doc: Add missing method arguments [skip ci]
Documentation of most methods mentions method arguments enclosed in
parentheses. Two methods are an exception and we fix them here to make
the manual more consistent.
@@ -2155,27 +2155,27 @@ the following methods:
`args` keyword, you can specify external dependencies to use with
`dependencies` keyword argument.
-- `check_header` *(since 0.47.0)*: returns true if the specified header is *usable* with
- the specified prefix, dependencies, and arguments.
- You can specify external dependencies to use with `dependencies`
- keyword argument and extra code to put above the header test with
- the `prefix` keyword. In order to look for headers in a specific
- directory you can use `args : '-I/extra/include/dir`, but this
- should only be used in exceptional cases for includes that can't be
- detected via pkg-config and passed via `dependencies`. *(since 0.50.0)* The
- `required` keyword argument can be used to abort if the header cannot be
- found.
-
-- `has_header`: returns true if the specified header *exists*, and is
- faster than `check_header()` since it only does a pre-processor check.
- You can specify external dependencies to use with `dependencies`
- keyword argument and extra code to put above the header test with
- the `prefix` keyword. In order to look for headers in a specific
- directory you can use `args : '-I/extra/include/dir`, but this
- should only be used in exceptional cases for includes that can't be
- detected via pkg-config and passed via `dependencies`. *(since 0.50.0)* The
- `required` keyword argument can be used to abort if the header cannot be
- found.
+- `check_header(header_name)` *(since 0.47.0)*: returns true if the
+ specified header is *usable* with the specified prefix,
+ dependencies, and arguments. You can specify external dependencies
+ to use with `dependencies` keyword argument and extra code to put
+ above the header test with the `prefix` keyword. In order to look
+ for headers in a specific directory you can use `args :
+ '-I/extra/include/dir`, but this should only be used in exceptional
+ cases for includes that can't be detected via pkg-config and passed
+ via `dependencies`. *(since 0.50.0)* The `required` keyword argument
+ can be used to abort if the header cannot be found.
+
+- `has_header(header_name)`: returns true if the specified header
+ *exists*, and is faster than `check_header()` since it only does a
+ pre-processor check. You can specify external dependencies to use
+ with `dependencies` keyword argument and extra code to put above the
+ header test with the `prefix` keyword. In order to look for headers
+ in a specific directory you can use `args : '-I/extra/include/dir`,
+ but this should only be used in exceptional cases for includes that
+ can't be detected via pkg-config and passed via `dependencies`.
+ *(since 0.50.0)* The `required` keyword argument can be used to
+ abort if the header cannot be found.
- `has_header_symbol(headername, symbolname)`: detects
whether a particular symbol (function, variable, #define, type
