Update Acknowledgments sections

* doc/emacs/ack.texi (Acknowledgments):
* doc/emacs/emacs.texi (Acknowledgments): Update for Emacs 27.

1 files changed, 26 insertions, 1 deletions

diff --git a/doc/emacs/ack.texi b/doc/emacs/ack.texi
index e8d0a4b3a8d..c6224885df3 100644
--- a/doc/emacs/ack.texi
+++ b/doc/emacs/ack.texi
@@ -236,6 +236,12 @@ Andrew Cohen wrote @file{spam-wash.el}, to decode and clean email before
 it is analyzed for spam.
 
 @item
+Daniel Colascione wrote the portable dumping code in @file{pdumper.c}
+and elsewhere.  He also implemented double-buffering for X-based GUI
+frames, and the original support for loading shared-object modules
+into Emacs.
+
+@item
 Theresa O'Connor wrote @file{json.el}, a file for parsing and
 generating JSON files.
 
@@ -503,6 +509,10 @@ Tassilo Horn wrote DocView mode, allowing viewing of PDF, PostScript and
 DVI documents.
 
 @item
+Khaled Hosny, Yamamoto Mitsuharu, and Eli Zaretskii implemented
+text shaping with HarfBuzz for Emacs.
+
+@item
 Joakim Hove wrote @file{html2text.el}, a html to plain text converter.
 
 @item
@@ -702,7 +712,9 @@ files.
 Juri Linkov wrote @file{misearch.el}, extending isearch to multi-buffer
 searches; the code in @file{files-x.el} for handling file- and
 directory-local variables; and the @code{info-finder} feature that
-creates a virtual Info manual of package keywords.
+creates a virtual Info manual of package keywords.  He also
+implemented the Tab Bar and window tab-lines, and added numerous
+enhancements and improvements in I-search.
 
 @item
 Leo Liu wrote @file{pcmpl-x.el}, providing completion for
@@ -818,6 +830,11 @@ major modes by inheriting key bindings and commands from existing major
 modes.
 
 @item
+Jimmy Aguilar Mena wrote the code to support the @code{:extend} face
+attribute, and also implemented the optional
+@code{display-fill-column-indicator} feature.
+
+@item
 Will Mengarini wrote @file{repeat.el}, a command to repeat the preceding
 command with its arguments.
 
@@ -1084,6 +1101,10 @@ Kevin Ryde wrote @file{info-xref.el}, a library for checking
 references in Info files.
 
 @item
+Phil Sainty wrote @file{so-long.el}, a set of features for easier
+editing of files with very long lines.
+
+@item
 James B. Salem and Brewster Kahle wrote @file{completion.el}, providing
 dynamic word completion.
 
@@ -1235,6 +1256,10 @@ Tibor Šimko and Milan Zamazal wrote @file{slovak.el}, support for
 editing text in Slovak language.
 
 @item
+João Távora wrote many improvements for @file{flymake.el}, an
+on-the-fly syntax-checking package.
+
+@item
 Luc Teirlinck wrote @file{help-at-pt.el}, providing local help through
 the keyboard.