Change mapping for selected nested to <a-I> and <a-A>

As suggested in #5429, this is more consistent and leaves ' available
for users or a future feature.

Closes #5429

Author: mawww

doc/pages/changelog.asciidoc

@@ -16,7 +16,7 @@ released versions.
 
 * `number-lines -full-relative` switch to keep a smaller line number gutter.
 
-* `'` and `<a-'>` to select nested text objects
+* `<a-I>` and `<a-A>` to select nested text objects
 
 == Kakoune 2025.06.03
 

doc/pages/keys.asciidoc

@@ -633,7 +633,7 @@ for a word this will select trailing spaces.
 *}*::
     extend selections to the whole surrounding object end
 
-*<a-'>:: select each whole nested object in selections
+*<a-A>:: select each whole nested object in selections
 
 === Inner object
 
@@ -656,7 +656,7 @@ for a word this will *not* select trailing spaces.
 *<a-}>*::
     extend selections to the surrounding inner object end
 
-*'*::
+*<a-I>*::
     select each inner nested object in selections
 
 === Objects types

src/main.cc

@@ -55,7 +55,7 @@ struct {
         "» {+b}%val\\{buffile}{} is now empty for scratch buffers\n"
         "» {+b}FocusIn{}/{+b}FocusOut{} events on suspend\n"
         "» {+u}number-lines -full-relative{} switch to keep a smaller line number gutter\n"
-        "» {+b}'{} and {+b}<a-'>{} to select nested text objects\n"
+        "» {+b}<a-I>{} and {+b}<a-A>{} to select nested text objects\n"
     }, {
         20250603,
         "» kak_* appearing in shell arguments will be added to the environment\n"

src/normal.cc

@@ -2577,8 +2577,8 @@ static constexpr HashMap<Key, NormalCmd, MemoryDomain::Undefined, KeymapBackend>
     { {alt(']')}, {"select to inner object end", select_object<ObjectFlags::ToEnd | ObjectFlags::Inner>} },
     { {alt('{')}, {"extend to inner object start", select_object<ObjectFlags::ToBegin | ObjectFlags::Inner, SelectMode::Extend>} },
     { {alt('}')}, {"extend to inner object end", select_object<ObjectFlags::ToEnd | ObjectFlags::Inner, SelectMode::Extend>} },
-    { {'\''}, {"select nested objects", select_object<ObjectFlags::Nested | ObjectFlags::Inner | ObjectFlags::ToBegin | ObjectFlags::ToEnd>} },
-    { {alt('\'')}, {"select nested objects", select_object<ObjectFlags::Nested | ObjectFlags::ToBegin | ObjectFlags::ToEnd>} },
+    { {alt('I')}, {"select nested objects", select_object<ObjectFlags::Nested | ObjectFlags::Inner | ObjectFlags::ToBegin | ObjectFlags::ToEnd>} },
+    { {alt('A')}, {"select nested objects", select_object<ObjectFlags::Nested | ObjectFlags::ToBegin | ObjectFlags::ToEnd>} },
 
     { {alt('j')}, {"join lines", join_lines} },
     { {alt('J')}, {"join lines and select spaces", join_lines_select_spaces} },

test/normal/object/nested/around/WORD/cmd

@@ -1 +1 @@
-%<a-'><a-w>
+%<a-A><a-w>

test/normal/object/nested/around/arguments/cmd

@@ -1 +1 @@
-<a-l><a-'>u
+<a-l><a-A>u

test/normal/object/nested/around/curly-braces/cmd

@@ -1 +1 @@
-%<a-'>{
+%<a-A>{

test/normal/object/nested/around/double-quotes/cmd

@@ -1 +1 @@
-%<a-'>"
+%<a-A>"

test/normal/object/nested/around/number/cmd

@@ -1 +1 @@
-%<a-'>n
+%<a-A>n

test/normal/object/nested/around/paragraph/cmd

@@ -1 +1 @@
-%<a-'>p
+%<a-A>p