Merge topic 'doc-tweaks'

311d0376 Help: Document error behavior of file(REMOVE/REMOVE_RECURSE)
77e78af1 Help: Clarify how to run sequential commands in execute_process

Help/command/execute_process.rst

@@ -20,7 +20,7 @@ Execute one or more child processes.
                   [OUTPUT_STRIP_TRAILING_WHITESPACE]
                   [ERROR_STRIP_TRAILING_WHITESPACE])
 
-Runs the given sequence of one or more commands with the standard
+Runs the given sequence of one or more commands in parallel with the standard
 output of each process piped to the standard input of the next.
 A single standard error pipe is used for all processes.
 
@@ -36,6 +36,9 @@ Options:
  (Use the ``INPUT_*``, ``OUTPUT_*``, and ``ERROR_*`` options to
  redirect stdin, stdout, and stderr.)
 
+ If a sequential execution of multiple commands is required, use multiple
+ :command:`execute_process` calls with a single ``COMMAND`` argument.
+
 ``WORKING_DIRECTORY``
  The named directory will be set as the current working directory of
  the child processes.

Help/command/file.rst

@@ -153,7 +153,8 @@ Move a file or directory within a filesystem from ``<oldname>`` to
   file(REMOVE_RECURSE [<files>...])
 
 Remove the given files.  The ``REMOVE_RECURSE`` mode will remove the given
-files and directories, also non-empty directories
+files and directories, also non-empty directories. No error is emitted if a
+given file does not exist.
 
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