Merge branch 'master' into sdl2.0

There are problems with im that should be investigated...

docs/CHANGES.txt

@@ -8,7 +8,7 @@ http://www.tuxpaint.org/
 
 $Id$
 
-2021.September.29 (0.9.28)
+2021.October.24 (0.9.27)
   * New Magic Tools:
     ----------------
     * "Lightning" - Draws a bolt of lightning striking between
@@ -28,6 +28,9 @@ $Id$
     * "Smooth Rainbow" - A smooth, gradient variation of the classic
       "Rainbow" Magic tool.
 
+    * "Stretch" - Squish and stretch parts of your picture, giving a
+      fun-house mirror effect.
+
   * Magic Tool Improvements:
     ------------------------
     * "Halftone" works much better, drawing large overlapping circles
@@ -42,6 +45,10 @@ $Id$
 
   * Other Improvements:
     -------------------
+    * New "Fill" tool mode: "Brush".  Similar to classic flood fill,
+      but only fills as you move the brush within the area to be
+      filled.
+
     * Grouped similar Magic tools into sections.
       (e.g., all of the distortions, versus painting tools, versus
       full-image effects, etc.)
@@ -79,6 +86,9 @@ $Id$
       (e.g., when returning from the "Open" dialog).
       (Closes https://sourceforge.net/p/tuxpaint/feature-requests/186/)
 
+    * Allowing Left [Alt] key for switching to Japanese input method.
+      TOYAMA Shin-ichi <shin1@wmail.plala.or.jp>
+
   * Documentation updates:
     ---------------------
     * Ensured Tux Paint's built-in help ("tuxpaint --help"),
@@ -150,6 +160,16 @@ $Id$
       as the drawing surface, if buttonsize was adjusted.
       (Adversely affected "Shift" magic tool.)
 
+    * Remove some old Win32-specific code to handle multibyte
+      characters, which could cause a crash bug when using the
+      on-screen keyboard under Windows.  (Older mingw/msys did
+      not supply a needed function.)
+      * h/t @Miyagi_Andel on Twitter for reporting the crash
+      * h/t Pere Pujal i Carabantes for confirming how to reproduce it
+      * TOYAMA Shin-ichi <shin1@wmail.plala.or.jp> dropped the old
+        code and rebuilt Tux Paint 0.9.26 for Win32 as 0.9.26-5
+      * Note: This means dropping support for Windows 2000 & XP 
+
   * Ports & Building
     ----------------
     * Fix compilation error on Linux with HOST environment variable set.
@@ -159,9 +179,29 @@ $Id$
       $HOST env. var. is set.
       Mark K. Kim <markuskimius@gmail.com>
 
-    * Include "AppVersion" directive to Windows installer ISS file.
+    * Include "AppVersion" directive to Windows installer Inno Setup
+      recipe file (.iss).
       Easton Pillay <https://sourceforge.net/u/jedieaston/profile/>
 
+    * Other Windows installer updates:
+      + Updated to Inno Setup 6
+      + 64-bit version now to be installed in the standard "Program Files"
+        folder on 64-bit architecture instead of "Program Files (x86)" as before.
+      + 64-bit installer will invoke uninstaller for existing old x86 mode
+        installation, if found.
+      + Updated translation files for the installer
+      + Added language specification to start menu shorcuts for which
+        translation is supported both for the web site and installer.
+      + Disabled start menu shortcut to outdated translations of README.html.
+      + Remove old OpenCandy stuff from Windows .iss file.
+      TOYAMA Shin-ichi <shin1@wmail.plala.or.jp>
+
+    * Added shell script to build windows installer and portable zip archive.
+      TOYAMA Shin-ichi <shin1@wmail.plala.or.jp>
+
+    * Further work to remove compiler warnings.
+
+
 2021.June.28 (0.9.26)
   * New Features
     ------------