editorconfig: add setting to trim trailing whitespace

and clean up all outstanding issues

Skip 'test cases/common/141 special characters/meson.build' since it
intentionally uses trailing newlines.

6 files changed, 15 insertions, 18 deletions

diff --git a/docs/markdown/Adding-new-projects-to-wrapdb.md b/docs/markdown/Adding-new-projects-to-wrapdb.md
index 7b51c9a..03998cd 100644
--- a/docs/markdown/Adding-new-projects-to-wrapdb.md
+++ b/docs/markdown/Adding-new-projects-to-wrapdb.md
@@ -130,7 +130,7 @@ git commit -a -m 'Add wrap files for libfoo-1.0.0'
 git push -u origin libfoo
 ```
 
-Now you should create a pull request on GitHub. 
+Now you should create a pull request on GitHub.
 
 If packaging review requires you to do changes, use the `--amend`
 argument to `commit` so that your branch will have only one commit.
diff --git a/docs/markdown/Commands.md b/docs/markdown/Commands.md
index ea68cc8..d53f651 100644
--- a/docs/markdown/Commands.md
+++ b/docs/markdown/Commands.md
@@ -62,7 +62,7 @@ Builds a default or a specified target of a configured Meson project.
 - `NAME`: name of the target from `meson.build` (e.g. `foo` from `executable('foo', ...)`).
 - `PATH`: path to the target relative to the root `meson.build` file. Note: relative path for a target specified in the root `meson.build` is `./`.
 - `TYPE`: type of the target. Can be one of the following: 'executable', 'static_library', 'shared_library', 'shared_module', 'custom', 'run', 'jar'.
-  
+
 `PATH` and/or `TYPE` can be omitted if the resulting `TARGET` can be
 used to uniquely identify the target in `meson.build`.
 
diff --git a/docs/markdown/Getting-meson_ptbr.md b/docs/markdown/Getting-meson_ptbr.md
index f2e2811..b5af345 100644
--- a/docs/markdown/Getting-meson_ptbr.md
+++ b/docs/markdown/Getting-meson_ptbr.md
@@ -1,6 +1,6 @@
 # Obtendo o Meson
 
-Meson é implementado em Python 3, e requer a versão 3.6 ou mais nova. 
+Meson é implementado em Python 3, e requer a versão 3.6 ou mais nova.
 se o seu sistema operacional provê um gerenciador de pacotes, você deve
 instalar o Meson com ele. Para plataformas que não tem um gerenciador de
 pacotes, você precisa baixa-lo da [página inicial do Python]. Veja abaixo
@@ -26,7 +26,7 @@ plataformas.
 O Meson está disponível no [Indice de Pacotes do Python] e pode ser instalado com
 `sudo pip3 install meson` que requer root e vai instala-lo para todo o sistema.
 
-Se você já baixou uma cópia do código do Meson, você pode instalar com 
+Se você já baixou uma cópia do código do Meson, você pode instalar com
 `sudo pip3 install path/to/source/root/`.
 
 Como alternativa, você pode usar o `pip3 install --user meson` que vai instalar
@@ -54,7 +54,7 @@ Clang, Visual Studio, MinGW, ICC, ARMCC, etc.
 Você deve usar a versão provida pelo seu gerenciador de pacotes se possível, caso contrário,
 baixe o binário executável da [página de *release* do projeto Ninja](https://github.com/ninja-build/ninja/releases).
 
-Se você apenas usa o *backend* do Visual Studio (`--backend=vs`) para gerar soluções do Visual Studio no Windows ou o 
+Se você apenas usa o *backend* do Visual Studio (`--backend=vs`) para gerar soluções do Visual Studio no Windows ou o
 *backend* do XCode (`--backend=xcode`) para gerar projetos no macOS, você não precisa do Ninja.
 
 
@@ -72,7 +72,7 @@ que você selecione as opções do instalador como a seguir:
 
 ![passo 3 do instalador](images/py3-install-3.png "Opções Avançadas: ative 'Instalar para todos usuários'")
 
-Com isso, você terá o `python` e o `pip` no `PATH`, e você poderá instalar o Meson com o pip. Você também vai poder 
+Com isso, você terá o `python` e o `pip` no `PATH`, e você poderá instalar o Meson com o pip. Você também vai poder
 executar o comando `meson` em qualquer shell no Windows ao invés de ter que executar `py -3` com o caminho completo para
 o *script* `meson.py`.
 
@@ -80,7 +80,7 @@ o *script* `meson.py`.
 
 Se você está usando o MSYS2 no Windows como seu ambiente de desenvolvimento,
 por favor se certifique que você não esteja usando o pacote `msys/python` para
-fornecer o Python 3. Uso o `mingw32/mingw-w64-i686-python3` ou o 
+fornecer o Python 3. Uso o `mingw32/mingw-w64-i686-python3` ou o
 If you are using MSYS2 on Windows as your development environment,
 please make sure that you **do not use** the `msys/python` package to
 provide Python 3. Use either `mingw32/mingw-w64-i686-python3` or `mingw64/mingw-w64-x86_64-python3`
diff --git a/docs/markdown/Release-notes-for-0.57.0.md b/docs/markdown/Release-notes-for-0.57.0.md
index 595ebec..14fa030 100644
--- a/docs/markdown/Release-notes-for-0.57.0.md
+++ b/docs/markdown/Release-notes-for-0.57.0.md
@@ -105,7 +105,7 @@ Run Time Checking can be enabled by manually adding `/RTC1` or other RTC flags o
 
 The `debug` buildtype for clang-cl added additional arguments compared to MSVC, which had more to do with optimization than debug. The arguments removed are `/Ob0`, `/Od`, `/RTC1`. (`/Zi` was also removed, but it is already added by default when debug is enabled.)
 
-If these are important issues for you and would like builtin toggle options, 
+If these are important issues for you and would like builtin toggle options,
 please file an issue in the Meson bug tracker.
 
 ## Buildtype remains even if dependent options are changed
@@ -154,17 +154,17 @@ Currently supports `glib-compile-schemas`, `gio-querymodules`, and
 
 ## "Edit and continue" (/ZI) is no longer used by default for Visual Studio
 
-Meson was adding the `/ZI` compiler argument as an argument for Visual Studio 
-in debug mode. This enables the `edit-and-continue` debugging in 
+Meson was adding the `/ZI` compiler argument as an argument for Visual Studio
+in debug mode. This enables the `edit-and-continue` debugging in
 Visual Studio IDE's.
 
-Unfortunately, it is also extremely expensive and breaks certain use cases such 
-as link time code generation. Edit and continue can be enabled by manually by 
+Unfortunately, it is also extremely expensive and breaks certain use cases such
+as link time code generation. Edit and continue can be enabled by manually by
 adding `/ZI` to compiler arguments.
 
 The `/ZI` argument has now been replaced by the `/Zi` argument for debug builds.
 
-If this is an important issue for you and would like a builtin toggle option, 
+If this is an important issue for you and would like a builtin toggle option,
 please file an issue in the Meson bug tracker.
 
 ## Minimum required Python version updated to 3.6
@@ -357,4 +357,3 @@ also allows `//` as the id.  This way, `meson rewrite kwargs set project
 
 All keys of the `configuration_data` object can be obtained with the `keys()`
 method as an alphabetically sorted array.
-
diff --git a/docs/markdown/Release-notes-for-0.58.0.md b/docs/markdown/Release-notes-for-0.58.0.md
index 9a23abb..7187dc1 100644
--- a/docs/markdown/Release-notes-for-0.58.0.md
+++ b/docs/markdown/Release-notes-for-0.58.0.md
@@ -266,7 +266,7 @@ argument that will be separated by space.
 ## Specify man page locale during installation
 
 Locale directories can now be passed to `install_man`:
-    
+
 ```meson
 # instead of
 # install_data('foo.fr.1', install_dir: join_paths(get_option('mandir'), 'fr', 'man1'), rename: 'foo.1')`
@@ -354,4 +354,3 @@ The `b_sanitize` option for enabling Address sanitizer now works with
 the Visual Studio compilers. This requires [a sufficiently new version
 of Visual
 Studio](https://devblogs.microsoft.com/cppblog/address-sanitizer-for-msvc-now-generally-available/).
-
diff --git a/docs/markdown/Release-notes-for-0.59.0.md b/docs/markdown/Release-notes-for-0.59.0.md
index b6ce654..a8fbc35 100644
--- a/docs/markdown/Release-notes-for-0.59.0.md
+++ b/docs/markdown/Release-notes-for-0.59.0.md
@@ -121,7 +121,7 @@ if intl_found
   conf.set('ENABLE_NLS', 1)
 endif
 ```
-  
+
 one may simply use:
 
 ```
@@ -232,4 +232,3 @@ the cache upon installation. Most applications do that using a custom script,
 but it can now be done by Meson directly.
 
 See [`gnome.post_install()`](Gnome-module.md#gnomepost_install).
-