doc: make section names unique.

doc/coding-style.dox

@@ -39,9 +39,9 @@ needed. You are encouraged to read it first:
 
  - @ref corrade-coding-style
 
-@section cpp C++ code
+@section coding-style-cpp C++ code
 
-@subsection cpp-headers Headers
+@subsection coding-style-cpp-headers Headers
 
 Headers shouldn't have `using` declarations inside them (unless there is good
 excuse, see Magnum.h).
@@ -50,9 +50,9 @@ Headers have `*.h` extension, @ref compilation-speedup-hpp "template implementat
 have `*.hpp` extension (hinting that they are something between `*.h` and
 `*.cpp` files).
 
-@subsection cpp-format Code format
+@subsection coding-style-cpp-format Code format
 
-@subsubsection cpp-types Builtin types
+@subsubsection coding-style-cpp-types Builtin types
 
 Use %Magnum's own type aliases for public API (e.g. @ref UnsignedInt, see
 @ref types for more information), but use specific types when interacting with
@@ -61,13 +61,13 @@ conversions when converting between them. This helps avoiding sign, truncation
 and other issues, e.g. `%Math::%Vector2<GLsizei>` will implicitly convert to
 @ref Vector2i if and only if @ref Int is the same type as `GLsizei`.
 
-@subsubsection cpp-naming Naming
+@subsubsection coding-style-cpp-naming Naming
 
 When writing wrappers for OpenGL functions and defines, try to match the
 original name as closely as possible, although expanding abbrevations (and
 removing redundant prefixes) is encouraged.
 
-@subsubsection cpp-forward-declarations Forward declarations and forward declaration headers
+@subsubsection coding-style-cpp-forward-declarations Forward declarations and forward declaration headers
 
 When a namespace has classes which are commonly forward-declared, consider
 making a forward declaration header - it should have the same name as the
@@ -75,14 +75,14 @@ namespace itself and contain foward declarations for all classes, enums and
 copies of all meaningful typedefs. See @ref compilation-forward-declarations
 for more information.
 
-@section compatibility Compatibility with various OpenGL editions
+@section coding-style-compatibility Compatibility with various OpenGL editions
 
 If any class, function or part of code depends on particular OpenGL edition
 (e.g. only for desktop), use conditional compilation to avoid erors on other
 platforms (see @ref portability-target for more information). Put related
 documentation also into the conditional compilation block and don't forget to
-appropriately mark the class/function (@ref documentation-commands-requires "see below").
+appropriately mark the class/function
-Example:
+(@ref coding-style-documentation-commands-requires "see below"). Example:
 @code
 #ifndef MAGNUM_TARGET_GLES
 //
@@ -94,15 +94,15 @@ void setPolygonMode(PolygonMode mode);
 #endif
 @endcode
 
-@section documentation Doxygen documentation
+@section coding-style-documentation Doxygen documentation
 
-@subsection documentation-commands Special documentation commands
+@subsection coding-style-documentation-commands Special documentation commands
 
 Additionally to @c \@todoc, @c \@debugoperator, @c \@debugoperatorenum,
 @c \@debugoperatorclassenum, @c \@configurationvalue and
 @c \@configurationvalueref (same as in %Corrade), these are defined:
 
-@subsubsection documentation-commands-collisionoperator Shape collision operators
+@subsubsection coding-style-documentation-commands-collisionoperator Shape collision operators
 
 Out-of-class operators for collision and collision occurence in Shapes
 namespace should be marked with @c \@collisionoperator and @c \@collisionoccurenceoperator,
@@ -119,7 +119,7 @@ the operator is implemented (not of class in which the operator is
 implemented), thus efficiently connecting the two classes together in the
 documentation.
 
-@subsubsection documentation-commands-extension Links to OpenGL extensions
+@subsubsection coding-style-documentation-commands-extension Links to OpenGL extensions
 
 If an OpenGL extension is referenced in the documentation, it should be done
 with @c \@extension command:
@@ -138,7 +138,7 @@ specify extension filename, if the previous command gives 404 error. For example
 produces this link:
 > @es_extension2{NV,read_buffer_front,GL_NV_read_buffer}
 
-@subsubsection documentation-commands-ref_gl Links to related OpenGL functions and definitions
+@subsubsection coding-style-documentation-commands-ref_gl Links to related OpenGL functions and definitions
 
 If an function touches OpenGL, related OpenGL functions should be documented
 in @c \@see block with @c \@fn_gl command. If only specific definition is used
@@ -162,7 +162,7 @@ are the same as in @c \@extension command. It produced link to extension
 specification, with function name as link text:
 > @fn_gl_extension{NamedCopyBufferSubData,EXT,direct_state_access}.
 
-@subsubsection documentation-commands-requires Classes and functions requiring specific OpenGL version or extensions
+@subsubsection coding-style-documentation-commands-requires Classes and functions requiring specific OpenGL version or extensions
 
 If any class or function requires specific OpenGL version above 2.1, it should
 be marked with appropriate command @c \@requires_glXX, where `XX` is version
@@ -191,7 +191,7 @@ requirements.
 All classes and functions using those commands are cross-referenced in page
 @ref opengl-required-extensions.
 
-@section unit-tests Unit tests
+@section coding-style-unit-tests Unit tests
 
 All unit tests use Corrade's @ref Corrade::TestSuite "TestSuite".
 

src/Magnum/MultisampleTexture.h

@@ -65,7 +65,7 @@ Template class for 2D mulitsample texture and 2D multisample texture array.
 Used only from shaders for manual multisample resolve and other operations. See
 also @ref AbstractTexture documentation for more information.
 
-@section Texture-usage Usage
+@section MultisampleTexture-usage Usage
 
 As multisample textures have no sampler state, the only thing you need is to
 set storage:

src/Magnum/Text/DistanceFieldGlyphCache.h

@@ -40,7 +40,7 @@ Unlike original @ref GlyphCache converts each binary image to distance field.
 It is not possible to use non-binary colors with this cache, internal texture
 format is red channel only.
 
-@section GlyphCache-usage Usage
+@section DistanceFieldGlyphCache-usage Usage
 
 Usage is similar to @ref GlyphCache, additionally you need to specify size of
 resulting distance field texture.

src/Magnum/TextureArray.h

@@ -53,7 +53,7 @@ namespace Implementation {
 Template class for one- and two-dimensional texture arrays. See also
 @ref AbstractTexture documentation for more information.
 
-@section Texture-usage Usage
+@section TextureArray-usage Usage
 
 See @ref Texture documentation for introduction.