Merge pull request #703 from p4lang/format

Formatting fixes

Author: jnfoster

p4-16/spec/P4-16-spec.mdk

@@ -7201,7 +7201,7 @@ above on recursion that apply while a parser or control is executing.
 The first table lists restrictions on what types can be passed as
 constructor parameters to other types.
 
-|-------------|-------------------------------------------------|
+|-------------|---------|--------|---------|--------|
 |             | can be a constructor parameter for this type ||||
 |             |---------|--------|---------|--------|
 | This type   | package | parser | control | extern |
@@ -7235,8 +7235,8 @@ instantiation, hence the answer "N/A" (for not applicable) in those
 table entries.  Variables may not be declared at the top level of your
 program, but constants may.
 
-|-------------|-------------------------------------------------|
-|             | can be instantiated in this place ||||||
+|-------------|-----------|---------|---------|--------|---------|----------|
+|             | can be instantiated in this place                      ||||||
 |             |-----------|---------|---------|---------|--------|----------|
 | This type   | top level | package | parser  | control | extern | function |
 +-------------+:---------:+:-------:+:-------:+:-------:+:------:+:--------:+
@@ -7254,7 +7254,7 @@ The next table lists restrictions on what types can be passed as
 run-time parameters to other callable things that have run-time
 parameters: parsers, controls, extern methods, actions, and functions.
 
-|-------------|-------------------------------------------------|
+|-------------|-----------|---------|---------|---------|----------|
 |             | can be a run-time parameter to this callable thing |||||
 |             |-----------|---------|---------|---------|----------|
 | This type   | parser    | control | method  | action  | function |
@@ -7283,7 +7283,7 @@ One way that an extern can be called from the top level of a parser or
 control is in an initializer expression for a declared variable,
 e.g. `bit<32> x = rand.get();`.
 
-|-------------|-------------------------------------------------|
+|-------------|-----------|---------|-----------|---------|--------|----------|
 |             | can be called at run time from this place in a P4 program ||||||
 |             |-----------|---------|-----------|---------|--------|----------|
 |             |           | control | parser or |         |        |          |