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+[[!meta title="Perso-Arabic Input Methods And Making More Emacs Apps BIDI Aware"]]
+[[!meta copyright="Copyright © 2021 Mohsen BANAN"]]
+[[!inline pages="internal(2021/info/bidi-nav)" raw="yes"]]
+
+<!-- You can manually edit this file to update the abstract, add links, etc. --->
+
+
+# Perso-Arabic Input Methods And Making More Emacs Apps BIDI Aware
+Mohsen BANAN
+
+
+# Table of Contents
+
+
+
+Starting with Emacs 24, full native bidi
+(bidirectional) support became available.  For
+many years prior to that Unicode support was
+available and by around year 2000, reasonable
+open-source shaping libraries were also available.
+
+With these in place at around 2012, I developed
+two Persian input methods for emacs. These input
+methods or variations of them can also be used
+Arabic and other persoarabic scripts.
+
+With all of these in place, Emacs has now become
+the ne plus ultra Halaal/Convivial usage
+environment for persoarabic users.
+
+Since emacs comes loaded with everything (Gnus
+for email, Bbdb for address books, XeLaTeX modes
+for typesetting, org-mode for organization, spell
+checkers, completions, calendar, etc.), all basic
+computing and communication needs of persoarabic
+users can be addressed in one place and
+cohesively.
+
+In this talk I will demonstrate what a wonderful
+environment that can be.
+
+-   40 minutes: (brief description/outline)
+    
+    My talk will be in two parts.
+    
+    In Part 1, I cover persian input methods. With an
+    emphasis on &lsquo ;Banan Multi-Character (Reverse)
+    Transliteration Persian Input Method&rsquo;. The
+    software is part of base emacs distribution.
+    Full documentation is available at:
+           Persian Input Methods
+           For Emacs And More Broadly Speaking
+           شیوه‌هایِ درج به فارسی‌
+           <http://mohsen.1.banan.byname.net/PLPC/120036>
+    
+    In Part 2, I will cover the ramifications of bidi
+    on existing emacs applications, including:
+    
+    -   Gnus:
+        -   Persoarabic rich email sending in HTML.
+        -   Ramifications of bidi on from, to and
+            subject lines.
+    
+    -   Bbdb: Ramifications of bidi on display and
+        completion.
+    
+    -   Calendar:
+        -   Ramifications of bidi on display.
+        -   Use of persian text for Persian (solar) calendar.
+        -   Use of arabic text for Muslem (lunar)  calendar.
+    
+    -   AUCTeX: Persian typesetting with XeLaTeX
+
+
+
+[[!inline pages="internal(2021/info/bidi-schedule)" raw="yes"]]
+
+[[!inline pages="internal(2021/info/bidi-nav)" raw="yes"]]
diff --git a/2021/talks/bindat.md b/2021/talks/bindat.md
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+[[!meta title="Turbo Bindat"]]
+[[!meta copyright="Copyright &copy; 2021 Stefan Monnier"]]
+[[!inline pages="internal(2021/info/bindat-nav)" raw="yes"]]
+
+<!-- You can manually edit this file to update the abstract, add links, etc. --->
+
+
+# Turbo Bindat
+Stefan Monnier
+
+
+# Table of Contents
+
+
+
+Bindat is an ELisp library to help manipulate binary data. This is a
+niche library that is used by packages such as Websocket, EMMS, and
+cpio-mode. Its implementation was repeatedly caught harassing hapless
+kitten while at the same time providing poor service slowly. For
+Emacs-28, Bindat was rewritten so as to make it more efficient and
+flexible while respecting the kitten. In this presentation I intent to
+show how we saved those. Not recommended for birds.
+
+-   ~20 minutes:
+    5 min: Intro and presentation of Bindat
+    5 min: Showcase some of its problems
+    5 min: Present the new design
+    5 min: Examples of what can be done with it
+
+
+
+[[!inline pages="internal(2021/info/bindat-schedule)" raw="yes"]]
+
+[[!inline pages="internal(2021/info/bindat-nav)" raw="yes"]]