Remove black coloring for several rc's

Some of the configurations turn parentheses and or curly braces black,
which become invisible against the default nano black background color.

coffeescript.nanorc

@@ -3,7 +3,7 @@ header "^#!.*/(env +)?coffee"
 
 color red "[!&|=/*+-<>]|\<(and|or|is|isnt|not)\>"
 color brightblue "[A-Za-z_][A-Za-z0-9_]*:[[:space:]]*(->|\()" "->"
-color black    "[()]"
+color brightblue "[()]"
 color cyan  "\<(for|of|continue|break|isnt|null|unless|this|else|if|return)\>"
 color cyan  "\<(try|catch|finally|throw|new|delete|typeof|in|instanceof)\>"
 color cyan  "\<(debugger|switch|while|do|class|extends|super)\>"

csharp.nanorc

@@ -6,8 +6,7 @@ color brightmagenta  "class +[A-Za-z0-9]+ *((:) +[A-Za-z0-9.]+)?"
 # Annotation
 color magenta   "@[A-Za-z]+"
 
-color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
+color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
-color black    "[(]"
 color green     "\<(bool|byte|sbyte|char|decimal|double|float|IntPtr|int|uint|long|ulong|object|short|ushort|string|base|this|var|void)\>"
 color cyan  "\<(alias|as|case|catch|checked|default|do|dynamic|else|finally|fixed|for|foreach|goto|if|is|lock|new|null|return|switch|throw|try|unchecked|while)\>"
 color cyan  "\<(abstract|async|class|const|delegate|enum|event|explicit|extern|get|implicit|in|internal|interface|namespace|operator|out|override|params|partial|private|protected|public|readonly|ref|sealed|set|sizeof|stackalloc|static|struct|typeof|unsafe|using|value|virtual|volatile|yield)\>"

glsl.nanorc

@@ -1,7 +1,6 @@
 syntax "glsl" "\.(frag|vert|fp|vp|glsl)$"
 
-color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
+color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
-color black    "[(]"
 color green     "\<(void|bool|bvec2|bvec3|bvec4|int|ivec2|ivec3|ivec4|float|vec2|vec3|vec4|mat2|mat3|mat4|struct|sampler1D|sampler2D|sampler3D|samplerCUBE|sampler1DShadow|sampler2DShadow)\>"
 color green     "\<gl_(DepthRangeParameters|PointParameters|MaterialParameters|LightSourceParameters|LightModelParameters|LightModelProducts|LightProducts|FogParameters)\>"
 color cyan  "\<(const|attribute|varying|uniform|in|out|inout|if|else|return|discard|while|for|do)\>"

go.nanorc

@@ -1,7 +1,6 @@
 syntax "go" "\.go$"
 
-color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
+color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
-color black    "[(]"
 color brightblue "\<(append|cap|close|complex|copy|delete|imag|len)\>"
 color brightblue "\<(make|new|panic|print|println|protect|real|recover)\>"
 color green     "\<(u?int(8|16|32|64)?|float(32|64)|complex(64|128))\>"

javascript.nanorc

@@ -4,7 +4,6 @@ color blue   "\<[-+]?([1-9][0-9]*|0[0-7]*|0x[0-9a-fA-F]+)([uU][lL]?|[lL][uU]?)?\
 color blue   "\<[-+]?([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([EePp][+-]?[0-9]+)?[fFlL]?"
 color blue   "\<[-+]?([0-9]+[EePp][+-]?[0-9]+)[fFlL]?"
 color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
-color black    "[(]"
 color cyan  "\<(break|case|catch|continue|default|delete|do|else|finally)\>"
 color cyan  "\<(for|function|get|if|in|instanceof|new|return|set|switch)\>"
 color cyan  "\<(switch|this|throw|try|typeof|var|void|while|with)\>"

lisp.nanorc

@@ -2,7 +2,6 @@ syntax "lisp" "(emacs|zile)$" "\.(el|li?sp|scm|ss)$"
 
 color brightblue "\([a-z-]+"
 color red "\(([-+*/<>]|<=|>=)|'"
-color black    "\("
 color blue   "\<[0-9]+\>"
 icolor cyan "\<nil\>"
 color brightcyan  "\<[tT]\>"

nginx.nanorc

@@ -3,7 +3,6 @@ header "^(server|upstream)[a-z ]*\{$"
 
 color brightmagenta  "\<(events|server|http|location|upstream)[[:space:]]*\{"
 color cyan  "(^|[[:space:]{;])(access_log|add_after_body|add_before_body|add_header|addition_types|aio|alias|allow|ancient_browser|ancient_browser_value|auth_basic|auth_basic_user_file|autoindex|autoindex_exact_size|autoindex_localtime|break|charset|charset_map|charset_types|chunked_transfer_encoding|client_body_buffer_size|client_body_in_file_only|client_body_in_single_buffer|client_body_temp_path|client_body_timeout|client_header_buffer_size|client_header_timeout|client_max_body_size|connection_pool_size|create_full_put_path|daemon|dav_access|dav_methods|default_type|deny|directio|directio_alignment|disable_symlinks|empty_gif|env|error_log|error_page|expires|fastcgi_buffer_size|fastcgi_buffers|fastcgi_busy_buffers_size|fastcgi_cache|fastcgi_cache_bypass|fastcgi_cache_key|fastcgi_cache_lock|fastcgi_cache_lock_timeout|fastcgi_cache_min_uses|fastcgi_cache_path|fastcgi_cache_use_stale|fastcgi_cache_valid|fastcgi_connect_timeout|fastcgi_hide_header|fastcgi_ignore_client_abort|fastcgi_ignore_headers|fastcgi_index|fastcgi_intercept_errors|fastcgi_keep_conn|fastcgi_max_temp_file_size|fastcgi_next_upstream|fastcgi_no_cache|fastcgi_param|fastcgi_pass|fastcgi_pass_header|fastcgi_read_timeout|fastcgi_send_timeout|fastcgi_split_path_info|fastcgi_store|fastcgi_store_access|fastcgi_temp_file_write_size|fastcgi_temp_path|flv|geo|geoip_city|geoip_country|gzip|gzip_buffers|gzip_comp_level|gzip_disable|gzip_http_version|gzip_min_length|gzip_proxied|gzip_static|gzip_types|gzip_vary|if|if_modified_since|ignore_invalid_headers|image_filter|image_filter_buffer|image_filter_jpeg_quality|image_filter_sharpen|image_filter_transparency|include|index|internal|ip_hash|keepalive|keepalive_disable|keepalive_requests|keepalive_timeout|large_client_header_buffers|limit_conn|limit_conn_log_level|limit_conn_zone|limit_except|limit_rate|limit_rate_after|limit_req|limit_req_log_level|limit_req_zone|limit_zone|lingering_close|lingering_time|lingering_timeout|listen|location|log_format|log_not_found|log_subrequest|map|map_hash_bucket_size|map_hash_max_size|master_process|max_ranges|memcached_buffer_size|memcached_connect_timeout|memcached_next_upstream|memcached_pass|memcached_read_timeout|memcached_send_timeout|merge_slashes|min_delete_depth|modern_browser|modern_browser_value|mp4|mp4_buffer_size|mp4_max_buffer_size|msie_padding|msie_refresh|open_file_cache|open_file_cache_errors|open_file_cache_min_uses|open_file_cache_valid|open_log_file_cache|optimize_server_names|override_charset|pcre_jit|perl|perl_modules|perl_require|perl_set|pid|port_in_redirect|postpone_output|proxy_buffer_size|proxy_buffering|proxy_buffers|proxy_busy_buffers_size|proxy_cache|proxy_cache_bypass|proxy_cache_key|proxy_cache_lock|proxy_cache_lock_timeout|proxy_cache_min_uses|proxy_cache_path|proxy_cache_use_stale|proxy_cache_valid|proxy_connect_timeout|proxy_cookie_domain|proxy_cookie_path|proxy_hide_header|proxy_http_version|proxy_ignore_client_abort|proxy_ignore_headers|proxy_intercept_errors|proxy_max_temp_file_size|proxy_next_upstream|proxy_no_cache|proxy_pass|proxy_pass_header|proxy_read_timeout|proxy_redirect|proxy_send_timeout|proxy_set_header|proxy_ssl_session_reuse|proxy_store|proxy_store_access|proxy_temp_file_write_size|proxy_temp_path|random_index|read_ahead|real_ip_header|recursive_error_pages|request_pool_size|reset_timedout_connection|resolver|resolver_timeout|return|rewrite|root|satisfy|satisfy_any|secure_link_secret|send_lowat|send_timeout|sendfile|sendfile_max_chunk|server|server|server_name|server_name_in_redirect|server_names_hash_bucket_size|server_names_hash_max_size|server_tokens|set|set_real_ip_from|source_charset|split_clients|ssi|ssi_silent_errors|ssi_types|ssl|ssl_certificate|ssl_certificate_key|ssl_ciphers|ssl_client_certificate|ssl_crl|ssl_dhparam|ssl_engine|ssl_prefer_server_ciphers|ssl_protocols|ssl_session_cache|ssl_session_timeout|ssl_verify_client|ssl_verify_depth|sub_filter|sub_filter_once|sub_filter_types|tcp_nodelay|tcp_nopush|timer_resolution|try_files|types|types_hash_bucket_size|types_hash_max_size|underscores_in_headers|uninitialized_variable_warn|upstream|user|userid|userid_domain|userid_expires|userid_name|userid_p3p|userid_path|userid_service|valid_referers|variables_hash_bucket_size|variables_hash_max_size|worker_priority|worker_processes|worker_rlimit_core|worker_rlimit_nofile|working_directory|xml_entities|xslt_stylesheet|xslt_types)([[:space:]]|$)"
-color black    "[{}]"
 color brightcyan  "\<(on|off)\>"
 color brightyellow "\$[A-Za-z][A-Za-z0-9_]*"
 color red "[*]"

privoxy.nanorc

@@ -12,7 +12,6 @@ color brightgreen "[{[:space:]]\+block([[:space:]{}]|$)"
 
 color brightred   "-(add-header|change-x-forwarded-for|client-header-filter|client-header-tagger|content-type-overwrite|crunch-client-header|crunch-if-none-match|crunch-incoming-cookies|crunch-outgoing-cookies|crunch-server-header|deanimate-gifs|downgrade-http-version|fast-redirects|filter|force-text-mode|forward-override|handle-as-empty-document|handle-as-image|hide-accept-language|hide-content-disposition|hide-from-header|hide-if-modified-since|hide-referrer|hide-user-agent|limit-connect|overwrite-last-modified|prevent-compression|redirect|server-header-filter|server-header-tagger|session-cookies-only|set-image-blocker)"
 color brightgreen "\+(add-header|change-x-forwarded-for|client-header-filter|client-header-tagger|content-type-overwrite|crunch-client-header|crunch-if-none-match|crunch-incoming-cookies|crunch-outgoing-cookies|crunch-server-header|deanimate-gifs|downgrade-http-version|fast-redirects|filter|force-text-mode|forward-override|handle-as-empty-document|handle-as-image|hide-accept-language|hide-content-disposition|hide-from-header|hide-if-modified-since|hide-referrer|hide-user-agent|limit-connect|overwrite-last-modified|prevent-compression|redirect|server-header-filter|server-header-tagger|session-cookies-only|set-image-blocker)"
-color black            "[{}]"
 color magenta           "\\.?"
 color brightblack "(^|[[:space:]])#([^{].*)?$"
 color ,green "[[:space:]]+$"

vala.nanorc

@@ -1,8 +1,7 @@
 syntax "vala" "\.vala$"
 
 color green     "\<(float|double|bool|char|int|uint|short|long|void|(un)?signed)\>"
-color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
+color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
-color black    "[(]"
 color cyan  "\<(for|if|while|do|else|case|default|switch|try|throw|catch)\>"
 color cyan  "\<(inline|typedef|struct|enum|union|extern|static|const)\>"
 color cyan  "\<(operator|new|delete|return|null)\>"

vi.nanorc

@@ -1,7 +1,6 @@
 syntax "vi" "(^|/|\.)(ex|vim)rc$|\.vim"
 
-color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[(]"
+color brightblue "[A-Za-z_][A-Za-z0-9_]*[[:space:]]*[()]"
-color black    "[(]"
 color cyan  "\<([nvxsoilc]?(nore|un)?map|[nvlx]n|[ico]?no|[cilovx][um]|s?unm)\>"
 color cyan  "\<(snor|nun|nm|set|if|endif|let|unlet)\>"
 color red "[!&=]"