From 11dc895187a4a80acd22a7c56101b86e5e33226a Mon Sep 17 00:00:00 2001
From: KmolYuan <pyslvs@gmail.com>
Date: Wed, 18 Nov 2020 11:46:33 +0800
Subject: [PATCH] Change framework into Rust MdBook.

---
 .gitignore                                    |   1 +
 book.toml                                     |  29 ++++++++++
 docs/img/logo.png                             | Bin 12619 -> 0 bytes
 mkdocs.yml                                    |  53 ------------------
 requirements.txt                              |   5 --
 src/SUMMARY.md                                |  22 ++++++++
 src/data-format/README.md                     |   1 +
 {docs => src/data-format}/yaml.md             |   0
 {docs => src}/index.md                        |   0
 docs/IT-intro.md => src/it-intro.md           |   0
 src/languages/README.md                       |   1 +
 {docs => src/languages}/c-cpp.md              |   0
 {docs => src/languages}/img/cmake.svg         |   0
 .../img/gnu_compiler_collection.svg           |   0
 {docs => src/languages}/img/icon.png          | Bin
 {docs => src/languages}/img/llvm.svg          |   0
 {docs => src/languages}/img/visual_cpp.png    | Bin
 {docs => src/languages}/latex-math.md         |   0
 {docs => src/languages}/matlab-en.md          |   0
 {docs => src/languages}/python.md             |   0
 src/multilang/README.md                       |   1 +
 {docs => src/multilang}/expr.md               |   0
 {docs => src/multilang}/re.md                 |   0
 {docs => src/multilang}/syntax.md             |   0
 src/vc/README.md                              |   1 +
 {docs => src/vc}/git.md                       |   0
 src/webpages/README.md                        |   1 +
 {docs => src/webpages}/html5.md               |   0
 src/yaml.md                                   |   1 +
 29 files changed, 58 insertions(+), 58 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 book.toml
 delete mode 100644 docs/img/logo.png
 delete mode 100644 mkdocs.yml
 delete mode 100644 requirements.txt
 create mode 100644 src/SUMMARY.md
 create mode 100644 src/data-format/README.md
 rename {docs => src/data-format}/yaml.md (100%)
 rename {docs => src}/index.md (100%)
 rename docs/IT-intro.md => src/it-intro.md (100%)
 create mode 100644 src/languages/README.md
 rename {docs => src/languages}/c-cpp.md (100%)
 rename {docs => src/languages}/img/cmake.svg (100%)
 rename {docs => src/languages}/img/gnu_compiler_collection.svg (100%)
 rename {docs => src/languages}/img/icon.png (100%)
 rename {docs => src/languages}/img/llvm.svg (100%)
 rename {docs => src/languages}/img/visual_cpp.png (100%)
 rename {docs => src/languages}/latex-math.md (100%)
 rename {docs => src/languages}/matlab-en.md (100%)
 rename {docs => src/languages}/python.md (100%)
 create mode 100644 src/multilang/README.md
 rename {docs => src/multilang}/expr.md (100%)
 rename {docs => src/multilang}/re.md (100%)
 rename {docs => src/multilang}/syntax.md (100%)
 create mode 100644 src/vc/README.md
 rename {docs => src/vc}/git.md (100%)
 create mode 100644 src/webpages/README.md
 rename {docs => src/webpages}/html5.md (100%)
 create mode 100644 src/yaml.md

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3006b27
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+book/
diff --git a/book.toml b/book.toml
new file mode 100644
index 0000000..43e3748
--- /dev/null
+++ b/book.toml
@@ -0,0 +1,29 @@
+[book]
+title = "Program Learning"
+authors = ["Yuan Chang"]
+description = "程式入門"
+
+[rust]
+edition = "2018"
+
+[build]
+build-dir = "book"
+create-missing = false
+
+[preprocessor.index]
+
+[preprocessor.links]
+
+[output.html]
+
+[output.html.search]
+enable = true
+limit-results = 30
+teaser-word-count = 30
+use-boolean-and = true
+boost-title = 2
+boost-hierarchy = 1
+boost-paragraph = 1
+expand = true
+heading-split-level = 3
+copy-js = true
diff --git a/docs/img/logo.png b/docs/img/logo.png
deleted file mode 100644
index cd06932e50a8309bdf04a94d0160fc7650bc6119..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 12619
zcmV-RF|^K!P)<h;3K|Lk000e1NJLTq008g+009gL1^@s6`f@u&00009a7bBm001r{
z001r{0eGc9b^rhhPiaF#P*7-ZbZ>KLZ*U+<Lqi~Na&Km7Y-Iodc-oy)XH-+^7Crag
z^g>IBfRsybQWXdwQbLP>6p<z>Aqfylh#{fb6;Z(vMMVS~$e@S=j*ftg6;Uh<iVD~V
z<RPMtgQJLw%KPDaqifc@_vX$1wbwr9tn;0-&j-K=43<bUQ8j=JsX`tR;Dg7+#^K~H
zK!FM*Z~zbpvt%K2{UZSY_<lS*D<Z%Lz5oGu(+dayz)hRLFdT>f59&ghTmgWD0l;*T
zI7<kC6aYYajzXpYKt=(8otP$50H6c_V9R4-;{Z@C0AMG7=F<Rxo%or10RUT+Ar%3j
zkpLhQWr#!oXgdI`&sK^>09Y^p6lP1rIRMx#05C~cW=H_Aw*bJ-5DT&Z2n+x)QHX^p
z00esgV8|mQcmRZ%02D^@S3L16t`O%c004NIvOKvYIYoh62rY33S640`D9%Y2D-<?i
z0%4j!F2Z@488U%158(66005wo6%pWr^Zj_v4zAA5HjcIqUoGmt2LB>rV&neh&#Q1i
z007~1e$oCcFS8neI|hJl{-P!B1ZZ9hpmq0)X0i`JwE&>$+E?>%_<lS*MWK+n+1cgf
z<k(8YLR(?VSAG6x!e78w{cQPuJpA|d;J)G{fihizM+Erb!p!tcr5w+a34~(Y=8s4G
zw+sLL9n&JjNn*KJDiq^U5^;`1nvC-@r6P$!k}1U{(*I=Q-z@tBKHoI}uxdU5dyy@u
zU1J0GOD7Ombim^G008p4Z^6_k2m^p<gW=D2|L;HjN1!DDfM!XOaR2~bL?kX$%CkSm
z2mk;?pn)o|K^yeJ7%adB9Ki+L!3+FgHiSYX#KJ-lLJDMn9CBbOtb#%)hRv`YDqt_v
zKpix|QD}yfa1JiQRk#j4a1Z)n2%f<xynzV>LC6RbVIkUx0b+_+BaR3cnT7Zv!AJxW
zizFb)h!jyGOOZ85F;a?DAXP{m@;!0_Ifq<Ex{*7`05XF7hP+2Hl!3BQJ=6@fL%FCo
z8iYoo3(#bAF`ADSpqtQgv>H8(HlgRxt7s3}k3K`kFu>>-2Q$QMFfPW!La{h336o>X
zu_CMttHv6zR;&ZNiS=X8v3CR#fknUxHUxJ<AYmRsNLWl*PS{AOARHt#5!wki2?K;t
z!Y3k=s7tgax)J%r7-BLphge7~Bi0g+6E6^Zh(p9TBoc{3GAFr^0!gu?RMHaCM$&Fl
zBk3%un>0uoBa_M6WNWeqIg~6QE69c9o#eyhGvpiOA@W-aonk<7r1(?fC{oI5N*U!4
z<uv66WtcKSRim0x-Ke2d5jBrmLam{;Qm;{ms1r1GnmNsb7D-E`t)i9F8fX`2_i3-_
zbh;7Ul^#x)&{xvS=|||7=mYe33=M`AgU5(xC>fg=2N-7=cNnjjOr{yriy6mMFgG#l
znCF=fnQv8CDz++o6_Lscl}eQ+l^ZHARH>?_s@|##Rr6KLRFA1%Q+=*RRWnoLsR`7U
zt5vF<Q0r40Q)j6=sE4X&sBct1q<&fbi3VB2Ov6t@q*0);U*o*SAPZv|vv@2aYYnT0
zb%8a+Cb7-ge0D0knEf5Qi#@8Tp*ce{N;6lpQuCB%KL_KOarm5cP6_8Ir<e17iry6O
zDdH&`rZh~sF=bq9s+O0QSgS~@QL9Jmy*94xr=6y~MY~!1fet~(N+(<=M`w@D1)b+p
z*;C!83a1uLJv#NSE~;y#8=<>IcfW3@?wFpwUVxrVZ>QdQz32KIeJ}k~{cZZE^+ya?
z2D1z#2HOnI7(B%_ac?{wFUQ;QQA1tBKtrWrm0_3Rgps+?Jfqb{jYbcQX~taRB;#$y
zZN{S}1|}gUOHJxc?wV3fxuz+mJ4`!F$IZ;mqRrNsHJd##*D~ju=bP7?-?v~|cv>vB
zsJ6IeNwVZxrdjT`yl#bBIa#GxRa#xMMy;K#CDyyGyQdMSxlWT#tDe?p!?5wT$+oGt
z8L;Kp2HUQ-ZMJ=3XJQv;x5ci*?vuTfeY$;({XGW_huIFR9a<fJbF^|4I#xQ~n$Dc=
zKYhjYmgz5NSkDm8*fZm{6U!;YX`NG>(?@3)XSs8O^N5RyOM=TTmp(3=8^+zpz2r)C
z^>JO{deZfso3oq3?Wo(Y?l$ge?uXo;%ru`Vo>?<<(8I_>;8Eq#KMS9gFl*neeosSB
zfoHYnBQIkwkyowPu(zdms`p{<7e4kra-ZWq<2*OsGTvEV%s0Td$hXT+!*8Bnh2KMe
zBmZRodjHV?r+_5^X9J0WL4jKW`}lf%A-|44I@@LTvf1rHjG(ze6+w@Jt%Bvjts!X0
z?2xS?_ve_-k<Mujg;0Lz*3buG=3$G&ehepthlN*$KaOySSQ^nWmo<0M+(UEUMEXRQ
zMBbZcF;6+KElM>iKB_KiJlZ$9G`c^=E@oNG)mWWaNo-3TIW8)$Hg0Ub-~8?KhvJ>$
z3*&nim@mj(aCxE5!t{lw7O5^0EIO7zOo&c6l<+|iDySBWCGrz@C5{St!X3hAA}`T4
z(TLbXTq+(;@<=L8dXnssyft|w#WSTW<++3>sgS%(4NTpeI-VAqb|7ssJvzNHgOZVu
zaYCvgO_R1~>SyL=cFU|~g|hy|Zi}}s9+d~lYqOB71z9Z$wnC=pR9Yz4DhIM>Wmjgu
z&56o6maCpC&F##y%G;1PobR9i?GnNg;gYtchD%p19a!eQtZF&3JaKv33gZ<8D~47E
ztUS1iwkmDaPpj=$m#%)jCVEY4fnLGNg2A-`YwHVD3gv};>)hAvT~AmqS>Lr``i7kw
zJ{5_It`yrBmlc25DBO7E8;5VoznR>Ww5hAaxn$2~(q`%A-YuS64wkBy=9dm`4cXeX
z4c}I@?e+FW+b@^RDBHV(wnMq2zdX3SWv9u`%{xC-q*U}&`cyXV(%rRT*Z6MH?i+i&
z_B8C(+grT%{XWUQ+f@NoP1R=AW&26{v-dx)iK^-Nmiuj8txj!m?Z*Ss1N{dh4z}01
z)YTo*JycSU)+_5r4#yw9{+;i4Ee$peRgIj+;v;ZGdF1K$3E%e~4LaI(jC-u%2h$&R
z9cLXcYC@Xwnns&bn)_Q~Te?roKGD|d-g^8;+aC{{G(1^(O7m37Y1-+6)01cN&y1aw
zoqc{T`P^XJqPBbIW6s}d4{z_f5Om?vMgNQEJG?v2T=KYd^0M3I6IZxbny)%vZR&LD
zJpPl@Psh8QyPB@KTx+@RdcC!KX7}kEo;S|j^u2lU7XQ}Oo;f|;z4Ll+_r>@1-xl3|
zawq-H%e&ckC+@AhPrP6BK<z=<L*0kfKU@CX*zeqbYQT4(^U>T#_XdT7&;F71j}Joy
zkC~6lh7E@6o;W@^IpRNZ{ptLtL(gQ-CY~4mqW;US7Zxvm_|@yz&e53Bp_lTPlfP|z
zrTyx_>lv@x#=^!PzR7qqF<$gm`|ZJZ+;<)Cqu&ot<a{81DF0~rvGr5Xr~8u`lav1h
z1DNytV>2z=0000WV@Og>004R=004l4008;_004mL004C`008P>0026e000+nl3&F}
z001U-Nkl<Zc-ripceoVQ`NuzZ>1t?pK|u|oQE3511%nmripGLq`Kef9!`LNiBpQ1+
z_GqvMEMTLkr~wNW1RDw}5fDKTkgk;b`{R9Y*t_iBJMGNQ?7pApxewgkJ9B2vobR0W
zmWs;CN{m#~66gYS0CoVj1U3em0`>K8Rsuf*bAg$_WMC5TAu!FVFuhcmfKy2q;AmhU
zpdC;r#JN5L-T;OIW36gUz=k_c1x^P#J39X-z{9|Oz^_)_CSW5PP6Dm~ej8JHGl3g{
zyR7O>z(#Po0XG1<7peS-z-7QldlbneV^xqyS^|T0PP%&$ucHGn0(cJC&K`>i*r=T=
zfvG^h1YOe+z?V9#ZeWkdhS0{k90gnlv`P4N&eWI8BlgHlzy@^GdG3BGyY6>@OMr3q
z2yF;mjx-1E1tz3Wyy)C~Eby4l*$oqL*)Rb38aSf_?xnBJ+5ZAm*rT-}bSZNna6Pbd
ziQeBgz~#UYd(<Z2Qeu0Z=N=kUd8>d0z+(M<1E3jDFQ)Qe*ZJ{B_UKK(X=Z)k8sGxQ
z<*Wc+Mhq?{0pA1j^>YxXhUP#EU?*UI;9#J!<Li0=u^^jgO~C}5Hckhw1~zk8#sXyP
z=`moA&tsbb#{vU^EgW9s&%hwy7HbkF;54w8&U1HhT+SWZyU!1Kp7juO$$^fq_cNUz
zzi3Uw1e`=#t8kBTT+Rp;+@y%l+XlE6_@m?Ne@W-ZUs#hd0VjdFz*X8PT`m$$(K3cP
zzMuV&1-Fil%eh^9{iW7~f@Ax@;W!@I10Cp4yvu=$fVMG+7vNQ(6L2Q*lf!b(NA|)`
zvu0#HaNKm!;qu;&%Xtu42%A-;`)rEXJr8hP&UoNb;7w~<CSaFrjI8>e>bRV@v_Zd@
zko(>l_&acr<8q$X`~J?Fnh7{+E<(%&f8(%>nL5vXGNE;FC~y;QeS=r(=;p7$YHM~T
z;IJH~z3%TEmvfEwaw}3$Cl?|s*7Y5hF->2XPgoN)0SDoChyg-x$K?#s-X?9^Dy?*W
z{C|$i8KvdCZ%xt!?1lAIP!~EbXM*-HucW-b{-C3WJsp>GuL{}BGEKk*IYUL|(zI}a
zHpIJ2tnN-$A-nVqUZ_L&o2{vufV0_G8{ck@%efu+8*cYki#>XY!z^<Wvb{FU1YF(%
z-dg9m$2%_PCB#~5LYdU-_Ikg^Ixc6Jj+j0(0hbqbw1HiUTl2@s+Q6PI)ArR%Uyz+0
zmvgH=&m|_{(&t2-gKp!njOE&(ZnD`4AZD3^fDIj%F<Z;{hY7ee>8cNSU&rO#ujPDi
zx~)cY#GUZZj>~yhU(m0afJ=i-R8ajLm-D*zx^J6SYor6R0Ckw-a-PuX%QO>kdbwEN
z`b`{`@n2-s)hvemaRjm=@6y6;C1Tw+2#FJB0!|4>YH#Q|`s3BwKr9t!xR>nJKqH4`
ze2W<83^oBLoA&y)J;ZT2PiljhV)~1OmO9*ZJ<S=T<-B78P8N+-Q0F@?XFRe%GTJof
zgl_sAUHe%-q(Yu;0xmvh>%-W@VHtB(xc8aHVxgaoq*^&FV=>}ocD)I>I2@pF>n@JV
zxfxk(`Pp<8EA<hx%qwvl`ss6RM?+1(@z6#Eb+qGhh9Qe9lT1rR<+sR!WM9YSyreIS
zk4?aCXu#U&k1pTHpX!i&xM?R*?5o4-u8zyOQ`^}>6L55#qM~v=C%Ou_&9ste`m2y#
zu6fMUQQjRU;Ba);igfKPevg(j+w_qN8Y2cempCrxBg9B&qzTv`EfD|QIKs7Dg=`NQ
z>0@Voen&bkXNU@UstLGuF4v#+9hUL64#}T34U`0j=&-uI!!p(&87uw@{9*!Lmt*v8
zx`V?qR%sbGU?EFOk@Hl@E<^u*r)4~B0v0+Dk9W$`It=>8+IdN{xeDwQ$K@o#`>dD(
zZjK~>cAflsyjJumYujbT9>_Y1YqQLv`hOQoz-MXYT7(97Yyk8`vM4k{@(6#bJx4ha
zM+BB-I*Poh)CJs2h3ne<@m8(S#bqkqi;=k28|V3MqSj408LHG(5tm#Hw73KuSCqox
zT7jRI@zC*Q;6M+5ccqR{%870Cp8Gg1C$=c0uJZ%0hZsmqb}ZgWNQ8&O%UrxeJc<_`
z3H8hRy`KKwxrFQITO@?={z&XBR~(EOf!yYJn&`9#jw4e40>mZEBK5<51oKngQ0K=P
z?Y(;;4)3oZ`Fcw^##bDfIOc0_e0N#|99OQK`?T^cSB~%+uup*FF3NfVb_f2G^ZgVR
z_8Uk<i=`!2Z|ft*8Lp#cex%cuSCT5=EmcsbIj)G&T8?F_TT7FyUNlI3_RKoZj}%TD
zIu{tBFN-mhR_NRvb$)z=<8q$T4(`jO2)F_<D!&?W`E$irdgD);UaPHPtkHSv2LaFV
zHR5Ak#dLic*TzcVRb+qtjS^aWI8@tmN5|#-O{ag$!#030{88T|e|IR}<vR4(-o*Pq
zIwR(w75aOaw{T^i7qS=XAq!@A0H5fH=qjB;rI{CiPCBHX@35SKIz2h57(MU~$for{
zjw|yq#9C{HY4(3K2Yx_8{8ahGHrB>gC&2keBH@VungVlb7(#pHTb=8T(Vw)2Bic}V
z$}=37^Omkf_#Q<C>4E=*WRrI(-nVr@<^&V(I^um_1(qGCd=bG@iDdh_c8oy0Ap5On
z1J5CW@1H_kLtCe;zJEgUI(5ZuB+@_VbG^)U5ByJLd&m_tbs^ya(`rHSZkzSl-a7xR
zY6NfkJm*U7#TV-DH)>DdlGl)hu(yzv*)-8drwQ9REaQ3LC|%o#Ou%)t;(Iu}@EdjU
zV7Y14lXwAM)J2yn9`QM+I*RIMe{*mfswS6-h}F`Y`XXABf@e{I?1EedG;~-mJ-kdk
zya+ghc=Wik(0N8H<V(}3FY#s%dnac7K2(KS8y5n%Wc_}XzCeq`be%W9uJh*k34bnI
zA-f_cIy(P1$YR=}umXM?*xkVePS8g4l4&%sctIS@bLW=l>QBDo#_GaM_MEPL&P$-!
zEJn7cMr-dpHNnrQhYGp7gL8k0B!8<6D&Qf=R#B9sCgNWT#9PG}@>^l`(jIy}#0cYE
z)?Mjrqn|ZNa9zBmz4KcnH-6cvI+ENf;`6>i4L;2^3HTzNmqy85+UqVbeMTnUD&9k!
z5x(~L_jR<FzBOfa^EqPL`KG?Oeo4@^HDqn<@`?!0dn*M@JqrnVXJm6eDqcp6F(#Nc
zort%JRXUt|1X<CqiMmKMl)ZEay?F}jYIe@NIVoX*x6@H(l%v;u$rFsBkbq|pjTg}u
zx-c@-bm@u4`jXo=<at(V5A~7u2({%eu8+9b^;ALcn8LdIMd!>Tb=WyM0oQbZzEGoB
z0A8ZgoHexx_)5e(BWz*UAtsiFckzBew0n%#>htuwJ+mufCfNh`US+OGl1t<{IzQex
z<ar(>Cx>#bfSX1zKOKsM_x!;$>6!Jl=Z#XleSs$;IL~hptGk1N-EbSP+Z9ug-Hw-$
zg}h?e8Z^<lY}jN4+W^xF3D~b8KrRD-+f9$Y#rq-RtPvIcfX5wN>qa`vJ`735oyK|d
zkH{9)3&6M{%$rYAodqS^{j-{YH$g0Mg3<@Ec{NH?y!qzMdm)x!`v7fII&XeM#XJUa
zS&f5Uh&gFc+UlsHnt*RYtaE~J1`;3FC=c=GqmzpH0AQDtK9i4B%p-9hFrqiXqgOtq
z9p?W8To<u^31Zv%PuxerH}NK0yt%Z_nm6x`EYPKmX*y?qQRmGrLKI(%<N*spQ{d++
z0Ut`RIKgv(%}kFb-dY;k{@TX&#9OqFB=Q)NkYGu~=bap|E%XN-tnvpwAz<Ohn;uQP
zwXhH|$?dB>^WMlp=VvK;Zi{rdyTZY_gBp9BTs4GlfNUK#@_B*}Qasl&@g{?INNUgn
zk-g_S3B1M`h+#|i5PDPKXk?$fHDWmPg$}uc%xhmFSb&U;Dk>{0cSY=I{n7(5E;mfP
zQP5I_e2C7Qn<wPD+ECrT{2atUsnCA-=Q_N7$441$3Fc0Fa7N#Jewl9KHStEwOe7M^
zA=<0;1|CI1@)V2fbHsZ)a3?hzv+Rgie)aNE&Q}C;=j@gNejnh#A*M?cuR|6ip=C}6
zwnltyZ$eV&#KjV-2RP`5SQvU`1pYEU1bL<%GXyi=Gbel#Z=8%nGA?#NBBEY|*f_6n
zSmtonx+>N~GJ*Kz7RQ=uSy5S8ISqf&0)Ih_vKO01O}s^BQyr=vikNmr8PBUf;yeHn
zHs{fR=h*}arr-s?G0A?&0L^?}(Dx=@6K_J81N;j(5@?02<UWY^pawPZdDj2K1grNG
zYG=C7b8k==vBL7hQfoIR-UPA&aUZNo9=0p8Al8du>pa;JA;W|l@{?ZFZ*-B0s@yt;
ziMP}kkEAc@jBEv+kK}Ul+5u$;xc@c8b@&mb-$V<QK{7K`Slcl1ri`zVAd36zQ2Th`
z-@vRIj@dfv|5HMg?R4clW6##aTW0)(B*{A#S-jmJxQBHODY7F$J{GX7DJEbOui=iW
z6scz;+f$v87-AEU1+ivXJ$R7Jn68tCQ&Cx2xd`};k7GVVqE?nW4OP5R27o)6;M)~O
zw6xFZJsW8+?KSRm5I5U*kg!EwS!_LUaPfX%;w@<=saUHzx8*<=yrlrWmzaFyO~Ap$
zyOW8x<hd7#pH;<=hzH&P6?paz&SD*oAAtA`$3k6uM!u+L;w>xMAzo6~Q9W|T?fSE&
ze!o)Z$qVDYKohV(@xC9icuzI)CSJTCsYJI$lH1SA`kNUPIRU*5q5X-sL&V~J*s3<M
z<hlbMjbuq2M9rBq4kws%zV*N+UL!&d&+}PR#JX!Bk~{1hB!NLa9Zt7J3_y-C0h@S@
z;?a`Yw{zO*PcE~G(O=#KTsq>dKr$z6f`p^l0I}z-MC@@FBU$g~VCh|Jqi2X?pN#WD
zO~C0DZ#yJ*)Gmk>(H4k*Y=c^kTdE?Si5TU)j~Eb4wa5NH!pvbu$9bV<iIpDl)<=TA
z9f3HnZxiu-e~v`Ccos=FQm$;EBb9mqj$MMd4+iyK@@<J_J#g~H+a5R_Nhr33!+YOR
zfBvMs@etr4iW^j}80;HRya2-p=X&TH+eS*Rc=tvEqfG?PbS&On+5lG|tE`Wcf3c=i
z=@sJG5piFv2{?J;?SdrNdOc)gimH7akC+WUhQHWpX{C2s=D#N3WQn&C@DII~o(Zg{
zzKDP8z!Gi?-H?EdL3oYoR$3<DG7|5>I`2F)1@$!u@t5sbg6$#9i}QtI4UtT|#TD;u
zND9jqDXP1UD&q4?tW6vl;@FWU;PMi0Q{X=-7r|`=4>yxEcF><7d`gk_(K9CAqKLOG
zvY+0)1nRRdk^p=CG9ErZSFDRJHv#W}_-qzayq%G)p%x`nuU(Oq>Wxx-4~K;~c2u!0
zx||F->L6iGW+B-nD)qD01kW0OdI0ghPicnc-4^&5F+7={vTNTINtYXh**XHT9@sH!
zkOWz6^kMA<?5P6oi5M;T;Y=hQrdQe^rgEhmSGy$=v7~;=u6zFw$39!k3lAdTRVi&;
zmE_Mtu?E?I-wE&070$$8wz>`UEnSb&XB%K_%C7mqG!CDG4xt;cHePO;dy@(zmeC^p
zeFbnFlFBkl@q#!BY)JXA3zBr~#1vd>LnOOl5LO@-bEy(=Tf`MD?NkZ)LEu9D>}}v%
z3VZql5$`<&ORkl6PSBqCp@d)O-oSbRk9`qXmNo%rLfmlDXoN)1zYz%;3X<Y+n~21_
zKQV?FO&|~I5OYR?uQAO0cSNx--fW@Q4x^}HT5wJP@zyQ&0!Ko4G2z!2#`<cM3Ap&I
z)}KOkat?5Jfb%|pEMAp6?SV5AdTm`;8#>l6Z&P!2!^94ulgc-UF~LG4!pP19OFFhH
z0`cyE1Z+2ie;|um%M*58VXUu)CE*52LBJz{TamODx%>fHpgP#c`8EwHUa(;8xl{l*
zBhfyRMDLL8uJ{!jASPCl_zUni4}W(xk~Xr?5V{p&omB^zi$tL~H{dnxh8S#w;b&w~
ztto~5Q|IbvV^g4UfxoHLk;zI5Z~0Z~i@YJwq=s`v!NwH9XSM)aBRdX3_!=?HiJG#C
ziFJcV@m2}A6>w55e^(FL)PFC;b=@A~*pCo@+c#CjjSwgE^H>`x@iiTByn*aPHbE@P
zF4TXsS)&cYi)bqJMZPg&r`<{$>28SCTAc`<+0{rc-Xstv+Q~DC8QP?@2mX>^u3vLm
z*Wf<82M)^)z!w3J9Zvpi09D+LEU?wIE%g}U9h7}<8xcO~)>eqI!<oSELY`{_B(!a@
zc?HQN7=*p_C0q0!IIXMD*CupsdU3$xzN<yNXwOyKo^n5Zxn&cDo8NSOf$RueK=oC7
zznqYO_S1~u3s?&fKkh`3MggxOxcQpPpks|xKtZ@9!t1!+asA(>z3_y9$Df~oHnd-e
zw*MUYZR$<H9+`n8lnT1|;BrnCWS+Q;XtyNB$M6iMu+}xwFWVvJxM`jLj!cpm(kS3x
zLL9r=;dLD!@VFlf+*40raDnxSX2`y3zJ@pxZ~LvA>Rhge{_KkEn>X=z-IYj0k)HzG
zbMGRypSmH+Urqk)N)xaTTKQ;XxwLe2O$`X{l2&MY=Oi7Hcgpi!51mW)$@ASxye$$P
z3XDNkv)@2g-Y4sP_XFU5YR?h$Yrx*@s3NwXJwvpg5y<X<2{@!!g2s~C%h5Hp*Ew)d
z0p}C(@~j>smny&FMR~rf<MFu`8p$-);c<W9CB$T~rh5AjxYy@BccOUim0_%}UP_u6
z(z*(LdBEfPJG!1d9Gr7i&cFG-3$vKw_1N9Dr#`QSzd0ws)TUFB+D@3>f20XG8g|3K
zLBQXU{Y+QaQ|jDaV8~uIH+<CR`MMP09@-N;tK)~rcAp72BJRR_#E1UCr4Fy9T#|o1
zQN#T49-rqbMrMaF!{_Id_(0O`PWULY*itB}<fe!x%>53pp$XCF>P<3*j8#6xpL<;~
zwvrAnrQtJ_hBs1wWX1LcB;N9mKyw`~9g6#a<6BT3!RoT>`!5CN&>!PH4eFN2g5)nT
zU3be6Q=RDqH(W6Rd!W89P84H%qIt;US0Q_<xh&Ry^BJvFh5yO73cU=smO>jL#u#7b
z`R)s9-+HQ|DdIR0SA4ZF!{=v`+VIOMu)E74bQsn{R%CNU+*<$LGtVeuSN(U}Jafs0
zF^mXW7Z9*tF*c6zIUN+@*wH57(j{yo+zfFeEX0E~e0Qw=#7)xzpD*@#o<=cU?{DxI
z)FGQCh@nd&v6xulX;6muT&Ugn9lFQWf$S4vR5A>)II|wu@WgV&*L1G-bbGL_)zZ)U
zH;Z&0*`0W^11_pzI*>%dgpM7V<i=tG4o{SC=lhYU6|-}O=mYd~5O=|wsGdM<6J(!z
zKuq`iV}Z{%^?9DvF<o!a#m&kj&wow8(Xcq8^Aw8jwFvktFb%PDex!h)E&%=u+!4b)
ze^ub~?E;K8T(bv-<BHYBSRDzOfJ>N#5u9Tjwa51w?BP6jB8xTqIlSLDDeRH6Q$$1Y
zC<(KDG&<>x&la(gA>b&@JYDy|g(7}5!C#!RMZ^=KGEC-$XH3AQ&#aJhxrK<!UQ~SU
z@Lu1ga5|A=e2(b61|A4QTY?AS`=W-af(f{Un6Gospe!ixd4Fv{o9FqiwSIS6p6}*F
zI4{rUduld@IN#^_ro`}U!i3Hlm4?P=0*;1HLmXR&{0{wlBa1@$=9RnYcir-QS4s5t
z#jhb2Uxi*a`{6&#@5C6M%V8mo9cBV9AKr6t&L#S9K8OC5`tRZb&(zCvt<40qD*n@n
zD$tr%V+RMgzYiQglZ^=;fn_!c3LRS$whA2$Z#y{Wnw)>Ve&>}>fT3CES)nhD*+^`x
z_wkn3_c6pA)Gr@7ekNg7pGT#o;hBJ=VS@IGX>uzZt3P2FMD<J%Uin<->Ml7T#IdiW
z<ssS-IvSRduyCU>a5pe8;IXa~pEn3G|6NY<laiZ&9q?qC+-EDqJ10!4P}c(9o8Y$L
zuamqy#wOqxc%j7aZzJH(IzR3a;yg2S{+-nM@8~o=6q^G_$6~~C$FJf1O7chKsB%`w
zm&10t{`*sb;e3^0NhQIvF4jeonRP-|bB{nW3x?&+7@kF#$Sgxmz~#&J0UA#;B<o<d
zh$~sU$2$NqdZ@_yt||&g4`eYY`@06Lb?eIjmm&MNg)%_Y(RR=X*;?8RF%)To_xM(R
zc*yZH=z`=o4#Im>_XINmml+=+CU}0#_nK34NY<KM1bfsnoXr5&C8&NLCmP#vSHtH~
zX=`vc2acWrRs{vQJccrk2yyIlCSYSU`2)U{J5S=xFeD6{5j<tfRNODFnSfKmiB<*c
za83+ml-2Or=D_ZF9~e$JWBO9!3aW<yazP#72L1o1h=<s6WKnM`YER|zq6yf@rY{n?
zqTEM0|0SM<v}VW(_cP@8blMt8?EQbNyU6$xDYc}tA+$S|5X?@v)Ho!ja(+TgJ0}+S
zej0EKvbQ}b=eyD5--|Z^mpM-XL(2I6F9$x0sjOT9ZUJmh{=|1z=Db*5Noxh0fZcP9
zzWvLM5lBwvIH?a@1WZD#)g~i3eJ3N4J+t#zy#(~r|Bp#)C0A5dRxUzPPn0XG5d;12
z9hR|$inxB6)aloVC0CquMD}r8*D}mLp6V;k-H=7cBxGNB2Y(q97h4Y;53`UYW#zyE
zf~WBeN*lx{yLBypw;_^gp-0wd<4ADo6dOV(hw+39vX%yxBDTo$VlLP33i8Xun~KH+
zTq2AD4lL1on~zvQeN%)rhE_h0Sr53-1Z)IhgwDH`me4&-1=<r&sMuUi4R~B{6R;7K
zw}G9J)zP#w8fb_A<la$GN6QYv_JmK)ZUQc2rXew(pGxsPT#wivukdk9g$gg|Pc{t*
z9%P_C>n19X;+kT`Oeu@Y8lVpnhv^Q|v#|0Vk~zXp_?exNec^W6=z~~3RcP6}>+j2T
z?j0mA@e-=1NqrvJCBSu6=yd3L;F7o>gzW>zvk&Zr7AoQ+6JB3;BMU%&vOjEz*hEJ)
z;%ma%%!We=7DDIUtQSFsXmS+~2M!N$yzK+0nD4bA9*pd1CULI23*r{&H+9Pu5l`28
z<h)RVkez4w_Yqy!VaPU`&4J69m$gCl#eMbyFT9GRR_RIbbSSMNzNXW&{{I#d=GG5W
zfCsaF?-Sv*ZEFHH0G<Fkt8kvf-$GGX<^d0DkGnsT+$;=H$5}oQaSyEGAiUd~|4j7+
z=o=tG1*2kx3E0RTx*n+w_DsYWWPyWnen5O_`yeKXrxINPG8e9T&*Z!y+93`KH8B?1
zub!Uu*<hlzQIFLv(N>|;!))L_{b>wzMGQhZ1KS{rU|zRW7U-ONDq_e#R{vd@qWb6r
z+{M~ZJxdT5!Jaz(*cn-zU4}#oeTsEchF(m#Ab3T`1e{J5Y0sR!jnfqIdfE&z+HcI-
zWNRz*n0ZJX>F-&azBJ98jcmo8m-X2wyv4V=9Jn^^6<`8h8`wPUEYzPb%Ix`_tG)36
z;6o38zXK9G>yT2oc@wa>lKo`WkZQW=eEkJv@oxg+!nq7+2yCu%-=l%!O6kUvB;Xgd
z!sBEGvX8jLG*A*8sy`qWT8k0uwv9^lhLa@V!$@ghF(Z*Qr+NsTk|asnNG+_*8Af^q
zT*n@VVWd~UhGCe14Z{R%7={VhFbtQNA%~G9K1DpADzZMS1UdkFc{qM9@VNfJBJ22;
zz#lyvzZyx9wk+rPI*4<}dM04QD9kIsrFlN@?NPwr0vF`@yp=}*uL8~}@ZC{K6mZ6d
z(ME!3R^ao^JRaY$z~^2A3RD0a=lQ%|Or6~tpMPJG(YKCaB$<jBkFRi0zE}MEC0AyU
z2nB{=6rYwp|9)8p@efS`HWDz(nXM78DL>55AW<2Tz&v|~Mi~<%XV$E`i0@>d1l+*u
z#2gSTMwTMcAKtfiY80SvfMX`rO;DrSqr@LjM_?;!r$!#OL}HxzWn2b{J-pKD&^ZmP
z3XB5W5b(HnGl<p6t5%1x45JMrmsSJ|^D_~cU1h{E*y_<Rio%e9$2|&bt+0mU-wMPq
zjBpG<vR?$@$!r0ypn9$t!!X>kCva=PV_!xbH>%k|UuSh{7_ra^cr(QDf2sOUwt%N2
zNs0}_aK`~i4C|ow)$aix=MykUstUs}+;AP@G8x7Luz&V1xhI+h+-db}7?E-elJe%V
zkmq>@33^aaz#xgD7FwMfMj*2NhJUX;?$bz4rZB7lPRjkTP*;AKJqN=G#035KZY0^-
z0TG?|Sn?PH6%z1&fE(>u7=|xa16Kl*fj>of-oe1od|%WwnZ5)VW6#7eJX1%9x!Xs0
z&QE|73w>GJYS_NOm-bu?qbSS)y4UmvwF$TqadZ0C>e4V`WdUMlxhRZ)L1Jcg20pVo
zH9`z6!~C7s<1-=JdDY+L``ZfQjovx~@gJWa^oH}j4LTt<n1<mOufEWQqB437>Dnk{
zJFiRr*lfQb$-?8{ZJ<5yU6?mkK2`z;1An#lX!ztm9{;Y;qUm^#$A4Vl^GP0$pAO8=
z^LcCHi3@!@&`mo`q84x!S0kPjA6UCIJaRK@_eTryI_l$EpjUdhmg9c}&MolWJm3@$
z*LgD4-D)ee!}<ydd*h19z(I(6p)V>bD=Whk{3qZVpt-ftTA2oHQ^xmSp#s}Ud$Tp#
zf&8jH=Y1Z|aXb<`tx?wTtC2<42dF)=={_oyX2=3<6>|{B`j2zUx(aCHuuhh1hZxxA
zBCLQ>@eT~~_Amh(38brbO8Yr3=K)|4Ff+_aqF7m*k0g}p1iWC+-$*H&0QUp$Iu`F3
zWN-KMu;PtMz}X83hap+u%=p7d6Bhwf$Z^$+m>D|9-Uk>L)k$6KZ9Ri{UR<JMe8Wg8
zy^$5_8-XSc%NYc;rSKwMq6A#UjlgzTtSuvXv_k?pKCAzC#gm9#^p&nUGuPH7Gj&+f
z9dnE@ice$UHtlr}by&{(Krdt^`zx0>6qk9}I34?+h(`+(!-$x(b)I{^!!qUpX92qc
zqvE)!Ow5%ySmy%QU~#C8c<6;#a@_@N>ad)fb;@{eoHv&#LWTZ<Y>>AF9=G;oIHC;_
z%4P(?gQt687|;P($zBlmO=gN%!CwRYkUh8eti2f#Q6Gu^I2j2h=Za5(BlKrdv2He#
zfC_&N*bOnWn``aQ2*GiP4Z>x3cR}>a65w)V^?F#bZ#a{n%D+p8Jr>s1@Jm-@(dbEF
zYlr1Ltn=KzC*{U7340JfBVlbj0xwy+G-_dU;2y;Maes&9j6vM|P6d8QQUzoZ`d}sk
zhX6+*0kI7umkW?>p|c#8@f{MRZXd*@F>z!P{*aypb_A}_xrbpKjw~SE0&L)@jMc!k
zI$Zu&k}D&Vl81I3vhDP+wcoO(1F~rJJmORAil-6t$AO5iGA7_?n5A=&?!X(?p38=2
zh>=8<x0@@*BSs&`AzPfOAd|ueIu6(yam|`$?YpEo3z!Q0*<l%T5HriFmF!fJN%6yd
zROcvvBYz}8Bfa!Q90KkEHgs6dZOGQ;J!!3|Ov)ehDkNKZTi_{c_o=5XvX?s&=;E-P
z;YjG#3y3dVtO>XVz6JW|oBLhULF#CPIK6+Vb5K`&f;jOXuK!OxnG$OVqk-LZ?(~D{
zA{Cs3?B@=2SjIx&V(oRGFQv-MlxU;4SLesKm_8CqH)J>A5ul~Ra_-Z%a8oH(Vy1)}
z$P(Z}WY6$<(@SF55(%j~7U<!4G}aY3lM;54$&^8Z`8;dhGtu-@R4&%x@@Wpsm;&@g
z)<edZdWB}nsPPO(oFpzroF<I;I12I4y#Z+GsEl8cG$`8xPn1i=X3DTJ-GuD@-5+zg
zm1S7hoe{6Hp+uXtK9|RlEvT!@t)9zK!04Rl44osr8dI6&6a#D{B-7ppNG>8*ybbJ&
zM0WXaIX2{S6>t^f5kJzth{>KyS^$?KNxn*%bF?ncb6Cdr`U38TWHl^XqDXF5GIfDi
zbzP44gw#QpqU8)JvHCj*F~;Z^!xZQ$EbE5}xBy#eLp;H8IU}?orajN{j(Q(|bX?A}
z`r?~xP1FSJg}snf&F+rNxeIZ~_%UVm^BW|1++~i-nV>HS3$bJZ4#erm>gHw+%UGoI
z<9kz5C;gDzS1#-1XMM5VY)#Mv9G3NwY!VkZE@vVVApEt2*28W(2i?PQIS=Yu#5`+y
zHIuO_@WfKYseA|ACNb}TY->FY{5C=N-vW3Dc*n7LUq|+i`<r-8z%KX_3F~q&Zr#z2
zK~}4;L0s*MHbO%z*QNreI4tLD;8<i&_akd&HiV9gKO?zc8#^pxrVb|`i}~Jq1J@%~
zYp(bO30OFY^0ZVl0VjZsv=N@>xSVmwLYM3K#2r+)Jsp?xl-|#DYeF`JE++GI&ejFD
zNzA*ci2sQj|Je<JJCNv)F2y?@aU<+w;xz#$i4Tzo{>LF9eq3>~&KWO_@cEss=RDWp
zb^o9*x~{-m)?91|o%9#uK*Y$Qp~G^%L5xlQO|T&3y%8gcc8=@gW-Vu#H4PJRn%EM_
zWOuyda%Lf>hOZ)~hBJW`Ie*gt*aC6u+egK_wd3m=4qO6!Wlg~ZoMyTs&g{FzI4_@r
zSa?+;tK^&LPaI6r(Z>jT^d{g^;uIb7wkXm2n~&^W-(ip11YD{#R1sf9Y54~KL+AYq
z>=B!Q%Yin?erxZP-^XagT5FO$()h7$q~b9ZI1<@&{Wyi!{}mFfuBVCD1YFLH209^o
zus@~XdY2*z*SAMjz6~2f8%h(zEc2{{Uf*D3TWGdDDig3#m=45akL;DW?63_RLYD*+
zk!<ltQCuU48Hnj-cN4Gmz(#N`M_d=1$5h@jB(C!{h|8a00yaX@6j|sx5!l9288eYA
z2Y1*!*92_1;}9fjM|UI)ZWw0i@OTJfyS&n>*92_D^!$)5s9lkTuk8?f=cY&?zHCdc
trAVa5xrpoFM8r4uLtvFvWjgu)0RZibxrqZf*>3;<002ovPDHLkV1fd#8C?JX

diff --git a/mkdocs.yml b/mkdocs.yml
deleted file mode 100644
index 449af7b..0000000
--- a/mkdocs.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-site_name: Program Learning for Beginner
-repo_url: https://github.com/KmolYuan/program-learning
-copyright: Copyright © 2020 <a href="https://github.com/KmolYuan">Yuan Chang</a>
-site_description: Programing language tutorials.
-
-theme:
-  name: material
-  favicon: img/icon.png
-  logo: img/logo.png
-  nav_style: dark
-  features:
-    - tabs
-
-markdown_extensions:
-  - pymdownx.arithmatex
-  - pymdownx.smartsymbols
-  - pymdownx.tabbed
-  - pymdownx.superfences:
-      preserve_tabs: true
-  - toc:
-      permalink: true
-  - admonition
-  - smarty
-  - attr_list
-  - codehilite
-
-plugins:
-  - search
-  - git-revision-date-localized
-
-extra_javascript:
-  - https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-MML-AM_CHTML
-
-nav:
-  - Home Page: index.md
-  - Knowledge:
-    - Version Control:
-      - Git: git.md
-    - Programing:
-      - Python: python.md
-      - C / C++: c-cpp.md
-      - Matlab (EN): matlab-en.md
-    - Webpages:
-      - HTML5 & CSS & Markdown: html5.md
-    - Data Format:
-      - YAML: yaml.md
-      - Latex Math (TODO): latex-math.md
-  - Multi-Language Learning:
-    - Regular Expression: re.md
-    - Syntax: syntax.md
-    - Expression and Statement: expr.md
-  - Keywords:
-    - IT introduces: IT-intro.md
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 0a43e13..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-mkdocs>=1.1
-pygments>=2.6
-mkdocs-material
-pymdown-extensions
-mkdocs-git-revision-date-localized-plugin
diff --git a/src/SUMMARY.md b/src/SUMMARY.md
new file mode 100644
index 0000000..89ddeea
--- /dev/null
+++ b/src/SUMMARY.md
@@ -0,0 +1,22 @@
+# Summary
+
++ [Home](index.md)
++ [Version Control](vc/README.md)
+    + [Git](vc/git.md)
++ [Languages](languages/README.md)
+    + [Python](languages/python.md)
+    + [C / C++](languages/c-cpp.md)
+    + [Matlab (EN)](languages/matlab-en.md)
+    + [Latex Math (TODO)](languages/latex-math.md)
++ [Webpages](webpages/README.md)
+    + [HTML5 & CSS & Markdown](webpages/html5.md)
++ [Data Format](data-format/README.md)
+    + [YAML](data-format/yaml.md)
++ [Multi-Language Learning](multilang/README.md)
+    + [Regular Expression](multilang/re.md)
+    + [Syntax](multilang/syntax.md)
+    + [Expression and Statement](multilang/expr.md)
+
+---
+
+[Keywords](it-intro.md)
diff --git a/src/data-format/README.md b/src/data-format/README.md
new file mode 100644
index 0000000..913ee53
--- /dev/null
+++ b/src/data-format/README.md
@@ -0,0 +1 @@
+# Data Format
diff --git a/docs/yaml.md b/src/data-format/yaml.md
similarity index 100%
rename from docs/yaml.md
rename to src/data-format/yaml.md
diff --git a/docs/index.md b/src/index.md
similarity index 100%
rename from docs/index.md
rename to src/index.md
diff --git a/docs/IT-intro.md b/src/it-intro.md
similarity index 100%
rename from docs/IT-intro.md
rename to src/it-intro.md
diff --git a/src/languages/README.md b/src/languages/README.md
new file mode 100644
index 0000000..89ca59e
--- /dev/null
+++ b/src/languages/README.md
@@ -0,0 +1 @@
+# Programing
diff --git a/docs/c-cpp.md b/src/languages/c-cpp.md
similarity index 100%
rename from docs/c-cpp.md
rename to src/languages/c-cpp.md
diff --git a/docs/img/cmake.svg b/src/languages/img/cmake.svg
similarity index 100%
rename from docs/img/cmake.svg
rename to src/languages/img/cmake.svg
diff --git a/docs/img/gnu_compiler_collection.svg b/src/languages/img/gnu_compiler_collection.svg
similarity index 100%
rename from docs/img/gnu_compiler_collection.svg
rename to src/languages/img/gnu_compiler_collection.svg
diff --git a/docs/img/icon.png b/src/languages/img/icon.png
similarity index 100%
rename from docs/img/icon.png
rename to src/languages/img/icon.png
diff --git a/docs/img/llvm.svg b/src/languages/img/llvm.svg
similarity index 100%
rename from docs/img/llvm.svg
rename to src/languages/img/llvm.svg
diff --git a/docs/img/visual_cpp.png b/src/languages/img/visual_cpp.png
similarity index 100%
rename from docs/img/visual_cpp.png
rename to src/languages/img/visual_cpp.png
diff --git a/docs/latex-math.md b/src/languages/latex-math.md
similarity index 100%
rename from docs/latex-math.md
rename to src/languages/latex-math.md
diff --git a/docs/matlab-en.md b/src/languages/matlab-en.md
similarity index 100%
rename from docs/matlab-en.md
rename to src/languages/matlab-en.md
diff --git a/docs/python.md b/src/languages/python.md
similarity index 100%
rename from docs/python.md
rename to src/languages/python.md
diff --git a/src/multilang/README.md b/src/multilang/README.md
new file mode 100644
index 0000000..de60296
--- /dev/null
+++ b/src/multilang/README.md
@@ -0,0 +1 @@
+# Multi-Language Learning
diff --git a/docs/expr.md b/src/multilang/expr.md
similarity index 100%
rename from docs/expr.md
rename to src/multilang/expr.md
diff --git a/docs/re.md b/src/multilang/re.md
similarity index 100%
rename from docs/re.md
rename to src/multilang/re.md
diff --git a/docs/syntax.md b/src/multilang/syntax.md
similarity index 100%
rename from docs/syntax.md
rename to src/multilang/syntax.md
diff --git a/src/vc/README.md b/src/vc/README.md
new file mode 100644
index 0000000..cf82bcc
--- /dev/null
+++ b/src/vc/README.md
@@ -0,0 +1 @@
+# Version Control
diff --git a/docs/git.md b/src/vc/git.md
similarity index 100%
rename from docs/git.md
rename to src/vc/git.md
diff --git a/src/webpages/README.md b/src/webpages/README.md
new file mode 100644
index 0000000..fbc970e
--- /dev/null
+++ b/src/webpages/README.md
@@ -0,0 +1 @@
+# Webpages
diff --git a/docs/html5.md b/src/webpages/html5.md
similarity index 100%
rename from docs/html5.md
rename to src/webpages/html5.md
diff --git a/src/yaml.md b/src/yaml.md
new file mode 100644
index 0000000..e730a51
--- /dev/null
+++ b/src/yaml.md
@@ -0,0 +1 @@
+# YAML