log file 아래에 첨부합니다. LaTeX 초보라 저는 봐도 잘 모르겠네요.

제가 지금 쓰고 있는 배포판은 Windows용 ko.TeX Live 2011 (Build 2011729) 입니다.

이게 최신인 것 같은데, 지금 두 컴퓨터에 설치해봤는데 똑같은 증상이네요.

설치 디렉토리를 임의로 바꾼 것이 영향이 있을 수 있나요?

<test.log>

================================================

This is XeTeX, Version 3.1415926-2.3-0.9997.5 (Web2C 2011) (format=xelatex 2012.1.13)  16 JAN 2012 15:25
entering extended mode
 restricted \write18 enabled.
 %&-line parsing enabled.
**test.tex
(./test.tex
LaTeX2e <2011/06/27>
Babel <v3.8m> and hyphenation patterns for english, dumylang, nohyphenation, ge
rman-x-2011-07-01, ngerman-x-2011-07-01, afrikaans, ancientgreek, ibycus, arabi
c, armenian, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danis
h, dutch, ukenglish, usenglishmax, esperanto, estonian, ethiopic, farsi, finnis
h, french, galician, german, ngerman, swissgerman, monogreek, greek, hungarian,
 icelandic, assamese, bengali, gujarati, hindi, kannada, malayalam, marathi, or
iya, panjabi, tamil, telugu, indonesian, interlingua, irish, italian, kurmanji,
 lao, latin, latvian, lithuanian, mongolian, mongolianlmc, bokmal, nynorsk, pol
ish, portuguese, romanian, russian, sanskrit, serbian, serbianc, slovak, sloven
ian, spanish, swedish, turkish, turkmen, ukrainian, uppersorbian, welsh, loaded
.
(d:/kotexlive/2011/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
(d:/kotexlive/2011/texmf-dist/tex/latex/base/size10.clo
File: size10.clo 2007/10/19 v1.4h Standard LaTeX file (size option)
)
\c@part=\count80
\c@section=\count81
\c@subsection=\count82
\c@subsubsection=\count83
\c@paragraph=\count84
\c@subparagraph=\count85
\c@figure=\count86
\c@table=\count87
\abovecaptionskip=\skip41
\belowcaptionskip=\skip42
\bibindent=\dimen102
)
(d:/kotexlive/2011/texmf-dist/tex/latex/kotex/kotex.sty
Package: kotex 2007/07/15 v0.1.0 Korean TeX (ko.TeX)

(d:/kotexlive/2011/texmf-dist/tex/latex/kotex/kotex.cfg)
(d:/kotexlive/2011/texmf-dist/tex/latex/kotex/utf/dhucs.sty
Package: dhucs 2009/08/20 v5.2.1 typesetting UTF-8 Korean documents

(d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko.sty
Package: xetexko 2009/12/03 v1.0 Korean typesetting under XeTeX

(d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko-space.sty
Package: xetexko-space 2011/07/11 v1.97 Korean spacings and fonts under XeTeX
\XKcjkclosing=\XeTeXintercharclass4
\XKcjkcolon=\XeTeXintercharclass5
\XKcjkfullstop=\XeTeXintercharclass6
\XKcjkliaison=\XeTeXintercharclass7
\XKcjkextrastop=\XeTeXintercharclass8
\XKcjksymbol=\XeTeXintercharclass9
\XKhangulsyllable=\XeTeXintercharclass10
\XKhangulchosong=\XeTeXintercharclass11
\XKhanguljungjong=\XeTeXintercharclass12
\XKlatinopening=\XeTeXintercharclass13
\XKlatinclosing=\XeTeXintercharclass14
\XKopeningquote=\XeTeXintercharclass15
\XKclosingquote=\XeTeXintercharclass16
\XKlatinfullstop=\XeTeXintercharclass17
\XKlatinquestion=\XeTeXintercharclass18
\XKlatinexclamation=\XeTeXintercharclass19
\XKlatinhyphen=\XeTeXintercharclass20
\XKlatincomma=\XeTeXintercharclass21
\XKlatincolon=\XeTeXintercharclass22
\XKlatinnumber=\XeTeXintercharclass23
)
(d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko-dotemph.sty
Package: xetexko-dotemph 2011/03/14 v1.2 dot-emphasis under xetexko
) (d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko-josa.sty
Package: xetexko-josa 2010/02/10 v1.8.4 Korean auto-josa under XeTeX
\@josa=\count88
) (d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko-hyper.sty
Package: xetexko-hyper 2011/03/14 v1.8 xetexko supports hyperref outline
) (d:/kotexlive/2011/texmf-dist/tex/xelatex/kotex-dev/xetexko/xetexko-font.sty
Package: xetexko-font 2011/05/24 v1.94 Korean font definition with xetex-ko

(d:/kotexlive/2011/texmf-dist/tex/latex/xltxtra/xltxtra.sty
Package: xltxtra 2010/09/20 v0.5e Improvements for the "XeLaTeX" format

(d:/kotexlive/2011/texmf-dist/tex/generic/oberdiek/ifluatex.sty
Package: ifluatex 2010/03/01 v1.3 Provides the ifluatex switch (HO)
Package ifluatex Info: LuaTeX not detected.
)
(d:/kotexlive/2011/texmf-dist/tex/generic/ifxetex/ifxetex.sty
Package: ifxetex 2010/09/12 v0.6 Provides ifxetex conditional
)
(d:/kotexlive/2011/texmf-dist/tex/latex/fontspec/fontspec.sty
Package: fontspec 2011/09/18 v2.2a Advanced font selection for XeLaTeX/LuaLaTeX


(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/expl3.sty
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3names.sty
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3bootstrap.sty
Package: l3bootstrap 2011/11/25 v3006 L3 Experimental bootstrap code
)
Package: l3names 2011/11/11 v2944 L3 Experimental namespace for primitives
)
(d:/kotexlive/2011/texmf-dist/tex/latex/etex-pkg/etex.sty
Package: etex 1998/03/26 v2.0 eTeX basic definition package (PEB)
\et@xins=\count89
)
(d:/kotexlive/2011/texmf-dist/tex/latex/tools/calc.sty
Package: calc 2007/08/22 v4.3 Infix arithmetic (KKT,FJ)
\calc@Acount=\count90
\calc@Bcount=\count91
\calc@Adimen=\dimen103
\calc@Bdimen=\dimen104
\calc@Askip=\skip43
\calc@Bskip=\skip44
LaTeX Info: Redefining \setlength on input line 76.
LaTeX Info: Redefining \addtolength on input line 77.
\calc@Ccount=\count92
\calc@Cskip=\skip45
)
Package: expl3 2011/12/29 v3109 L3 Experimental code bundle wrapper

(d:/kotexlive/2011/texmf-dist/tex/latex/graphics/color.sty
Package: color 2005/11/14 v1.0j Standard LaTeX Color (DPC)

(d:/kotexlive/2011/texmf-dist/tex/latex/latexconfig/color.cfg
File: color.cfg 2007/01/18 v1.5 color configuration of teTeX/TeXLive
)
Package color Info: Driver file: xetex.def on input line 130.

(d:/kotexlive/2011/texmf-dist/tex/xelatex/xetex-def/xetex.def
File: xetex.def 2009/11/22 v0.94 LaTeX color/graphics driver for XeTeX (RRM/JK)

))
(d:/kotexlive/2011/texmf-dist/tex/latex/graphics/graphics.sty
Package: graphics 2009/02/05 v1.0o Standard LaTeX Graphics (DPC,SPQR)

(d:/kotexlive/2011/texmf-dist/tex/latex/graphics/trig.sty
Package: trig 1999/03/16 v1.09 sin cos tan (DPC)
)
(d:/kotexlive/2011/texmf-dist/tex/latex/latexconfig/graphics.cfg
File: graphics.cfg 2010/04/23 v1.9 graphics configuration of TeX Live
)
Package graphics Info: Driver file: xetex.def on input line 91.
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3basics.sty
Package: l3basics 2011/12/23 v3090 L3 Experimental basic definitions
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3expan.sty
Package: l3expan 2011/12/22 v3086 L3 Experimental argument expansion
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3tl.sty
Package: l3tl 2011/12/25 v3091 L3 Experimental token lists
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3seq.sty
Package: l3seq 2011/12/22 v3085 L3 Experimental sequences and stacks
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3int.sty
Package: l3int 2011/12/22 v3086 L3 Experimental integers
\c_max_int=\count93
\l_tmpa_int=\count94
\l_tmpb_int=\count95
\l_tmpc_int=\count96
\g_tmpa_int=\count97
\g_tmpb_int=\count98
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3quark.sty
Package: l3quark 2011/12/22 v3086 L3 Experimental quarks
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3prg.sty
Package: l3prg 2011/12/22 v3086 L3 Experimental control structures
\g_prg_map_int=\count99
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3clist.sty
Package: l3clist 2011/12/22 v3086 L3 Experimental comma separated lists
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3token.sty
Package: l3token 2011/12/27 v3099 L3 Experimental token manipulation
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3prop.sty
Package: l3prop 2011/12/22 v3086 L3 Experimental property lists
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3msg.sty
Package: l3msg 2011/12/22 v3086 L3 Experimental messages
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3io.sty
Package: l3io 2011/12/27 v3096 L3 Experimental input-output operations
\l_iow_stream_int=\count100
\l_iow_line_length_int=\count101
\l_iow_target_length_int=\count102
\l_iow_current_line_int=\count103
\l_iow_current_word_int=\count104
\l_iow_current_indentation_int=\count105
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3file.sty
Package: l3file 2011/12/26 v3095 L3 Experimental file operations
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3skip.sty
Package: l3skip 2011/12/22 v3086 L3 Experimental dimensions and skips
\l_tmpa_dim=\dimen105
\l_tmpb_dim=\dimen106
\l_tmpc_dim=\dimen107
\g_tmpa_dim=\dimen108
\g_tmpb_dim=\dimen109
\l_tmpa_skip=\skip46
\l_tmpb_skip=\skip47
\l_tmpc_skip=\skip48
\g_tmpa_skip=\skip49
\g_tmpb_skip=\skip50
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3keys.sty
Package: l3keys 2011/12/22 v3086 L3 Experimental key-value interfaces
\g_keyval_level_int=\count106
\l_keys_choice_int=\count107
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3fp.sty
Package: l3fp 2011/12/22 v3086 L3 Experimental floating-point operations
\c_one_hundred_million=\count108
\c_five_hundred_million=\count109
\c_one_thousand_million=\count110
\c_fp_pi_by_four_decimal_int=\count111
\c_fp_pi_by_four_extended_int=\count112
\c_fp_pi_decimal_int=\count113
\c_fp_pi_extended_int=\count114
\c_fp_two_pi_decimal_int=\count115
\c_fp_two_pi_extended_int=\count116
\l_fp_count_int=\count117
\l_fp_div_offset_int=\count118
\l_fp_exp_integer_int=\count119
\l_fp_exp_decimal_int=\count120
\l_fp_exp_extended_int=\count121
\l_fp_exp_exponent_int=\count122
\l_fp_input_a_sign_int=\count123
\l_fp_input_a_integer_int=\count124
\l_fp_input_a_decimal_int=\count125
\l_fp_input_a_exponent_int=\count126
\l_fp_input_b_sign_int=\count127
\l_fp_input_b_integer_int=\count128
\l_fp_input_b_decimal_int=\count129
\l_fp_input_b_exponent_int=\count130
\l_fp_input_a_extended_int=\count131
\l_fp_input_b_extended_int=\count132
\l_fp_mul_a_i_int=\count133
\l_fp_mul_a_ii_int=\count134
\l_fp_mul_a_iii_int=\count135
\l_fp_mul_a_iv_int=\count136
\l_fp_mul_a_v_int=\count137
\l_fp_mul_a_vi_int=\count138
\l_fp_mul_b_i_int=\count139
\l_fp_mul_b_ii_int=\count140
\l_fp_mul_b_iii_int=\count141
\l_fp_mul_b_iv_int=\count142
\l_fp_mul_b_v_int=\count143
\l_fp_mul_b_vi_int=\count144
\l_fp_mul_output_int=\count145
\l_fp_output_sign_int=\count146
\l_fp_output_integer_int=\count147
\l_fp_output_decimal_int=\count148
\l_fp_output_exponent_int=\count149
\l_fp_output_extended_int=\count150
\l_fp_round_position_int=\count151
\l_fp_round_target_int=\count152
\l_fp_split_sign_int=\count153
\l_fp_tmp_int=\count154
\l_fp_trig_octant_int=\count155
\l_fp_trig_sign_int=\count156
\l_fp_trig_decimal_int=\count157
\l_fp_trig_extended_int=\count158
\l_fp_tmp_dim=\dimen110
\l_fp_tmp_skip=\skip51
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3box.sty
Package: l3box 2011/12/22 v3086 L3 Experimental boxes
\l_tmpb_box=\box26
\l_box_top_dim=\dimen111
\l_box_bottom_dim=\dimen112
\l_box_left_dim=\dimen113
\l_box_right_dim=\dimen114
\l_box_top_new_dim=\dimen115
\l_box_bottom_new_dim=\dimen116
\l_box_left_new_dim=\dimen117
\l_box_right_new_dim=\dimen118
\l_box_tmp_box=\box27
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3coffins.sty
Package: l3coffins 2011/12/22 v3086 L3 Experimental coffin code layer
\l_coffin_tmp_box=\box28
\l_coffin_tmp_dim=\dimen119
\l_coffin_offset_x_dim=\dimen120
\l_coffin_offset_y_dim=\dimen121
\l_coffin_x_dim=\dimen122
\l_coffin_y_dim=\dimen123
\l_coffin_x_prime_dim=\dimen124
\l_coffin_y_prime_dim=\dimen125
\l_coffin_Depth_dim=\dimen126
\l_coffin_Height_dim=\dimen127
\l_coffin_TotalHeight_dim=\dimen128
\l_coffin_Width_dim=\dimen129
\c_empty_coffin=\box29
\l_coffin_aligned_coffin=\box30
\l_coffin_aligned_internal_coffin=\box31
\l_coffin_bounding_shift_dim=\dimen130
\l_coffin_left_corner_dim=\dimen131
\l_coffin_right_corner_dim=\dimen132
\l_coffin_bottom_corner_dim=\dimen133
\l_coffin_top_corner_dim=\dimen134
\l_coffin_scaled_total_height_dim=\dimen135
\l_coffin_scaled_width_dim=\dimen136
\l_coffin_display_coffin=\box32
\l_coffin_display_coord_coffin=\box33
\l_coffin_display_pole_coffin=\box34
\l_coffin_display_offset_dim=\dimen137
\l_coffin_display_x_dim=\dimen138
\l_coffin_display_y_dim=\dimen139
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3color.sty
Package: l3color 2011/09/07 v2776 L3 Experimental colour support
)
(d:/kotexlive/2011/texmf-dist/tex/latex/l3kernel/l3luatex.sty
Package: l3luatex 2011/12/22 v3086 L3 Experimental LuaTeX-specific functions
\g_cctab_allocate_int=\count159
\g_cctab_stack_int=\count160
))
(d:/kotexlive/2011/texmf-dist/tex/latex/l3packages/xparse/xparse.sty
Package: xparse 2011/12/29 v3109 L3 Experimental document command parser
\l_xparse_m_args_int=\count161
\l_xparse_mandatory_args_int=\count162
\l_xparse_processor_int=\count163
\l_xparse_total_args_int=\count164
\l_xparse_v_nesting_int=\count165
)
\l_fontspec_script_int=\count166
\l_fontspec_language_int=\count167
\l_fontspec_strnum_int=\count168
\l_fontspec_tmpa_dim=\dimen140
\l_fontspec_tmpb_dim=\dimen141
\l_fontspec_tmpc_dim=\dimen142
Variant \tl_gset:cV already defined; not changing it on line 66

(d:/kotexlive/2011/texmf-dist/tex/latex/fontspec/fontspec-patches.sty
Package: fontspec-patches 2011/09/18 v2.2a Advanced font selection for XeLaTeX/
LuaLaTeX

(d:/kotexlive/2011/texmf-dist/tex/latex/base/fixltx2e.sty
Package: fixltx2e 2006/09/13 v1.1m fixes to LaTeX
LaTeX Info: Redefining \em on input line 420.
)
LaTeX Info: Redefining \em on input line 22.
LaTeX Info: Redefining \emph on input line 29.
LaTeX Info: Redefining \- on input line 32.
.................................................
. xparse info: "define-command"
.
. Defining document command \liningnums with arg. spec. 'm' on line 111.
.................................................
)
(d:/kotexlive/2011/texmf-dist/tex/latex/fontspec/fontspec-xetex.sty
Package: fontspec-xetex 2011/09/18 v2.2a Advanced font selection for XeLaTeX/Lu
aLaTeX

(d:/kotexlive/2011/texmf-dist/tex/latex/base/fontenc.sty
Package: fontenc 2005/09/27 v1.99g Standard LaTeX package

(d:/kotexlive/2011/texmf-dist/tex/latex/euenc/eu1enc.def
File: eu1enc.def 2010/05/27 v0.1h Experimental Unicode font encodings
)
LaTeX Font Info:    Try loading font information for EU1+lmr on input line 100.


(d:/kotexlive/2011/texmf-dist/tex/latex/euenc/eu1lmr.fd
File: eu1lmr.fd 2009/10/30 v1.6 Font defs for Latin Modern
))
(d:/kotexlive/2011/texmf-dist/tex/xelatex/xunicode/xunicode.sty
File: xunicode.sty 2011/09/09 v0.981 provides access to latin accents and many
other characters in Unicode lower plane

(d:/kotexlive/2011/texmf-dist/tex/latex/tipa/t3enc.def
File: t3enc.def 2001/12/31 T3 encoding
LaTeX Font Info:    Try loading font information for EU1+lmss on input line 357
.

(d:/kotexlive/2011/texmf-dist/tex/latex/euenc/eu1lmss.fd
File: eu1lmss.fd 2009/10/30 v1.6 Font defs for Latin Modern
))
\tipaTiiicode=\count169
\tipasavetokens=\toks14
\tipachecktokens=\toks15

(d:/kotexlive/2011/texmf-dist/tex/latex/graphics/graphicx.sty
Package: graphicx 1999/02/16 v1.0f Enhanced LaTeX Graphics (DPC,SPQR)

(d:/kotexlive/2011/texmf-dist/tex/latex/graphics/keyval.sty
Package: keyval 1999/03/16 v1.13 key=value parser (DPC)
\KV@toks@=\toks16
)
\Gin@req@height=\dimen143
\Gin@req@width=\dimen144
))
.................................................
. xparse info: "define-command"
.
. Defining document command \fontspec with arg. spec. 'O{}m' on line 39.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setmainfont with arg. spec. 'O{}m' on line 43.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setsansfont with arg. spec. 'O{}m' on line 47.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setmonofont with arg. spec. 'O{}m' on line 51.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setmathrm with arg. spec. 'O{}m' on line 59.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setboldmathrm with arg. spec. 'O{}m' on line 62.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setmathsf with arg. spec. 'O{}m' on line 65.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \setmathtt with arg. spec. 'O{}m' on line 68.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newfontfamily with arg. spec. 'mO{}m' on line 84.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newfontface with arg. spec. 'mO{}m' on line 87.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \defaultfontfeatures with arg. spec. 'm' on line
. 91.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \addfontfeatures with arg. spec. 'm' on line 107.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newfontfeature with arg. spec. 'mm' on line 118.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newAATfeature with arg. spec. 'mmmm' on line 125.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newICUfeature with arg. spec. 'mmm' on line 132.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \aliasfontfeature with arg. spec. 'mm' on line
. 159.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \aliasfontfeatureoption with arg. spec. 'mmm' on
. line 164.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newfontscript with arg. spec. 'mm' on line 169.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \newfontlanguage with arg. spec. 'mm' on line 192.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \DeclareFontsExtensions with arg. spec. 'm' on
. line 211.
.................................................
Variant \prop_gput:cnV already defined; not changing it on line 485
Variant \prop_gput:cnx already defined; not changing it on line 486
Variant \keys_set:nx already defined; not changing it on line 963
\c@fontspec_tmp_int=\count170
LaTeX Info: Redefining \itshape on input line 1881.
LaTeX Info: Redefining \slshape on input line 1885.
LaTeX Info: Redefining \scshape on input line 1889.
LaTeX Info: Redefining \upshape on input line 1893.

(d:/kotexlive/2011/texmf-dist/tex/latex/fontspec/fontspec.cfg)))
(d:/kotexlive/2011/texmf-dist/tex/latex/realscripts/realscripts.sty
Package: realscripts 2010/09/30 v0.3 Access OpenType subscripts and superscript
s
.................................................
. xparse info: "define-command"
.
. Defining document command \fakesubscript with arg. spec. 'm' on line 19.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \fakesuperscript with arg. spec. 'm' on line 22.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document command \realsubscript with arg. spec. 'm' on line 45.
.................................................
.................................................
. xparse info: "define-command"
.
. Defining document