Added multi-line procedure call styling

NEP-1.md

@@ -5,7 +5,7 @@ Abstract
 Although Nimrod, through its flexible AST and case-sensitivity settings,
 supports a variety of code and formatting styles, it is nevertheless beneficial
 that certain community efforts, such as the standard library, should follow
-a consistant set of style guidelines when suitable. This enhancement
+a consistent set of style guidelines when suitable. This enhancement
 proposal aims to list a series of guidelines that the standard library should
 follow. Note that these are *guidelines* only. The nature of Nimrod being
 as flexible as it is, there will be parts of this style guide that don't make
@@ -18,9 +18,9 @@ Style Guidelines
 
 General
 -------
-- Type identifiers should be in CamelCase. All identifiers should be in
+- Type identifiers should be in CamelCase. All other identifiers should be in
   pascalCase. 
-    ```
+    ```nimrod
     const
       aConstant = 42
 
@@ -33,7 +33,7 @@ General
 
 - Members of enums should have an identifying prefix, such as an abbreviation
   of the enum's name.
-    ```
+    ```nimrod
     type PathComponent = enum
       pcDir
       pcLinkToDir
@@ -44,7 +44,7 @@ General
 - Lines should be no longer than 80 characters
 
 - 2 spaces should be used for indentation. Although one can use tabstops for
-  indentation through use of template filters, this considered an unneccessary
+  indentation through use of template filters, this considered an unnecessary
   hack.
 
 - The 'return' statement should only be used when it's control-flow properties
@@ -52,7 +52,7 @@ General
   implicit result variables allows both the Nimrod compiler and its various
   backends to perform special optimizations
 
-- Use the 'let' statement (not the var statement) when declarding variables
+- Use the 'let' statement (not the var statement) when declaring variables
   that do not change within their scope. Using the let statement ensures that
   variables remain immutable, and gives those who read the code a better idea
   of the code's purpose.
@@ -61,7 +61,7 @@ General
   regular object type layout instead. This enhances the readability of the
   tuple declaration by splitting its members information across multiple
   lines.
-  ```
+  ```nimrod
   type
     ShortTuple = tuple[a: int, b: string]
 
@@ -73,7 +73,7 @@ General
 
 - Similarly, any procedure type declarations that are longer than one line
   should be formatted in the style of a regular type.
-  ```
+  ```nimrod
   type
     EventCallback = proc (
       timeRecieved: TTime
@@ -83,15 +83,42 @@ General
   ```
 
 - Multi-line procedure declarations/argument lists should continue on the same
-  column as the preceding brace. This style is different from that of procedure
-  type declarations in order to prevent confusion between the heading of a
+  column as the opening brace. This style is different from that of procedure
+  type declarations in order to distinguish between the heading of a
   procedure and its body.
-  ```
+  ```nimrod
   proc lotsOfArguments(argOne: string, argTwo: int, argThree:float
                        argFour: proc(), argFive:bool): int
   ```
 
-- Use of extra whitespace for alignment is generally discouraged. This is not
-  neccessarily because such a style is bad, but because of the varying support
-  editors have for auto aligning blocks of code, and the fact that manually
-  aligning and re-aligning parts of code can be quite time consuming.
+- Multi-line procedure calls should either have one argument per line 
+  (like multi-line type declarations) or continue on the same
+  column as the opening parenthesis (like multi-line procedure declarations).
+  It is suggested that the former style be used for procedure calls with
+  complex argument structures, and the latter style for procedure calls with
+  simpler argument structures.
+  ```nimrod
+  # Each argument on a new line, like type declarations
+  # Best suited for 'complex' procedure calls.
+  readDirectoryChangesW(
+    directoryHandle.THandle,
+    buffer.start,
+    bufferSize.int32,
+    watchSubdir.WinBool,
+    filterFlags,
+    cast[ptr dword](nil),
+    cast[POverlapped](ol),
+    cast[LPOverlappedCompletionRoutine](nil)
+  )
+
+
+  # Multiple arguments on new lines, aligned to the opening parenthesis
+  # Best suited for 'simple' procedure calls
+  startProcess(nimrodExecutable, currentDirectory, compilerArguments
+               environment, processOptions)
+  ```
+
+- Use of extra whitespace for alignment is discouraged. This is not
+  necessarily because such a alignment is bad, but because of the varying
+  support editors have for auto-alignment of text, and the fact that manual
+  alignment and re-alignment can be quite time consuming.