Allow to use dependencies separated with comma + space

docs/projectconf.rst

@@ -194,7 +194,7 @@ if :option:`platformio run --environment` option is not specified.
 :ref:`projectconf_pio_env_default` allows to define environments which
 should be processed by default.
 
-Multiple environments are allowed if they are separated with ``,`` (comma).
+Multiple environments are allowed if they are separated with ``, `` (comma+space).
 For example.
 
 .. code-block:: ini
@@ -286,7 +286,7 @@ Examples:
 
 :ref:`frameworks` name.
 
-The multiple frameworks are allowed, split them with comma ``,`` separator.
+The multiple frameworks are allowed, split them with comma+space ``, ``.
 
 .. _projectconf_env_board:
 
@@ -701,13 +701,17 @@ Library options
 
 Specify project dependencies that should be installed automatically to
 :ref:`projectconf_pio_libdeps_dir` before environment processing.
-Multiple dependencies are allowed (multi-lines).
+Multiple dependencies are allowed (multi-lines or separated with comma+space
+``, ``).
 
 **Valid forms**
 
 .. code-block:: ini
 
   [env:myenv]
+  lib_deps = LIBRARY_1, LIBRARY_2, LIBRARY_N
+
+  [env:myenv2]
   lib_deps =
     LIBRARY_1
     LIBRARY_2
@@ -744,7 +748,7 @@ processed in the first order.
 The correct value for this option is library name (not folder name). In the
 most cases, library name is pre-defined in manifest file
 (:ref:`library_config`, ``library.properties``, ``module.json``). The multiple
-library names are allowed, split them with comma ``,`` separator.
+library names are allowed, split them with comma+space ``, ``.
 
 Example:
 
@@ -766,7 +770,7 @@ Specify libraries which should be ignored by Library Dependency Finder.
 The correct value for this option is library name (not
 folder name). In the most cases, library name is pre-defined in manifest file
 (:ref:`library_config`, ``library.properties``, ``module.json``). The multiple
-library names are allowed, split them with comma ``,`` separator.
+library names are allowed, split them with comma+space ``, ``.
 
 Example:
 
@@ -786,7 +790,7 @@ Example:
 
 A list with extra directories/storages where Library Dependency Finder will
 look for dependencies. Multiple paths are allowed. Please separate them
-using comma ``,`` symbol.
+using comma+space ``, ``.
 
 This option can be set by global environment variable
 :envvar:`PLATFORMIO_LIB_EXTRA_DIRS`.
@@ -847,7 +851,7 @@ Test options
     Please make sure to read :ref:`unit_testing` guide first.
 
 Ignore tests where the name matches specified patterns. Multiple names are
-allowed. Please separate them using comma ``,`` symbol. Also, you can
+allowed. Please separate them using comma+space ``, ``. Also, you can
 ignore some tests using :option:`platformio test --ignore` command.
 
 .. list-table::

platformio/commands/run.py

@@ -153,7 +153,7 @@ class EnvironmentProcessor(object):
         process_opts = []
         for k, v in self.options.items():
             if "\n" in v:
-                process_opts.append((k, "; ".join(
+                process_opts.append((k, ", ".join(
                     [s.strip() for s in v.split("\n") if s.strip()])))
             else:
                 process_opts.append((k, v))
@@ -237,7 +237,9 @@ class EnvironmentProcessor(object):
             ], self.verbose)
         if "lib_deps" in self.options:
             _autoinstall_libdeps(self.cmd_ctx, [
-                d.strip() for d in self.options['lib_deps'].split("\n")
+                d.strip()
+                for d in self.options['lib_deps'].split(
+                    "\n" if "\n" in self.options['lib_deps'] else ", ")
                 if d.strip()
             ], self.verbose)