...::           Existential Questions on a2ps
+* Why Does?::                   Questions on Error
+* How Can I?::                  a2ps' How-To
+* Please tell me::              Existential Questions on a2ps
 
-Why Does...?
+Why Does?
 
 * It Prints Nothing::           The printer issues nothing
 * It Prints in Simplex::        While I asked for Duplex
@@ -356,7 +356,7 @@ Why Does...?
 * It Says my File is Binary::   And refuses to print it
 * It Refuses to Change the Font Size::
 
-How Can I ...?
+How Can I?
 
 * Leave Room for Binding::      Specifying Margins
 * Print stdin::                 Using a2ps in a pipe chain
@@ -365,7 +365,7 @@ How Can I ...?
 * Pass Options to lpr::         Disable the banner
 * Man Pages with Underlines::   Now it Prints With Italics
 
-Please tell me...
+Please tell me
 
 * Is a2ps Y2K compliant?::      Printing dates in short format
 * Why not using yacc::          Why Using Style Sheets
@@ -5841,13 +5841,13 @@ question about the options, etc.  It has
 suggestions, not to contact the authors.
 
 @menu
-* Why Does ...?::               Questions on Error
-* How Can I ...?::              a2ps' How-To
-* Please tell me...::           Existential Questions on a2ps
+* Why Does?::                   Questions on Error
+* How Can I?::                  a2ps' How-To
+* Please tell me::              Existential Questions on a2ps
 @end menu
 
-@node Why Does ...?
-@section Why Does...?
+@node Why Does?
+@section Why Does?
 
 Error related questions.
 
@@ -6069,8 +6069,8 @@ Note that the `pure' options (no side-ef
 virtual pages are @samp{--columns} and @samp{--rows}.
 
 @c -----------------------------How can I ? ------------------------------
-@node How Can I ...?
-@section How Can I ...?
+@node How Can I?
+@section How Can I?
 
 A mini how-to on @pack{}.
 
@@ -6152,8 +6152,8 @@ Use @samp{a2ps --pro=ul}.
 
 
 @c -------------------------- Please Tell me ? ------------------------------
-@node Please tell me...
-@section Please tell me...
+@node Please tell me
+@section Please tell me
 
 Wondering something?
 
diff -up a2ps-4.15.5/doc/regex.texi.nodes a2ps-4.15.5/doc/regex.texi
--- a2ps-4.15.5/doc/regex.texi.nodes	2022-05-01 14:00:35.000000000 +0200
+++ a2ps-4.15.5/doc/regex.texi	2023-07-25 18:04:09.094935900 +0200
@@ -121,7 +121,7 @@ Regular Expression Syntax
 
 * Syntax Bits::
 * Predefined Syntaxes::
-* Collating Elements vs. Characters::
+* Collating Elements vs Characters::
 * The Backslash Character::
 
 Common Operators
@@ -305,7 +305,7 @@ In the following sections, we describe t
 @menu
 * Syntax Bits::
 * Predefined Syntaxes::
-* Collating Elements vs. Characters::
+* Collating Elements vs Characters::
 * The Backslash Character::
 @end menu
 
@@ -470,7 +470,7 @@ operator (based on how @code{RE_NO_BK_PA
 @end table
 
 
-@node Predefined Syntaxes, Collating Elements vs. Characters, Syntax Bits, Regular Expression Syntax
+@node Predefined Syntaxes, Collating Elements vs Characters, Syntax Bits, Regular Expression Syntax
 @section Predefined Syntaxes
 
 If you're programming with Regex, you can set a pattern buffer's
@@ -552,8 +552,8 @@ The predefined syntaxes--taken directly
    | RE_NO_BK_VBAR          | RE_UNMATCHED_RIGHT_PAREN_ORD)
 @end example
 
-@node Collating Elements vs. Characters, The Backslash Character, Predefined Syntaxes, Regular Expression Syntax
-@section Collating Elements vs.@: Characters
+@node Collating Elements vs Characters, The Backslash Character, Predefined Syntaxes, Regular Expression Syntax
+@section Collating Elements vs@: Characters
 
 @sc{posix} generalizes the notion of a character to that of a
 collating element.  It defines a @dfn{collating element} to be ``a
@@ -577,7 +577,7 @@ collating element.  For example, the Spa
 Since @sc{posix}'s ``collating element'' preserves the essential idea of
 a ``character,'' we use the latter, more familiar, term in this document.
 
-@node The Backslash Character,  , Collating Elements vs. Characters, Regular Expression Syntax
+@node The Backslash Character,  , Collating Elements vs Characters, Regular Expression Syntax
 @section The Backslash Character
 
 @cindex @samp{\}