some revisions

beginners-guide-android.md

@@ -19,14 +19,13 @@ register with an email.
 
 Make sure to select the following in the online installer (assuming Linux):
 
-* [Qt5.15 Image Formats](doc/img/qt-image-formats.png)
 * [Qt5.15 Desktop, Android](doc/img/qt-desktop-android.png)
 
 Even on Linux you really want the online installer. Yes it's a 1 GB download,
 but it brings all the examples, demos, tutorials, documentation, Qt Designer,
 all QML modules, so you won't miss anything. And you can easily add/remove
-parts later (see `~/Qt/MaintainanceTool` after installation), or install Qt6 in
-parallel in the future.
+parts later (see `~/Qt/MaintainanceTool` after installation), or install Qt6
+in the future (side by side).
 
 
 Cross-compile ECL

beginners-guide-ios.md

@@ -31,14 +31,13 @@ register with an email.
 
 Make sure to select the following in the online installer:
 
-* [Qt5.15 Image Formats](doc/img/qt-image-formats.png)
 * [Qt5.15 macOS, iOS](doc/img/qt-macos-ios.png)
 
 You really want the online installer. Yes it's a 1 GB download, but it brings
 all the examples, demos, tutorials, documentation, Qt Designer, all QML
 modules, so you won't miss anything. And you can easily add/remove parts later
-(see `~/Qt/MaintainanceTool` after installation), or install Qt6 in parallel in
-the future.
+(see `~/Qt/MaintainanceTool` after installation), or install Qt6 in the future
+(side by side).
 
 
 Cross-compile ECL

cpp-lib/cpp/lib.cpp

@@ -9,7 +9,7 @@ QT_BEGIN_NAMESPACE
 QObject* ini() {
   // any QObject inherited class will do
   static QObject* cpp = nullptr;
-  if (!cpp) {
+  if (cpp == nullptr) {
     cpp = new CPP;
 
     // needed for QMessageBox

examples/app-template/i18n/readme.md

@@ -9,7 +9,7 @@ or `qsTr("")` (QML files).
   force recompilation of all files); this will generate a dummy file `tr.h`,
   containing all Lisp strings to translate
 
-* run Qt command `lupdate` (here: Spanish, Frensh) for creating the translation
+* run Qt command `lupdate` (here: Spanish, French) for creating the translation
   source files from both Lisp and QML strings:
 ```
   lupdate ../app.pro -ts es.ts fr.ts

examples/cl-repl/cpp/qt.cpp

@@ -20,7 +20,7 @@ QT_BEGIN_NAMESPACE
 
 QObject* ini() {
   static QObject* qt = nullptr;
-  if (!qt) {
+  if (qt == nullptr) {
     qt = new QT;
 #ifdef PLUGIN
     ini_lisp();
@@ -32,7 +32,7 @@ QObject* ini() {
 SyntaxHighlighter::SyntaxHighlighter(QTextDocument* doc)
   : QSyntaxHighlighter(doc) {}
 
-void SyntaxHighlighter::highlightBlock(const QString& text) {
+void SyntaxHighlighter::highlightBlock(const QString& text) { // override
   ecl_fun("editor:highlight-block", VAR(SyntaxHighlighter*, this), text);
 }
 

examples/readme.md

@@ -1,5 +1,5 @@
 
-Howto
+HowTo
 -----
 
 * to add a new app from the template, run:

examples/tilt-sensor/lisp/maze.lisp

@@ -15,14 +15,14 @@
     (dotimes (c 4)
       (let* ((cd (mod (+ c d) 4))
              (dv (case cd
-                   (0 (list 0 1))
-                   (1 (list 1 0))
-                   (2 (list -1 0))
-                   (t (list 0 -1))))
+                   (0 '(0 . 1))
+                   (1 '(1 . 0))
+                   (2 '(-1 . 0))
+                   (t '(0 . -1))))
              (x1 (+ x (car dv)))
-             (y1 (+ y (cadr dv)))
+             (y1 (+ y (cdr dv)))
              (x2 (+ x1 (car dv)))
-             (y2 (+ y1 (cadr dv))))
+             (y2 (+ y1 (cdr dv))))
         (when (and (< 0 x2 *width*)
                    (< 0 y2 *height*)
                    (aref *maze* x1 y1)

examples/wear-os/cpp/qt.cpp

@@ -22,7 +22,7 @@ static void clearEventualExceptions() {
 
 QObject* ini() {
   static QObject* qt = nullptr;
-  if (!qt) {
+  if (qt == nullptr) {
     qt = new QT;
   }
   return qt;

readme.md

@@ -18,7 +18,7 @@ works both on the desktop and on mobile.
 As a concrete example, you may have running your app on the desktop, and have
 both an android mobile device plus an iOS mobile device pointing to the IP of
 the desktop. Now you will see any change to QML on all 3 screens
-simultaneoulsy.
+simultaneously.
 
 This even works (with some limitations, and only in this
 [advanced example](examples/advanced-qml-auto-reload/)) at QML file level,