If this is a duplicate or already on someone's todo list, feel free to close this report.

So: After creating a custom property for an object or bone, clicking on the edit button shows a popup but does not allow changing/entering the edit fields (they are greyed out). See attached image.




============================================
= Blender 2.56 (sub 0) System Information =
============================================


Blender:
============================================

version 2.56 (sub 0), revision 34318M. Release
build date: 2011-01-14, 16:43:17
platform: Linux:64bit
binary path: /home/compile/blender/install/linux2/blender
build cflags: -pipe -fPIC -funsigned-char -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -fopenmp -O2 -O2 -fopenmp
build cxxflags: -pipe -fPIC -funsigned-char -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -fopenmp -pipe -fPIC -funsigned-char -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D__STDC_CONSTANT_MACROS -fopenmp -O2 -fopenmp
build linkflags: -pthread
build system: SCons

Python:
============================================

version: 3.1.2 (r312:79147, Apr 15 2010, 15:53:54)
[GCC 4.4.3]
paths:
/home/ivo/svn/blender_scripts/scripts/addons
/home/compile/blender/install/linux2/2.56/scripts/addons
/home/ivo/svn/blender_scripts/scripts/modules
/home/ivo/svn/blender_scripts/scripts/op
/home/ivo/svn/blender_scripts/scripts/
/home/compile/blender/install/linux2/2.56/scripts/keyingsets
/home/compile/blender/install/linux2/2.56/scripts/io
/home/compile/blender/install/linux2/2.56/scripts/op
/home/compile/blender/install/linux2/2.56/scripts/ui
/home/compile/blender/install/linux2/2.56/scripts/
/home/compile/blender/install/linux2/2.56/scripts/modules
/home/compile/blender/install/linux2/2.56/python/lib/python3.1
/home/compile/blender/install/linux2/2.56/python/lib/python3.1/plat-linux2
/home/compile/blender/install/linux2/2.56/python/lib/python3.1/lib-dynload
/home/compile/blender/install/linux2/2.56/python/lib/python3.1/dist-packages
/home/compile/blender/install/linux2/2.56/scripts/addons/modules

Directories:
============================================

scripts: ['/home/compile/blender/install/linux2/2.56/scripts', '/home/ivo/svn/blender_scripts/scripts']
user scripts: /home/ivo/svn/blender_scripts/scripts
datafiles: /home/ivo/.blender/2.56/datafiles/
config: /home/ivo/.blender/2.56/config/
scripts : /home/compile/blender/install/linux2/2.56/scripts/
autosave: /home/ivo/.blender/2.56/autosave/
tempdir: /tmp/

OpenGL
============================================

renderer: GeForce GTX 460/PCI/SSE2
vendor: NVIDIA Corporation
version: 4.1.0 NVIDIA 260.19.12
extensions:
GL_ARB_blend_func_extended GL_ARB_color_buffer_float
GL_ARB_compatibility GL_ARB_copy_buffer GL_ARB_depth_buffer_float
GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_draw_buffers
GL_ARB_draw_buffers_blend GL_ARB_draw_indirect
GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced
GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location
GL_ARB_fragment_coord_conventions GL_ARB_fragment_program
GL_ARB_fragment_program_shadow GL_ARB_fragment_shader
GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB
GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_gpu_shader5
GL_ARB_gpu_shader_fp64 GL_ARB_half_float_pixel
GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_instanced_arrays
GL_ARB_map_buffer_range GL_ARB_multisample GL_ARB_multitexture
GL_ARB_occlusion_query GL_ARB_occlusion_query2
GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite
GL_ARB_provoking_vertex GL_ARB_robustness GL_ARB_sample_shading
GL_ARB_sampler_objects GL_ARB_seamless_cube_map
GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding
GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_subroutine
GL_ARB_shading_language_100 GL_ARB_shadow GL_ARB_sync
GL_ARB_tessellation_shader GL_ARB_texture_border_clamp
GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32
GL_ARB_texture_compression GL_ARB_texture_compression_bptc
GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map
GL_ARB_texture_cube_map_array GL_ARB_texture_env_add
GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar
GL_ARB_texture_env_dot3 GL_ARB_texture_float GL_ARB_texture_gather
GL_ARB_texture_mirrored_repeat GL_ARB_texture_multisample
GL_ARB_texture_non_power_of_two GL_ARB_texture_query_lod
GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui
GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_transform_feedback2
GL_ARB_transform_feedback3 GL_ARB_transpose_matrix
GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra
GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit
GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader
GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array
GL_ARB_window_pos GL_ATI_draw_buffers GL_ATI_texture_float
GL_ATI_texture_mirror_once GL_S3_s3tc GL_EXT_texture_env_add
GL_EXT_abgr GL_EXT_bgra GL_EXT_bindable_uniform GL_EXT_blend_color
GL_EXT_blend_equation_separate GL_EXT_blend_func_separate
GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_compiled_vertex_array
GL_EXT_Cg_shader GL_EXT_depth_bounds_test GL_EXT_direct_state_access
GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_draw_range_elements
GL_EXT_fog_coord GL_EXT_framebuffer_blit
GL_EXT_framebuffer_multisample GL_EXTX_framebuffer_mixed_formats
GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB
GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters
GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays
GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels
GL_EXT_pixel_buffer_object GL_EXT_point_parameters
GL_EXT_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color
GL_EXT_separate_shader_objects GL_EXT_separate_specular_color
GL_EXT_shader_image_load_store GL_EXT_shadow_funcs
GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D
GL_EXT_texture_array GL_EXT_texture_buffer_object
GL_EXT_texture_compression_latc GL_EXT_texture_compression_rgtc
GL_EXT_texture_compression_s3tc GL_EXT_texture_cube_map
GL_EXT_texture_edge_clamp GL_EXT_texture_env_combine
GL_EXT_texture_env_dot3 GL_EXT_texture_filter_anisotropic
GL_EXT_texture_integer GL_EXT_texture_lod GL_EXT_texture_lod_bias
GL_EXT_texture_mirror_clamp GL_EXT_texture_object
GL_EXT_texture_shared_exponent GL_EXT_texture_sRGB
GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback2
GL_EXT_vertex_array GL_EXT_vertex_array_bgra
GL_EXT_vertex_attrib_64bit GL_IBM_rasterpos_clip
GL_IBM_texture_mirrored_repeat GL_KTX_buffer_region GL_NV_blend_square
GL_NV_conditional_render GL_NV_copy_depth_to_color GL_NV_copy_image
GL_NV_depth_buffer_float GL_NV_depth_clamp GL_NV_explicit_multisample
GL_NV_fence GL_NV_float_buffer GL_NV_fog_distance
GL_NV_fragment_program GL_NV_fragment_program_option
GL_NV_fragment_program2 GL_NV_framebuffer_multisample_coverage
GL_NV_geometry_shader4 GL_NV_gpu_program4 GL_NV_gpu_program4_1
GL_NV_gpu_program5 GL_NV_gpu_program_fp64 GL_NV_gpu_shader5
GL_NV_half_float GL_NV_light_max_exponent GL_NV_multisample_coverage
GL_NV_multisample_filter_hint GL_NV_occlusion_query
GL_NV_packed_depth_stencil GL_NV_parameter_buffer_object
GL_NV_parameter_buffer_object2 GL_NV_pixel_data_range
GL_NV_point_sprite GL_NV_primitive_restart GL_NV_register_combiners
GL_NV_register_combiners2 GL_NV_shader_buffer_load
GL_NV_texgen_reflection GL_NV_texture_barrier
GL_NV_texture_compression_vtc GL_NV_texture_env_combine4
GL_NV_texture_expand_normal GL_NV_texture_multisample
GL_NV_texture_rectangle GL_NV_texture_shader GL_NV_texture_shader2
GL_NV_texture_shader3 GL_NV_transform_feedback
GL_NV_transform_feedback2 GL_NV_vdpau_interop GL_NV_vertex_array_range
GL_NV_vertex_array_range2 GL_NV_vertex_attrib_integer_64bit
GL_NV_vertex_buffer_unified_memory GL_NV_vertex_program
GL_NV_vertex_program1_1 GL_NV_vertex_program2
GL_NV_vertex_program2_option GL_NV_vertex_program3
GL_NVX_conditional_render GL_NVX_gpu_memory_info
GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture
GL_SGIX_shadow GL_SUN_slice_accum