Crystal bindings for unibilium, a terminfo library.
Unibilium supports:
- Parsing terminfo files with standard and extended sections
- Parsing terminfo files with 16-bit and 32-bit numeric format
- Formatting/executing/running terminfo format strings
- Creating and modifying terminfo databases and dumping them in terminfo file format
Additional convenience functions by the Crystal binding are:
- Looking up capability by any name and returning its enum entry
- Retrieving values of bool, int, and string capabilities as Crystal-native types (including formatting of string caps)
- Outputting capabilities, possibly formatted with params, directly to an IO
Add this to your application's shard.yml:
dependencies:
unibilium:
github: crystallabs/unibilium.cr
version: ~> 2.0You must have libunibilium installed in order to use these bindings. For compilation you also need development headers.
Most distributions have packages named unibilium/unibilium-dev or libunibilium/libunibilium-dev.
Basic usage of the bindings, without convenience functions:
require "unibilium"
# Loading a terminfo
ENV["TERM"] = "linux"
terminfo = Unibilium.from_env
# terminfo = Unibilium.from_io(io)
# terminfo = Unibilium.from_bytes(bytes)
# terminfo = Unibilium.from_file(path)
# terminfo = Unibilium.from_terminal(name)
# Querying basic information
p terminfo.name
p terminfo.aliases
p terminfo.name_for(Unibilium::Entry::Boolean::Has_meta_key)
p terminfo.short_name_for(Unibilium::Entry::Boolean::Has_meta_key)
# Outputting to screen
cls = terminfo.get(Unibilium::Entry::String::Clear_screen)
terminfo.format STDOUT, cls
# Retrieving capabilities with get, get?
p bool = terminfo.get(Unibilium::Entry::Boolean::Has_meta_key)
p num = terminfo.get?(Unibilium::Entry::Numeric::Lines)
p str = terminfo.get(Unibilium::Entry::String::Cursor_address)
p String.new str
# Interpreting/executing string capabilities and seeing them as Strings in Crystal
cap = terminfo.run str, 10, 10
# print cap
# STDOUT.write cap
#puts "Cursor at 10,10"
# Accessing extended section:
p terminfo.extensions.count_bool
p terminfo.extensions.count_num
p terminfo.extensions.count_str
# has?, [], []?
terminfo.extensions["U8"] # => CapabilityExtension
p terminfo.extensions["U8"]? # =? CapabilityExtension?
if terminfo.extensions.has?("U8") # => true | false
u8 = terminfo.extensions.get_num("U8")
puts "Extended numeric value U8 = #{u8}"
end
# Rarely used:
# get_{bool,num,str}_name(id)
p terminfo.extensions.get_bool_name(0)
# get_X, get_X?
p terminfo.extensions.get_bool("AX")
p terminfo.extensions.get_num("U8")
p terminfo.extensions.get_str("E3")
pos = terminfo.run(str, 25, 10)
p String.new pos
STDOUT.write pos
STDOUT.puts "Cursor at 25,10"
STDOUT.flush
terminfo.format(STDOUT, str, 28, 10)
puts "Cursor at 28,10"
terminfo.destroy
p terminfo.destroyed?Creating a new or modified terminfo db:
require "unibilium"
terminfo = Unibilium.dummy
terminfo.aliases = ["test", "new test terminal"]
terminfo.set(Unibilium::Entry::Numeric::Lines, 100)
terminfo.extensions.add("U8", 1)
terminfo.extensions.set("U8", -1)
terminfo.extensions.rename("U8", "U9")
terminfo.extensions.delete("U9")
File.write "test.terminfo", terminfo.dumpFor more detailed examples, refer to directories examples/ and spec/.
For the non-extended section, #get/#get? accept fixed enum values which are pre-defined and
categorized into Entry::Boolean, Entry::Numeric, and Entry::String.
For the extended section, capabilities are always accessed as strings. Because type cannot be
determined from a string, there is no single #get/#get? method; instead there are the individual
get methods for the three possible types -- #get_{bool,num,str}[?].
Testing for an extended capability with #extensions.has?(X) will return a boolean, specifying
whether the capability exists at all.
Testing with #extensions[X]? will return Nil | CapabilityExtension instance from which the type
and terminfo id can be read.
The return values are coming directly from terminfo-encoded data as follows:
- Boolean - Bool. (False is also returned if a value is unset)
- Numeric - Int32. (-1 is returned if a value is unset, -2 if disabled)
- String - String | Nil. (Nil is returned if a value is unset)
Accessing an existing extended capability can return the same data types as the standard section.
This library does not interpret return values. I.e. the special return values which indicate a missing capability (the indistinguishable boolean false, numeric -1 and -2, and string nil) are just returned as-is.
Convenience functions existing on top of basic bindings:
require "unibilium"
class My
def initialize
@t = Unibilium.from_env
@t.io = STDOUT
# Showing usage through multiple alias names for the same capability:
@t.output.clear_screen # Outputs 'clear screen' sequence to screen
p @t.value.clear # Returns 'value' of 'clear screen' capability (bool, int, or str with optional param formatting)
p @t.entry.cl # Returns enum entry of 'clear screen' capability
@t.output.cursor_address 10, 20
puts "Text at 10, 20"
end
end
my = My.newConvenience functions also interpret return values from Unibilium. Boolean falses,
integers less than 0, and strings equal to nil are considered as capabilities not
supported in the current terminal and raise a "nil" exception when their standard,
non-? methods are used.
As seen in the above example, capabilities can be referenced by any of their long, short, or alias names.
The complete list can be found or modified in support/tables.cr; its current version is copied here:
module Support
class_getter bool = [
["AutoLeftMargin", "auto_left_margin", "bw", "bw"], # cub1 wraps from col‐ umn 0 to last column
["AutoRightMargin", "auto_right_margin", "am", "am"], # terminal has auto‐ matic margins
["NoEscCtlc", "no_esc_ctlc", "xsb", "xb", "beehive_glitch"], # beehive (f1=escape, f2=ctrl C)
["CeolStandoutGlitch", "ceol_standout_glitch", "xhp", "xs"], # standout not erased by overwriting (hp)
["EatNewlineGlitch", "eat_newline_glitch", "xenl", "xn"], # newline ignored after 80 cols (con‐ cept)
["EraseOverstrike", "erase_overstrike", "eo", "eo"], # can erase over‐ strikes with a blank
["GenericType", "generic_type", "gn", "gn"], # generic line type
["HardCopy", "hard_copy", "hc", "hc"], # hardcopy terminal
["HasMetaKey", "has_meta_key", "km", "km"], # Has a meta key (i.e., sets 8th-bit)
["HasStatusLine", "has_status_line", "hs", "hs"], # has extra status line
["InsertNullGlitch", "insert_null_glitch", "in", "in"], # insert mode distin‐ guishes nulls
["MemoryAbove", "memory_above", "da", "da"], # display may be retained above the screen
["MemoryBelow", "memory_below", "db", "db"], # display may be retained below the screen
["MoveInsertMode", "move_insert_mode", "mir", "mi"], # safe to move while in insert mode
["MoveStandoutMode", "move_standout_mode", "msgr", "ms"], # safe to move while in standout mode
["OverStrike", "over_strike", "os", "os"], # terminal can over‐ strike
["StatusLineEscOk", "status_line_esc_ok", "eslok", "es"], # escape can be used on the status line
["DestTabsMagicSmso", "dest_tabs_magic_smso", "xt", "xt", "teleray_glitch"], # tabs destructive, magic so char (t1061)
["TildeGlitch", "tilde_glitch", "hz", "hz"], # cannot print ~'s (hazeltine)
["TransparentUnderline", "transparent_underline", "ul", "ul"], # underline character overstrikes
["XonXoff", "xon_xoff", "xon", "xo"], # terminal uses xon/xoff handshaking
["NeedsXonXoff", "needs_xon_xoff", "nxon", "nx"], # padding will not work, xon/xoff required
["PrtrSilent", "prtr_silent", "mc5i", "5i"], # printer will not echo on screen
["HardCursor", "hard_cursor", "chts", "HC"], # cursor is hard to see
["NonRevRmcup", "non_rev_rmcup", "nrrmc", "NR"], # smcup does not reverse rmcup
["NoPadChar", "no_pad_char", "npc", "NP"], # pad character does not exist
["NonDestScrollRegion", "non_dest_scroll_region", "ndscr", "ND"], # scrolling region is non-destructive
["CanChange", "can_change", "ccc", "cc"], # terminal can re- define existing col‐ ors
["BackColorErase", "back_color_erase", "bce", "ut"], # screen erased with background color
["HueLightnessSaturation", "hue_lightness_saturation", "hls", "hl"], # terminal uses only HLS color notation (Tektronix)
["ColAddrGlitch", "col_addr_glitch", "xhpa", "YA"], # only positive motion for hpa/mhpa caps
["CrCancelsMicroMode", "cr_cancels_micro_mode", "crxm", "YB"], # using cr turns off micro mode
["HasPrintWheel", "has_print_wheel", "daisy", "YC"], # printer needs opera‐ tor to change char‐ acter set
["RowAddrGlitch", "row_addr_glitch", "xvpa", "YD"], # only positive motion for vpa/mvpa caps
["SemiAutoRightMargin", "semi_auto_right_margin", "sam", "YE"], # printing in last column causes cr
["CpiChangesRes", "cpi_changes_res", "cpix", "YF"], # changing character pitch changes reso‐ lution
["LpiChangesRes", "lpi_changes_res", "lpix", "YG"], # changing line pitch changes resolution
["BackspacesWithBs", "backspaces_with_bs", "OTbs"], #
["CrtNoScrolling", "crt_no_scrolling", "OTns"], #
["NoCorrectlyWorkingCr", "no_correctly_working_cr", "OTnc"], #
["GnuHasMetaKey", "gnu_has_meta_key", "OTMT"], #
["LinefeedIsNewline", "linefeed_is_newline", "OTNL"], #
["HasHardwareTabs", "has_hardware_tabs", "OTpt"], #
["ReturnDoesClrEol", "return_does_clr_eol", "OTxr"], #
]
class_getter int = [
["Columns", "columns", "cols", "co"], # number of columns in a line
["InitTabs", "init_tabs", "it", "it"], # tabs initially every # spaces
["Lines", "lines", "lines", "li"], # number of lines on screen or page
["LinesOfMemory", "lines_of_memory", "lm", "lm"], # lines of memory if > line. 0 means varies
["MagicCookieGlitch", "magic_cookie_glitch", "xmc", "sg"], # number of blank characters left by smso or rmso
["PaddingBaudRate", "padding_baud_rate", "pb", "pb"], # lowest baud rate where padding needed
["VirtualTerminal", "virtual_terminal", "vt", "vt"], # virtual terminal number (CB/unix)
["WidthStatusLine", "width_status_line", "wsl", "ws"], # number of columns in status line
["NumLabels", "num_labels", "nlab", "Nl"], # number of labels on screen
["LabelHeight", "label_height", "lh", "lh"], # rows in each label
["LabelWidth", "label_width", "lw", "lw"], # columns in each label
["MaxAttributes", "max_attributes", "ma", "ma"], # maximum combined attributes terminal can handle
["MaximumWindows", "maximum_windows", "wnum", "MW"], # maximum number of defineable windows
["MaxColors", "max_colors", "colors", "Co"], # maximum number of colors on screen
["MaxPairs", "max_pairs", "pairs", "pa"], # maximum number of color-pairs on the screen
["NoColorVideo", "no_color_video", "ncv", "NC"], # video attributes that cannot be used with colors
["BufferCapacity", "buffer_capacity", "bufsz", "Ya"], # numbers of bytes buffered before printing
["DotVertSpacing", "dot_vert_spacing", "spinv", "Yb"], # spacing of pins ver‐ tically in pins per inch
["DotHorzSpacing", "dot_horz_spacing", "spinh", "Yc"], # spacing of dots hor‐ izontally in dots per inch
["MaxMicroAddress", "max_micro_address", "maddr", "Yd"], # maximum value in micro_..._address
["MaxMicroJump", "max_micro_jump", "mjump", "Ye"], # maximum value in parm_..._micro
["MicroColSize", "micro_col_size", "mcs", "Yf", "micro_char_size"], # character step size when in micro mode
["MicroLineSize", "micro_line_size", "mls", "Yg"], # line step size when in micro mode
["NumberOfPins", "number_of_pins", "npins", "Yh"], # numbers of pins in print-head
["OutputResChar", "output_res_char", "orc", "Yi"], # horizontal resolu‐ tion in units per line
["OutputResLine", "output_res_line", "orl", "Yj"], # vertical resolution in units per line
["OutputResHorzInch", "output_res_horz_inch", "orhi", "Yk"], # horizontal resolu‐ tion in units per inch
["OutputResVertInch", "output_res_vert_inch", "orvi", "Yl"], # vertical resolution in units per inch
["PrintRate", "print_rate", "cps", "Ym"], # print rate in char‐ acters per second
["WideCharSize", "wide_char_size", "widcs", "Yn"], # character step size when in double wide mode
["Buttons", "buttons", "btns", "BT"], # number of buttons on mouse
["BitImageEntwining", "bit_image_entwining", "bitwin", "Yo"], # number of passes for each bit-image row
["BitImageType", "bit_image_type", "bitype", "Yp"], # type of bit-image device
["MagicCookieGlitchUl", "magic_cookie_glitch_ul", "UTug"], #
["CarriageReturnDelay", "carriage_return_delay", "OTdC"], #
["NewLineDelay", "new_line_delay", "OTdN"], #
["BackspaceDelay", "backspace_delay", "OTdB"], #
["HorizontalTabDelay", "horizontal_tab_delay", "OTdT"], #
["NumberOfFunctionKeys", "number_of_function_keys", "OTkn"], #
]
class_getter str = [
["BackTab", "back_tab", "cbt", "bt"], # back tab (P)
["Bell", "bell", "bel", "bl"], # audible signal (bell) (P)
["CarriageReturn", "carriage_return", "cr", "cr"], # carriage return (P*) (P*)
["ChangeScrollRegion", "change_scroll_region", "csr", "cs"], # change region to line #1 to line #2 (P)
["ClearAllTabs", "clear_all_tabs", "tbc", "ct"], # clear all tab stops (P)
["ClearScreen", "clear_screen", "clear", "cl"], # clear screen and home cursor (P*)
["ClrEol", "clr_eol", "el", "ce"], # clear to end of line (P)
["ClrEos", "clr_eos", "ed", "cd"], # clear to end of screen (P*)
["ColumnAddress", "column_address", "hpa", "ch"], # horizontal position #1, absolute (P)
["CommandCharacter", "command_character", "cmdch", "CC"], # terminal settable cmd character in prototype !?
["CursorAddress", "cursor_address", "cup", "cm", "cursor_position", "cursor_pos"], # move to row #1 col‐ umns #2
["CursorDown", "cursor_down", "cud1", "do"], # down one line
["CursorHome", "cursor_home", "home", "ho"], # home cursor (if no cup)
["CursorInvisible", "cursor_invisible", "civis", "vi"], # make cursor invisi‐ ble
["CursorLeft", "cursor_left", "cub1", "le"], # move left one space
["CursorMemAddress", "cursor_mem_address", "mrcup", "CM"], # memory relative cur‐ sor addressing, move to row #1 columns #2
["CursorNormal", "cursor_normal", "cnorm", "ve"], # make cursor appear normal (undo civis/cvvis)
["CursorRight", "cursor_right", "cuf1", "nd"], # non-destructive space (move right one space)
["CursorToLl", "cursor_to_ll", "ll", "ll"], # last line, first column (if no cup)
["CursorUp", "cursor_up", "cuu1", "up"], # up one line
["CursorVisible", "cursor_visible", "cvvis", "vs"], # make cursor very visible
["DeleteCharacter", "delete_character", "dch1", "dc"], # delete character (P*)
["DeleteLine", "delete_line", "dl1"], # "dl"], # delete line (P*) <-- termcap name already exists; disabled
["DisStatusLine", "dis_status_line", "dsl", "ds"], # disable status line
["DownHalfLine", "down_half_line", "hd", "hd"], # half a line down
["EnterAltCharsetMode", "enter_alt_charset_mode", "smacs", "as"], # start alternate character set (P)
["EnterBlinkMode", "enter_blink_mode", "blink", "mb"], # turn on blinking
["EnterBoldMode", "enter_bold_mode", "bold", "md"], # turn on bold (extra bright) mode
["EnterCaMode", "enter_ca_mode", "smcup", "ti"], # string to start pro‐ grams using cup
["EnterDeleteMode", "enter_delete_mode", "smdc", "dm"], # enter delete mode
["EnterDimMode", "enter_dim_mode", "dim", "mh"], # turn on half-bright mode
["EnterInsertMode", "enter_insert_mode", "smir", "im"], # enter insert mode
["EnterSecureMode", "enter_secure_mode", "invis", "mk"], # turn on blank mode (characters invisi‐ ble)
["EnterProtectedMode", "enter_protected_mode", "prot", "mp"], # turn on protected mode
["EnterReverseMode", "enter_reverse_mode", "rev", "mr"], # turn on reverse video mode
["EnterStandoutMode", "enter_standout_mode", "smso", "so"], # begin standout mode
["EnterUnderlineMode", "enter_underline_mode", "smul", "us"], # begin underline mode
["EraseChars", "erase_chars", "ech", "ec"], # erase #1 characters (P)
["ExitAltCharsetMode", "exit_alt_charset_mode", "rmacs", "ae"], # end alternate char‐ acter set (P)
["ExitAttributeMode", "exit_attribute_mode", "sgr0", "me"], # turn off all attributes
["ExitCaMode", "exit_ca_mode", "rmcup", "te"], # strings to end pro‐ grams using cup
["ExitDeleteMode", "exit_delete_mode", "rmdc"], # end delete mode # XXX removed "ed" tcap in favor of terminfo's "ed" (clr_eos)
["ExitInsertMode", "exit_insert_mode", "rmir", "ei"], # exit insert mode
["ExitStandoutMode", "exit_standout_mode", "rmso", "se"], # exit standout mode
["ExitUnderlineMode", "exit_underline_mode", "rmul", "ue"], # exit underline mode
["FlashScreen", "flash_screen", "flash", "vb"], # visible bell (may not move cursor)
["FormFeed", "form_feed", "ff", "ff"], # hardcopy terminal page eject (P*)
["FromStatusLine", "from_status_line", "fsl", "fs"], # return from status line
["Init1string", "init_1string", "is1", "i1"], # initialization string
["Init2string", "init_2string", "is2", "is"], # initialization string
["Init3string", "init_3string", "is3", "i3"], # initialization string
["InitFile", "init_file", "if", "if"], # name of initializa‐ tion file
["InsertCharacter", "insert_character", "ich1", "ic"], # insert character (P)
["InsertLine", "insert_line", "il1", "al"], # insert line (P*)
["InsertPadding", "insert_padding", "ip", "ip"], # insert padding after inserted character
["KeyBackspace", "key_backspace", "kbs", "kb"], # backspace key
["KeyCatab", "key_catab", "ktbc", "ka"], # clear-all-tabs key
["KeyClear", "key_clear", "kclr", "kC"], # clear-screen or erase key
["KeyCtab", "key_ctab", "kctab", "kt"], # clear-tab key
["KeyDc", "key_dc", "kdch1", "kD"], # delete-character key
["KeyDl", "key_dl", "kdl1", "kL"], # delete-line key
["KeyDown", "key_down", "kcud1", "kd"], # down-arrow key
["KeyEic", "key_eic", "krmir", "kM"], # sent by rmir or smir in insert mode
["KeyEol", "key_eol", "kel", "kE"], # clear-to-end-of-line key
["KeyEos", "key_eos", "ked", "kS"], # clear-to-end-of- screen key
["KeyF0", "key_f0", "kf0", "k0"], # F0 function key
["KeyF1", "key_f1", "kf1", "k1"], # F1 function key
["KeyF10", "key_f10", "kf10", "k;"], # F10 function key
["KeyF2", "key_f2", "kf2", "k2"], # F2 function key
["KeyF3", "key_f3", "kf3", "k3"], # F3 function key
["KeyF4", "key_f4", "kf4", "k4"], # F4 function key
["KeyF5", "key_f5", "kf5", "k5"], # F5 function key
["KeyF6", "key_f6", "kf6", "k6"], # F6 function key
["KeyF7", "key_f7", "kf7", "k7"], # F7 function key
["KeyF8", "key_f8", "kf8", "k8"], # F8 function key
["KeyF9", "key_f9", "kf9", "k9"], # F9 function key
["KeyHome", "key_home", "khome", "kh"], # home key
["KeyIc", "key_ic", "kich1", "kI"], # insert-character key
["KeyIl", "key_il", "kil1", "kA"], # insert-line key
["KeyLeft", "key_left", "kcub1", "kl"], # left-arrow key
["KeyLl", "key_ll", "kll", "kH"], # lower-left key (home down)
["KeyNpage", "key_npage", "knp", "kN"], # next-page key
["KeyPpage", "key_ppage", "kpp", "kP"], # previous-page key
["KeyRight", "key_right", "kcuf1", "kr"], # right-arrow key
["KeySf", "key_sf", "kind", "kF"], # scroll-forward key
["KeySr", "key_sr", "kri", "kR"], # scroll-backward key
["KeyStab", "key_stab", "khts", "kT"], # set-tab key
["KeyUp", "key_up", "kcuu1", "ku"], # up-arrow key
["KeypadLocal", "keypad_local", "rmkx", "ke"], # leave "key‐ board_transmit" mode
["KeypadXmit", "keypad_xmit", "smkx", "ks", "enter_keyboard_transmit_mode"], # enter "key‐ board_transmit" mode
["LabF0", "lab_f0", "lf0", "l0"], # label on function key f0 if not f0
["LabF1", "lab_f1", "lf1", "l1"], # label on function key f1 if not f1
["LabF10", "lab_f10", "lf10", "la"], # label on function key f10 if not f10
["LabF2", "lab_f2", "lf2", "l2"], # label on function key f2 if not f2
["LabF3", "lab_f3", "lf3", "l3"], # label on function key f3 if not f3
["LabF4", "lab_f4", "lf4", "l4"], # label on function key f4 if not f4
["LabF5", "lab_f5", "lf5", "l5"], # label on function key f5 if not f5
["LabF6", "lab_f6", "lf6", "l6"], # label on function key f6 if not f6
["LabF7", "lab_f7", "lf7", "l7"], # label on function key f7 if not f7
["LabF8", "lab_f8", "lf8", "l8"], # label on function key f8 if not f8
["LabF9", "lab_f9", "lf9", "l9"], # label on function key f9 if not f9
["MetaOff", "meta_off", "rmm", "mo"], # turn off meta mode
["MetaOn", "meta_on", "smm", "mm"], # turn on meta mode (8th-bit on)
["Newline", "newline", "nel", "nw"], # newline (behave like cr followed by lf)
["PadChar", "pad_char", "pad", "pc"], # padding char (instead of null)
["ParmDch", "parm_dch", "dch", "DC"], # delete #1 characters (P*)
["ParmDeleteLine", "parm_delete_line", "dl", "DL"], # delete #1 lines (P*)
["ParmDownCursor", "parm_down_cursor", "cud", "DO"], # down #1 lines (P*)
["ParmIch", "parm_ich", "ich", "IC"], # insert #1 characters (P*)
["ParmIndex", "parm_index", "indn", "SF"], # scroll forward #1 lines (P)
["ParmInsertLine", "parm_insert_line", "il", "AL"], # insert #1 lines (P*)
["ParmLeftCursor", "parm_left_cursor", "cub", "LE"], # move #1 characters to the left (P)
["ParmRightCursor", "parm_right_cursor", "cuf", "RI"], # move #1 characters to the right (P*)
["ParmRindex", "parm_rindex", "rin", "SR"], # scroll back #1 lines (P)
["ParmUpCursor", "parm_up_cursor", "cuu", "UP"], # up #1 lines (P*)
["PkeyKey", "pkey_key", "pfkey", "pk"], # program function key #1 to type string #2
["PkeyLocal", "pkey_local", "pfloc", "pl"], # program function key #1 to execute string #2
["PkeyXmit", "pkey_xmit", "pfx", "px"], # program function key #1 to transmit string #2
["PrintScreen", "print_screen", "mc0", "ps"], # print contents of screen
["PrtrOff", "prtr_off", "mc4", "pf"], # turn off printer
["PrtrOn", "prtr_on", "mc5", "po"], # turn on printer
["RepeatChar", "repeat_char", "rep", "rp"], # repeat char #1 #2 times (P*)
["Reset1string", "reset_1string", "rs1", "r1"], # reset string
["Reset2string", "reset_2string", "rs2", "r2"], # reset string
["Reset3string", "reset_3string", "rs3", "r3"], # reset string
["ResetFile", "reset_file", "rf", "rf"], # name of reset file
["RestoreCursor", "restore_cursor", "rc", "rc"], # restore cursor to position of last save_cursor
["RowAddress", "row_address", "vpa", "cv"], # vertical position #1 absolute (P)
["SaveCursor", "save_cursor", "sc", "sc"], # save current cursor position (P)
["ScrollForward", "scroll_forward", "ind", "sf"], # scroll text up (P)
["ScrollReverse", "scroll_reverse", "ri", "sr"], # scroll text down (P)
["SetAttributes", "set_attributes", "sgr", "sa"], # define video attributes #1-#9 (PG9)
["SetTab", "set_tab", "hts", "st"], # set a tab in every row, current columns
["SetWindow", "set_window", "wind", "wi"], # current window is lines #1-#2 cols #3-#4
["Tab", "tab", "ht", "ta"], # tab to next 8-space hard‐ ware tab stop
["ToStatusLine", "to_status_line", "tsl", "ts"], # move to status line, col‐ umn #1
["UnderlineChar", "underline_char", "uc", "uc"], # underline char and move past it
["UpHalfLine", "up_half_line", "hu", "hu"], # half a line up
["InitProg", "init_prog", "iprog", "iP"], # path name of program for initialization
["KeyA1", "key_a1", "ka1", "K1"], # upper left of keypad
["KeyA3", "key_a3", "ka3", "K3"], # upper right of key‐ pad
["KeyB2", "key_b2", "kb2", "K2"], # center of keypad
["KeyC1", "key_c1", "kc1", "K4"], # lower left of keypad
["KeyC3", "key_c3", "kc3", "K5"], # lower right of key‐ pad
["PrtrNon", "prtr_non", "mc5p", "pO"], # turn on printer for #1 bytes
["CharPadding", "char_padding", "rmp", "rP"], # like ip but when in insert mode
["AcsChars", "acs_chars", "acsc", "ac"], # graphics charset pairs, based on vt100
["PlabNorm", "plab_norm", "pln", "pn"], # program label #1 to show string #2
["KeyBtab", "key_btab", "kcbt", "kB"], # back-tab key
["EnterXonMode", "enter_xon_mode", "smxon", "SX"], # turn on xon/xoff handshaking
["ExitXonMode", "exit_xon_mode", "rmxon", "RX"], # turn off xon/xoff handshaking
["EnterAmMode", "enter_am_mode", "smam", "SA"], # turn on automatic margins
["ExitAmMode", "exit_am_mode", "rmam", "RA"], # turn off automatic margins
["XonCharacter", "xon_character", "xonc", "XN"], # XON character
["XoffCharacter", "xoff_character", "xoffc", "XF"], # XOFF character
["EnaAcs", "ena_acs", "enacs", "eA", "enable_acs"], # enable alternate char set
["LabelOn", "label_on", "smln", "LO"], # turn on soft labels
["LabelOff", "label_off", "rmln", "LF"], # turn off soft labels
["KeyBeg", "key_beg", "kbeg", "@1"], # begin key
["KeyCancel", "key_cancel", "kcan", "@2"], # cancel key
["KeyClose", "key_close", "kclo", "@3"], # close key
["KeyCommand", "key_command", "kcmd", "@4"], # command key
["KeyCopy", "key_copy", "kcpy", "@5"], # copy key
["KeyCreate", "key_create", "kcrt", "@6"], # create key
["KeyEnd", "key_end", "kend", "@7"], # end key
["KeyEnter", "key_enter", "kent", "@8"], # enter/send key
["KeyExit", "key_exit", "kext", "@9"], # exit key
["KeyFind", "key_find", "kfnd", "@0"], # find key
["KeyHelp", "key_help", "khlp", "%1"], # help key
["KeyMark", "key_mark", "kmrk", "%2"], # mark key
["KeyMessage", "key_message", "kmsg", "%3"], # message key
["KeyMove", "key_move", "kmov", "%4"], # move key
["KeyNext", "key_next", "knxt", "%5"], # next key
["KeyOpen", "key_open", "kopn", "%6"], # open key
["KeyOptions", "key_options", "kopt", "%7"], # options key
["KeyPrevious", "key_previous", "kprv", "%8"], # previous key
["KeyPrint", "key_print", "kprt", "%9"], # print key
["KeyRedo", "key_redo", "krdo", "%0"], # redo key
["KeyReference", "key_reference", "kref", "&1"], # reference key
["KeyRefresh", "key_refresh", "krfr", "&2"], # refresh key
["KeyReplace", "key_replace", "krpl", "&3"], # replace key
["KeyRestart", "key_restart", "krst", "&4"], # restart key
["KeyResume", "key_resume", "kres", "&5"], # resume key
["KeySave", "key_save", "ksav", "&6"], # save key
["KeySuspend", "key_suspend", "kspd", "&7"], # suspend key
["KeyUndo", "key_undo", "kund", "&8"], # undo key
["KeySbeg", "key_sbeg", "kBEG", "&9"], # shifted begin key
["KeyScancel", "key_scancel", "kCAN", "&0"], # shifted cancel key
["KeyScommand", "key_scommand", "kCMD", "*1"], # shifted command key
["KeyScopy", "key_scopy", "kCPY", "*2"], # shifted copy key
["KeyScreate", "key_screate", "kCRT", "*3"], # shifted create key
["KeySdc", "key_sdc", "kDC", "*4"], # shifted delete-char‐ acter key
["KeySdl", "key_sdl", "kDL", "*5"], # shifted delete-line key
["KeySelect", "key_select", "kslt", "*6"], # select key
["KeySend", "key_send", "kEND", "*7"], # shifted end key
["KeySeol", "key_seol", "kEOL", "*8"], # shifted clear-to- end-of-line key
["KeySexit", "key_sexit", "kEXT", "*9"], # shifted exit key
["KeySfind", "key_sfind", "kFND", "*0"], # shifted find key
["KeyShelp", "key_shelp", "kHLP", "#1"], # shifted help key
["KeyShome", "key_shome", "kHOM", "#2"], # shifted home key
["KeySic", "key_sic", "kIC", "#3"], # shifted insert-char‐ acter key
["KeySleft", "key_sleft", "kLFT", "#4"], # shifted left-arrow key
["KeySmessage", "key_smessage", "kMSG", "%a"], # shifted message key
["KeySmove", "key_smove", "kMOV", "%b"], # shifted move key
["KeySnext", "key_snext", "kNXT", "%c"], # shifted next key
["KeySoptions", "key_soptions", "kOPT", "%d"], # shifted options key
["KeySprevious", "key_sprevious", "kPRV", "%e"], # shifted previous key
["KeySprint", "key_sprint", "kPRT", "%f"], # shifted print key
["KeySredo", "key_sredo", "kRDO", "%g"], # shifted redo key
["KeySreplace", "key_sreplace", "kRPL", "%h"], # shifted replace key
["KeySright", "key_sright", "kRIT", "%i"], # shifted right-arrow key
["KeySrsume", "key_srsume", "kRES", "%j"], # shifted resume key
["KeySsave", "key_ssave", "kSAV", "!1"], # shifted save key
["KeySsuspend", "key_ssuspend", "kSPD", "!2"], # shifted suspend key
["KeySundo", "key_sundo", "kUND", "!3"], # shifted undo key
["ReqForInput", "req_for_input", "rfi", "RF"], # send next input char (for ptys)
["KeyF11", "key_f11", "kf11", "F1"], # F11 function key
["KeyF12", "key_f12", "kf12", "F2"], # F12 function key
["KeyF13", "key_f13", "kf13", "F3"], # F13 function key
["KeyF14", "key_f14", "kf14", "F4"], # F14 function key
["KeyF15", "key_f15", "kf15", "F5"], # F15 function key
["KeyF16", "key_f16", "kf16", "F6"], # F16 function key
["KeyF17", "key_f17", "kf17", "F7"], # F17 function key
["KeyF18", "key_f18", "kf18", "F8"], # F18 function key
["KeyF19", "key_f19", "kf19", "F9"], # F19 function key
["KeyF20", "key_f20", "kf20", "FA"], # F20 function key
["KeyF21", "key_f21", "kf21", "FB"], # F21 function key
["KeyF22", "key_f22", "kf22", "FC"], # F22 function key
["KeyF23", "key_f23", "kf23", "FD"], # F23 function key
["KeyF24", "key_f24", "kf24", "FE"], # F24 function key
["KeyF25", "key_f25", "kf25", "FF"], # F25 function key
["KeyF26", "key_f26", "kf26", "FG"], # F26 function key
["KeyF27", "key_f27", "kf27", "FH"], # F27 function key
["KeyF28", "key_f28", "kf28", "FI"], # F28 function key
["KeyF29", "key_f29", "kf29", "FJ"], # F29 function key
["KeyF30", "key_f30", "kf30", "FK"], # F30 function key
["KeyF31", "key_f31", "kf31", "FL"], # F31 function key
["KeyF32", "key_f32", "kf32", "FM"], # F32 function key
["KeyF33", "key_f33", "kf33", "FN"], # F33 function key
["KeyF34", "key_f34", "kf34", "FO"], # F34 function key
["KeyF35", "key_f35", "kf35", "FP"], # F35 function key
["KeyF36", "key_f36", "kf36", "FQ"], # F36 function key
["KeyF37", "key_f37", "kf37", "FR"], # F37 function key
["KeyF38", "key_f38", "kf38", "FS"], # F38 function key
["KeyF39", "key_f39", "kf39", "FT"], # F39 function key
["KeyF40", "key_f40", "kf40", "FU"], # F40 function key
["KeyF41", "key_f41", "kf41", "FV"], # F41 function key
["KeyF42", "key_f42", "kf42", "FW"], # F42 function key
["KeyF43", "key_f43", "kf43", "FX"], # F43 function key
["KeyF44", "key_f44", "kf44", "FY"], # F44 function key
["KeyF45", "key_f45", "kf45", "FZ"], # F45 function key
["KeyF46", "key_f46", "kf46", "Fa"], # F46 function key
["KeyF47", "key_f47", "kf47", "Fb"], # F47 function key
["KeyF48", "key_f48", "kf48", "Fc"], # F48 function key
["KeyF49", "key_f49", "kf49", "Fd"], # F49 function key
["KeyF50", "key_f50", "kf50", "Fe"], # F50 function key
["KeyF51", "key_f51", "kf51", "Ff"], # F51 function key
["KeyF52", "key_f52", "kf52", "Fg"], # F52 function key
["KeyF53", "key_f53", "kf53", "Fh"], # F53 function key
["KeyF54", "key_f54", "kf54", "Fi"], # F54 function key
["KeyF55", "key_f55", "kf55", "Fj"], # F55 function key
["KeyF56", "key_f56", "kf56", "Fk"], # F56 function key
["KeyF57", "key_f57", "kf57", "Fl"], # F57 function key
["KeyF58", "key_f58", "kf58", "Fm"], # F58 function key
["KeyF59", "key_f59", "kf59", "Fn"], # F59 function key
["KeyF60", "key_f60", "kf60", "Fo"], # F60 function key
["KeyF61", "key_f61", "kf61", "Fp"], # F61 function key
["KeyF62", "key_f62", "kf62", "Fq"], # F62 function key
["KeyF63", "key_f63", "kf63", "Fr"], # F63 function key
["ClrBol", "clr_bol", "el1", "cb"], # Clear to beginning of line
["ClearMargins", "clear_margins", "mgc", "MC"], # clear right and left soft margins
["SetLeftMargin", "set_left_margin", "smgl", "ML"], # set left soft margin at current col‐ umn. See smgl. (ML is not in BSD termcap).
["SetRightMargin", "set_right_margin", "smgr", "MR"], # set right soft margin at current column
["LabelFormat", "label_format", "fln", "Lf"], # label format
["SetClock", "set_clock", "sclk", "SC"], # set clock, #1 hrs #2 mins #3 secs
["DisplayClock", "display_clock", "dclk", "DK"], # display clock
["RemoveClock", "remove_clock", "rmclk", "RC"], # remove clock
["CreateWindow", "create_window", "cwin", "CW"], # define a window #1 from #2,#3 to #4,#5
["GotoWindow", "goto_window", "wingo", "WG"], # go to window #1
["Hangup", "hangup", "hup", "HU"], # hang-up phone
["DialPhone", "dial_phone", "dial", "DI"], # dial number #1
["QuickDial", "quick_dial", "qdial", "QD"], # dial number #1 with‐ out checking
["Tone", "tone", "tone", "TO"], # select touch tone dialing
["Pulse", "pulse", "pulse", "PU"], # select pulse dialing
["FlashHook", "flash_hook", "hook", "fh"], # flash switch hook
["FixedPause", "fixed_pause", "pause", "PA"], # pause for 2-3 sec‐ onds
["WaitTone", "wait_tone", "wait", "WA"], # wait for dial-tone
["User0", "user0", "u0", "u0"], # User string #0
["User1", "user1", "u1", "u1"], # User string #1
["User2", "user2", "u2", "u2"], # User string #2
["User3", "user3", "u3", "u3"], # User string #3
["User4", "user4", "u4", "u4"], # User string #4
["User5", "user5", "u5", "u5"], # User string #5
["User6", "user6", "u6", "u6"], # User string #6
["User7", "user7", "u7", "u7"], # User string #7
["User8", "user8", "u8", "u8"], # User string #8
["User9", "user9", "u9", "u9"], # User string #9
["OrigPair", "orig_pair", "op", "op"], # Set default pair to its original value
["OrigColors", "orig_colors", "oc", "oc"], # Set all color pairs to the original ones
["InitializeColor", "initialize_color", "initc", "Ic"], # initialize color #1 to (#2,#3,#4)
["InitializePair", "initialize_pair", "initp", "Ip"], # Initialize color pair #1 to fg=(#2,#3,#4), bg=(#5,#6,#7)
["SetColorPair", "set_color_pair", "scp", "sp"], # Set current color pair to #1
["SetForeground", "set_foreground", "setf", "Sf"], # Set foreground color #1
["SetBackground", "set_background", "setb", "Sb"], # Set background color #1
["ChangeCharPitch", "change_char_pitch", "cpi", "ZA"], # Change number of characters per inch to #1
["ChangeLinePitch", "change_line_pitch", "lpi", "ZB"], # Change number of lines per inch to #1
["ChangeResHorz", "change_res_horz", "chr", "ZC"], # Change horizontal resolution to #1
["ChangeResVert", "change_res_vert", "cvr", "ZD"], # Change vertical res‐ olution to #1
["DefineChar", "define_char", "defc", "ZE"], # Define a character #1, #2 dots wide, descender #3
["EnterDoublewideMode", "enter_doublewide_mode", "swidm", "ZF"], # Enter double-wide mode
["EnterDraftQuality", "enter_draft_quality", "sdrfq", "ZG"], # Enter draft-quality mode
["EnterItalicsMode", "enter_italics_mode", "sitm", "ZH"], # Enter italic mode
["EnterLeftwardMode", "enter_leftward_mode", "slm", "ZI"], # Start leftward car‐ riage motion
["EnterMicroMode", "enter_micro_mode", "smicm", "ZJ"], # Start micro-motion mode
["EnterNearLetterQuality", "enter_near_letter_quality", "snlq", "ZK"], # Enter NLQ mode
["EnterNormalQuality", "enter_normal_quality", "snrmq", "ZL"], # Enter normal-quality mode
["EnterShadowMode", "enter_shadow_mode", "sshm", "ZM"], # Enter shadow-print mode
["EnterSubscriptMode", "enter_subscript_mode", "ssubm", "ZN"], # Enter subscript mode
["EnterSuperscriptMode", "enter_superscript_mode", "ssupm", "ZO"], # Enter superscript mode
["EnterUpwardMode", "enter_upward_mode", "sum", "ZP"], # Start upward car‐ riage motion
["ExitDoublewideMode", "exit_doublewide_mode", "rwidm", "ZQ"], # End double-wide mode
["ExitItalicsMode", "exit_italics_mode", "ritm", "ZR"], # End italic mode
["ExitLeftwardMode", "exit_leftward_mode", "rlm", "ZS"], # End left-motion mode
["ExitMicroMode", "exit_micro_mode", "rmicm", "ZT"], # End micro-motion mode
["ExitShadowMode", "exit_shadow_mode", "rshm", "ZU"], # End shadow-print mode
["ExitSubscriptMode", "exit_subscript_mode", "rsubm", "ZV"], # End subscript mode
["ExitSuperscriptMode", "exit_superscript_mode", "rsupm", "ZW"], # End superscript mode
["ExitUpwardMode", "exit_upward_mode", "rum", "ZX"], # End reverse charac‐ ter motion
["MicroColumnAddress", "micro_column_address", "mhpa", "ZY"], # Like column_address in micro mode
["MicroDown", "micro_down", "mcud1", "ZZ"], # Like cursor_down in micro mode
["MicroLeft", "micro_left", "mcub1", "Za"], # Like cursor_left in micro mode
["MicroRight", "micro_right", "mcuf1", "Zb"], # Like cursor_right in micro mode
["MicroRowAddress", "micro_row_address", "mvpa", "Zc"], # Like row_address #1 in micro mode
["MicroUp", "micro_up", "mcuu1", "Zd"], # Like cursor_up in micro mode
["OrderOfPins", "order_of_pins", "porder", "Ze"], # Match software bits to print-head pins
["ParmDownMicro", "parm_down_micro", "mcud", "Zf"], # Like parm_down_cur‐ sor in micro mode
["ParmLeftMicro", "parm_left_micro", "mcub", "Zg"], # Like parm_left_cur‐ sor in micro mode
["ParmRightMicro", "parm_right_micro", "mcuf", "Zh"], # Like parm_right_cur‐ sor in micro mode
["ParmUpMicro", "parm_up_micro", "mcuu", "Zi"], # Like parm_up_cursor in micro mode
["SelectCharSet", "select_char_set", "scs", "Zj"], # Select character set, #1
["SetBottomMargin", "set_bottom_margin", "smgb", "Zk"], # Set bottom margin at current line
["SetBottomMarginParm", "set_bottom_margin_parm", "smgbp", "Zl"], # Set bottom margin at line #1 or (if smgtp is not given) #2 lines from bottom
["SetLeftMarginParm", "set_left_margin_parm", "smglp", "Zm"], # Set left (right) margin at column #1
["SetRightMarginParm", "set_right_margin_parm", "smgrp", "Zn"], # Set right margin at column #1
["SetTopMargin", "set_top_margin", "smgt", "Zo"], # Set top margin at current line
["SetTopMarginParm", "set_top_margin_parm", "smgtp", "Zp"], # Set top (bottom) margin at row #1
["StartBitImage", "start_bit_image", "sbim", "Zq"], # Start printing bit image graphics
["StartCharSetDef", "start_char_set_def", "scsd", "Zr"], # Start character set defi‐ nition #1, with #2 charac‐ ters in the set
["StopBitImage", "stop_bit_image", "rbim", "Zs"], # Stop printing bit image graphics
["StopCharSetDef", "stop_char_set_def", "rcsd", "Zt"], # End definition of charac‐ ter set #1
["SubscriptCharacters", "subscript_characters", "subcs", "Zu"], # List of subscriptable characters
["SuperscriptCharacters", "superscript_characters", "supcs", "Zv"], # List of superscriptable characters
["TheseCauseCr", "these_cause_cr", "docr", "Zw"], # Printing any of these characters causes CR
["ZeroMotion", "zero_motion", "zerom", "Zx"], # No motion for subsequent character
["CharSetNames", "char_set_names", "csnm", "Zy"], # Produce #1"th item from list of char‐ acter set names
["KeyMouse", "key_mouse", "kmous", "Km"], # Mouse event has occurred
["MouseInfo", "mouse_info", "minfo", "Mi"], # Mouse status information
["ReqMousePos", "req_mouse_pos", "reqmp", "RQ"], # Request mouse position
["GetMouse", "get_mouse", "getm", "Gm"], # Curses should get button events, parameter #1 not documented.
["SetAForeground", "set_a_foreground", "setaf", "AF"], # Set foreground color to #1, using ANSI escape
["SetABackground", "set_a_background", "setab", "AB"], # Set background color to #1, using ANSI escape
["PkeyPlab", "pkey_plab", "pfxl", "xl"], # Program function key #1 to type string #2 and show string #3
["DeviceType", "device_type", "devt", "dv"], # Indicate lan‐ guage/codeset sup‐ port
["CodeSetInit", "code_set_init", "csin", "ci"], # Init sequence for multiple codesets
["Set0DesSeq", "set0_des_seq", "s0ds", "s0"], # Shift to codeset 0 (EUC set 0, ASCII)
["Set1DesSeq", "set1_des_seq", "s1ds", "s1"], # Shift to codeset 1
["Set2DesSeq", "set2_des_seq", "s2ds", "s2"], # Shift to codeset 2
["Set3DesSeq", "set3_des_seq", "s3ds", "s3"], # Shift to codeset 3
["SetLrMargin", "set_lr_margin", "smglr"], # Set both left and right margins to #1, #2. (ML is not in BSD term‐ cap). # XXX removed tcap "ML" in favor of tcap "ML" (set_left_margin)
["SetTbMargin", "set_tb_margin", "smgtb", "MT"], # Sets both top and bottom margins to #1, #2
["BitImageRepeat", "bit_image_repeat", "birep", "Xy"], # Repeat bit image cell #1 #2 times
["BitImageNewline", "bit_image_newline", "binel", "Zz"], # Move to next row of the bit image
["BitImageCarriageReturn", "bit_image_carriage_return", "bicr", "Yv"], # Move to beginning of same row
["ColorNames", "color_names", "colornm", "Yw"], # Give name for color #1
["DefineBitImageRegion", "define_bit_image_region", "defbi", "Yx"], # Define rectan‐ gualar bit image region
["EndBitImageRegion", "end_bit_image_region", "endbi", "Yy"], # End a bit-image region
["SetColorBand", "set_color_band", "setcolor", "Yz"], # Change to ribbon color #1
["SetPageLength", "set_page_length", "slines", "YZ"], # Set page length to #1 lines
["DisplayPcChar", "display_pc_char", "dispc", "S1"], # Display PC charac‐ ter #1
["EnterPcCharsetMode", "enter_pc_charset_mode", "smpch", "S2"], # Enter PC character display mode
["ExitPcCharsetMode", "exit_pc_charset_mode", "rmpch", "S3"], # Exit PC character display mode
["EnterScancodeMode", "enter_scancode_mode", "smsc", "S4"], # Enter PC scancode mode
["ExitScancodeMode", "exit_scancode_mode", "rmsc", "S5"], # Exit PC scancode mode
["PcTermOptions", "pc_term_options", "pctrm", "S6"], # PC terminal options
["ScancodeEscape", "scancode_escape", "scesc", "S7"], # Escape for scan‐ code emulation
["AltScancodeEsc", "alt_scancode_esc", "scesa", "S8"], # Alternate escape for scancode emu‐ lation
["EnterHorizontalHlMode", "enter_horizontal_hl_mode", "ehhlm", "Xh"], # Enter horizontal highlight mode
["EnterLeftHlMode", "enter_left_hl_mode", "elhlm", "Xl"], # Enter left highlight mode
["EnterLowHlMode", "enter_low_hl_mode", "elohlm", "Xo"], # Enter low highlight mode
["EnterRightHlMode", "enter_right_hl_mode", "erhlm", "Xr"], # Enter right high‐ light mode
["EnterTopHlMode", "enter_top_hl_mode", "ethlm", "Xt"], # Enter top highlight mode
["EnterVerticalHlMode", "enter_vertical_hl_mode", "evhlm", "Xv"], # Enter vertical high‐ light mode
["SetAAttributes", "set_a_attributes", "sgr1", "sA"], # Define second set of video attributes #1-#6
["SetPglenInch", "set_pglen_inch", "slength", "sL"], # YI Set page length to #1 hundredth of an inch
["TermcapInit2", "termcap_init2", "OTi2"], #
["TermcapReset", "termcap_reset", "OTrs"], #
["LinefeedIfNotLf", "linefeed_if_not_lf", "OTnl"], #
["BackspaceIfNotBs", "backspace_if_not_bs"], # XXX Removed OTBs in favor of backspaces_with_bs
["OtherNonFunctionKeys", "other_non_function_keys", "OTko"], #
["ArrowKeyMap", "arrow_key_map", "OTma"], #
["AcsUlcorner", "acs_ulcorner", "OTG2"], #
["AcsLlcorner", "acs_llcorner", "OTG3"], #
["AcsUrcorner", "acs_urcorner", "OTG1"], #
["AcsLrcorner", "acs_lrcorner", "OTG4"], #
["AcsLtee", "acs_ltee", "OTGR"], #
["AcsRtee", "acs_rtee", "OTGL"], #
["AcsBtee", "acs_btee", "OTGU"], #
["AcsTtee", "acs_ttee", "OTGD"], #
["AcsHline", "acs_hline", "OTGH"], #
["AcsVline", "acs_vline", "OTGV"], #
["AcsPlus", "acs_plus", "OTGC"], #
["MemoryLock", "memory_lock", "meml"], #
["MemoryUnlock", "memory_unlock", "memu"], #
["BoxChars1", "box_chars_1", "box1"], #
]
end
Currently using the Crystal API is not possible to have an extended capability of the same name existing in multiple sections.
Run crystal spec as usual.
Run crystal docs as usual.
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All the fine folks on Libera.Chat IRC channel #crystal-lang and other Crystal community places (https://crystal-lang.org/community/)
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Blacksmoke16
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HertzDevil