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# Documentation for Bmad and Tao and other Bmad based programs. | ||
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*Includes:* | ||
- Tutorial for Bmad and Tao | ||
- Tao examples | ||
- Lattice examples | ||
- Manuals for other Bmad based program | ||
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*Not Included:* | ||
- [Bmad manual](https://www.classe.cornell.edu/bmad/manual.html) | ||
- [Tao manual](https://www.classe.cornell.edu/bmad/tao.html) | ||
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bmad-doc/lattices/Dragt_PSR_small_ring/Dragt_PSR_small_ring.bmad
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!+ | ||
! This is a lattice for the Proton Storage Ring (PSR) at Los Alamos. | ||
! It is based on the paper: | ||
! Alex Dragt, | ||
! "Exact Numerical Calculation of Chromaticity in Small Rings" | ||
! Particle Accelerators, 12, pp 205-18, (1982) | ||
!- | ||
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parameter[E_tot] = 797e6 + m_proton | ||
parameter[particle] = proton | ||
parameter[geometry] = closed | ||
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b36: sbend, l = 2.54948, angle = 36*raddeg | ||
qd: quadrupole, l = 0.5, b1_gradient = -2.68 | ||
qf: quadrupole, l = 0.5, b1_gradient = 1.95 | ||
sh: sextupole, l = 0.5 | ||
sv: sextupole, l = 0.5 | ||
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d228: drift, l = 2.28646 | ||
d148: drift, l = 1.48646 | ||
d45: drift, l = 0.45 | ||
d30: drift, l = 0.30 | ||
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p_no: line = (d228, qd, d45, b36, d45, qf, d228) | ||
p_ts: line = (d228, qd, d45, b36, d45, qf, d30, sh, d148) | ||
p_ls: line = (d148, sv, d30, qd, d45, b36, d45, qf, d228) | ||
psr: line = (p_no, p_ts, p_ls, 3*p_no, p_ts, p_ls, 2*p_no) | ||
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use, psr |
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! Beginning at in.a3.mar.beg | ||
beginning[z_position] = 9.361464940552 | ||
beginning[x_position] = 13.548311830583 | ||
beginning[theta_position] = -15*pi/180 | ||
beginning[s] = 6.305575 | ||
! at la.mar.end_vessel, beta 11.5 m, alpha -0.9 | ||
BEGINNING[BETA_A] = 1.73422780020131384E+001 | ||
BEGINNING[ALPHA_A] = 3.02300262875727033E-001 | ||
BEGINNING[BETA_B] = 1.95524001260198843E+000 | ||
BEGINNING[ALPHA_B] = -1.53381642238284516E-001 | ||
parameter[e_tot] = e006 |
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MD2QUA02[B1_GRADIENT] = -1.44474001616028747E-001 | ||
MD2QUA03[B1_GRADIENT] = -4.46533459811314093E-001 | ||
MD2QUA04[B1_GRADIENT] = +7.10743752819115060E-001 | ||
MD2QUA05[B1_GRADIENT] = -9.33516081944438136E-001 | ||
MD2QUA06[B1_GRADIENT] = -3.91419230012521380E-001 | ||
MD2QUA07[B1_GRADIENT] = +3.31581481243683529E-001 | ||
MD2QUA08[B1_GRADIENT] = -5.64373216633781427E-002 |
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! __ | ||
! | \ | | | ||
! |__/ \__/ | ||
! | ||
! | ||
! __ __ | ||
! |__) /__` | ||
! |__) .__/ | ||
! | ||
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! ASSUMPTION: this file is loaded after la.demer.bmad!!! | ||
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!--------------------------- | ||
! Beam Dump Elements | ||
!--------------------------- | ||
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!---Markers | ||
DU.Mar.BEG: MARKER | ||
DU.Mar.END: MARKER | ||
DU.Mar.MID: Marker | ||
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DU.Mar.Face: MARKER | ||
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!---Pipes | ||
D2.Pip01: PIPE, L=2.072469, APERTURE = 0.5*1.38*0.0254 | ||
D2.Pip02: PIPE, L=2.660637, APERTURE = 0.5*1.38*0.0254 | ||
D2.Pip03: PIPE, L=4.724*0.0254, APERTURE = 0.5*1.38*0.0254 ! BPM 7108-302 | ||
D2.PIP04: PIPE, L=1.275*0.0254, APERTURE = 0.5*1.38*0.0254 ! Nipple, 7106-219, not present | ||
D2.PIP05: PIPE, L=6.49*0.0254, APERTURE=0.5*1.38*0.0254 ! Sliding joint and transition 7106-213 | ||
ID2GAT01: PIPE, L=0.075, APERTURE=0.5*2.38*0.0254 ! Gate Valve | ||
D2.PIP06: PIPE, L=28.08*.0254, aperture=0.5*2.38*0.0254 ! Pipe w/ 2 BPMs 7108-305 | ||
D2.PIP07: PIPE, L=33.63*0.0254, aperture=0.5*2.38*0.0254 ! Dump pumping chamber, 2.5 to 6.25 7106-304 | ||
D2.PIP08: PIPE, L=23.36*0.0254, aperture=0.5*5.15*0.0254 ! Dump taper, 7106-303 | ||
D2.PIP09: PIPE, L=1.12*0.0254, aperture=0.5*9.84*0.0254 ! Quad detector, 7106-302 | ||
D2.PIP10: PIPE, L=2.83908, aperture=0.5*11.438*0.0254 ! Beam dump, 7106-300; to tip of outside, not inside | ||
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! Centers are average of short and finger end | ||
ID2BPM04: instrument, superimpose, ref=d2.pip03, ref_origin=end, offset = -2.1345*0.0254 ! 7108-302 | ||
ID2BPM05: instrument, superimpose, ref=d2.pip06, ref_origin=beginning, offset = +3.4605*0.0254 ! 7108-304 7108-305 | ||
ID2BPM06: instrument, superimpose, ref=d2.pip06, ref_origin=end, offset = -2.9145*0.0254 ! 7108-304 7108-305 | ||
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!---Quadrupoles | ||
!DU.SEX01: AB_MULTIPOLE, B2 = 7.096800, APERTURE = DU.aperture, superimpose, ref = D2.Pip01, ele_origin=end, ref_origin=end | ||
!DU.Qua02: QUADRUPOLE, L = 0.150000, K1 = 33.709700, APERTURE = DU.aperture, superimpose, ref = D2.Pip01, ele_origin=end, ref_origin=end | ||
!DU.SEX02: AB_MULTIPOLE, B2 = 7.096800, APERTURE = DU.aperture, superimpose, ref = D2.Pip01, ele_origin=end, ref_origin=end | ||
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! Placeholder; helper quad to reduce dispersion; does not and may never exist | ||
! md2qua01: quadrupole, l=0.05, field_master=t, superimpose, ref=d2.pip01, ref_origin = beginning, offset = +0.45 | ||
! BNL ERL 6Q12 quadrupoles | ||
bnl.erl.6q12: quad, field_master = T, | ||
l = 1.6276438149813174e-01, fq1 = -1.7137226038331033e-04, fq2 = +1.4168477088720201e-05 | ||
md2qua02: bnl.erl.6q12, superimpose, ref = d2.pip01, ref_origin = beginning, offset = +0.84 | ||
md2qua03: bnl.erl.6q12, superimpose, ref = d2.pip01, ref_origin = beginning, offset = +1.158 | ||
md2qua04: bnl.erl.6q12, superimpose, ref = d2.pip01, ref_origin = beginning, offset = +1.430 | ||
md2qua05: bnl.erl.6q12, superimpose, ref = d2.pip01, ref_origin = end, offset = -0.37 | ||
md2qua06: bnl.erl.6q12, superimpose, ref = d2.pip02, ref_origin = beginning, offset = +0.32 | ||
md2qua07: bnl.erl.6q12, superimpose, ref = d2.pip02, ref_origin = beginning, offset = +0.65 | ||
md2qua08: bnl.erl.6q12, superimpose, ref = d2.pip02, ref_origin = beginning, offset = +0.98 | ||
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ID2BPM01: instrument, superimpose, ref=d2.pip01, ref_origin = beginning, offset = +0.696043 | ||
ID2BPM02: instrument, superimpose, ref=d2.pip01, ref_origin = end, offset = -0.238 | ||
ID2BPM03: instrument, superimpose, ref=d2.pip02, ref_origin = beginning, offset = +0.485 | ||
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ID2SCR01: instrument, superimpose, ref=d2.pip01, ref_origin = end, offset = -0.116303 | ||
ID2SCR02: instrument, superimpose, ref=d2.pip02, ref_origin = end, offset = -1.37 | ||
ID2SCR03: instrument, superimpose, ref=d2.pip02, ref_origin = end, offset = -0.77 | ||
ID2SCR04: instrument, superimpose, ref=d2.pip02, ref_origin = end, offset = -0.17 | ||
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!---Bends | ||
md2dip01: indpa.sym, e1 = -indpa.angle/2, e2 = -indpa.angle/2, g = -indpa.angle/indpa.sym[l] | ||
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!---Beam Stop | ||
D2.Dum01: INSTRUMENT, TYPE = "BEAMSTOP", L = 2.83412, APERTURE = 0.46 | ||
D2.Dum01[descrip] = "3DMODEL=7106-300-L0-dump_STL/7106-300-L0-dump.blend" | ||
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!---Superpositions | ||
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!DU.SEX01[offset] = -0.40 | ||
!DU.Qua02[offset] = -0.25 | ||
!DU.SEX02[offset] = -0.25 | ||
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!- - - Patch | ||
du.demerge_patch: patch | ||
DU.DEMERGE_PATCH[X_OFFSET] = +9.29523538798093796E-003 | ||
DU.DEMERGE_PATCH[X_PITCH] = +2.61799386281228785E-001 | ||
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du: line = ( | ||
du.demerge_patch, | ||
du.mar.beg, | ||
d2.pip01, | ||
md2dip01, | ||
d2.pip02, | ||
d2.pip03, | ||
d2.pip05, | ||
id2gat01, | ||
d2.pip06, | ||
d2.pip07, | ||
d2.pip08, | ||
d2.pip09, | ||
d2.pip10) | ||
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du.short: line = ( | ||
du.demerge_patch, | ||
du.mar.beg, | ||
d2.pip01) |
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! | ||
! ___ __ | ||
! |__ |__) | | ||
! |___ | \ |___ | ||
! | ||
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! Markers | ||
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Mar.BEG: marker | ||
Mar.END: marker | ||
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! Time patches | ||
return1.time_patch: patch | ||
return2.time_patch: patch | ||
return3.time_patch: patch | ||
return4.time_patch: patch | ||
return5.time_patch: patch | ||
return6.time_patch: patch | ||
return7.time_patch: patch | ||
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tmatch : match, beta_a0=1, beta_a1=1, beta_b0=1, beta_b1=1 | ||
return1.time_match: tmatch | ||
return2.time_match: tmatch | ||
return3.time_match: tmatch | ||
return4.time_match: tmatch | ||
return5.time_match: tmatch | ||
return6.time_match: tmatch | ||
return7.time_match: tmatch | ||
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RETURN1.TIME_PATCH[T_OFFSET] = +1.22459198215588780E-10 | ||
RETURN2.TIME_PATCH[T_OFFSET] = -1.13000153078586955E-10 | ||
RETURN3.TIME_PATCH[T_OFFSET] = +8.26740428593621948E-11 | ||
RETURN4.TIME_PATCH[T_OFFSET] = +4.78800005308298447E-10 | ||
RETURN5.TIME_PATCH[T_OFFSET] = RETURN3.TIME_PATCH[T_OFFSET] | ||
RETURN6.TIME_PATCH[T_OFFSET] = RETURN2.TIME_PATCH[T_OFFSET] | ||
RETURN7.TIME_PATCH[T_OFFSET] = RETURN1.TIME_PATCH[T_OFFSET] | ||
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RETURN1.TIME_MATCH[DELTA_TIME] = -8.273e-12 | ||
RETURN2.TIME_MATCH[DELTA_TIME] = -2.879e-12 | ||
RETURN3.TIME_MATCH[DELTA_TIME] = -0.878e-12 | ||
RETURN4.TIME_MATCH[DELTA_TIME] = -8.017e-12 | ||
RETURN5.TIME_MATCH[DELTA_TIME] = return3.time_match[delta_time] | ||
RETURN6.TIME_MATCH[DELTA_TIME] = return2.time_match[delta_time] | ||
RETURN7.TIME_MATCH[DELTA_TIME] = return1.time_match[delta_time] | ||
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setenergy006: patch, e_tot_set=e006 | ||
setenergy042: patch, e_tot_set=e042 | ||
setenergy078: patch, e_tot_set=e078 | ||
setenergy114: patch, e_tot_set=e114 | ||
setenergy150: patch, e_tot_set=e150 | ||
setenergy042_m: line[multipass] = (setenergy042) | ||
setenergy078_m: line[multipass] = (setenergy078) | ||
setenergy114_m: line[multipass] = (setenergy114) | ||
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! For simulating dispersion correction | ||
LA.ORBIT_SHIFT: MATCH, | ||
beta_a0 = 1, alpha_a0 = 0, beta_a1 = 1, alpha_a1 = 0, | ||
beta_b0 = 1, alpha_b0 = 0, beta_b1 = 1, alpha_b1 = 0 | ||
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! Linac | ||
LA.fakecavity: lcavity, L=1, rf_frequency=global_rf_frequency, voltage = 70e6 | ||
!LA: line[multipass] = (LA.fakecavity) | ||
call, file = in/a3/a3.bmad | ||
call, file = in/a3/a3.X.bmad | ||
call, file = in/merge/in.merge.bmad | ||
call, file = la/la.bmad | ||
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! FFAG | ||
call, file = fx/cell/cell.bmad | ||
call, file = fx/fx.bmad | ||
call, file = tx/tx.bmad | ||
call, file = zx/zx.bmad | ||
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! Splitters | ||
call, file =sx/sx.bmad | ||
call, file =rx/rx.bmad | ||
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! DU | ||
call, file = du/du.bmad | ||
call, file = du/du.X.bmad | ||
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ZA.extend: drift | ||
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mirror_merge_fork: fork, to_line = in.mirror_merge | ||
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ffa: line = (fa, ta, za, zb, tb, fb) | ||
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!- - - - - - ERL 1 pass - - - - - - | ||
erl_1pass_half: line = (in.merge.part1, IN.MERGE.part2, Mar.BEG, | ||
LA, setenergy042, la.tail, DU.part1, la.demer.match042, du.part2, | ||
S1, | ||
FA, | ||
ZA) | ||
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erl_1pass: line = ( | ||
in.merge.part1, IN.MERGE.part2, Mar.BEG, | ||
LA, setenergy042, la.tail, DU.part1, la.demer.match042, du.part2, | ||
S1, | ||
FA_single, TA_single, ZA_single, ZB_single, TB_single, FB_single, | ||
R1, R1_connect, in.merge.match042, IN.MERGE.part2, return1.time_patch, return1.time_match, | ||
LA, | ||
setenergy006, la.tail, DU.part1, la.demer.match006, du.part2, | ||
DU, | ||
!DU.short, | ||
Mar.END) | ||
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fat.end: drift, l=71.65e-3 | ||
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cbeta_fat: line = (in.a3, mirror_merge_fork, in.merge.part1, in.merge.part2, mar.beg, la, | ||
setenergy042, la.tail, du.part1, la.demer.match042, du.part2, | ||
s1_fat, fa.gir01, fat.end) | ||
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cbeta_fat_gun: line = (IN_before_MERGE, in.a3, mirror_merge_fork, in.merge.part1, in.merge.part2, mar.beg, la, | ||
setenergy042, la.tail, du.part1, la.demer.match042, du.part2, | ||
s1_fat, fa.gir01, fat.end) | ||
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!- - - - - - ERL 4 pass - - - - - - | ||
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erl_4pass1: line = ( | ||
LA, setenergy042_m, la.tail, DU.part1, la.demer.match042.line, du.part2, | ||
S1_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R1_multi, R1_connect, in.merge.match042.multi, IN.MERGE.part2, return1.time_patch, return1.time_match, | ||
LA, setenergy078_m, la.tail, DU.part1, la.demer.match078.line, du.part2) | ||
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erl_4pass2: line = ( | ||
S2_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R2_multi, R1_connect, in.merge.match078.multi, IN.MERGE.part2, return2.time_patch, return2.time_match, | ||
LA, setenergy114_m, la.tail, DU.part1, la.demer.match114.line, du.part2) | ||
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erl_4pass3: line = ( | ||
S3_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R3_multi, R1_connect, in.merge.match114.multi, IN.MERGE.part2, return3.time_patch, return3.time_match, | ||
LA, setenergy150, la.tail, DU.part1, la.demer.match150, du.part2) | ||
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erl_4pass4: line = ( | ||
S4_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R4_multi, R1_connect, in.merge.match150, IN.MERGE.part2, return4.time_patch, return4.time_match, | ||
LA, setenergy114_m, la.tail, DU.part1, la.demer.match114.line, du.part2) | ||
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erl_4pass5: line = ( | ||
S3_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R3_multi, R1_connect, in.merge.match114.multi, IN.MERGE.part2, return5.time_patch, return5.time_match, | ||
LA, setenergy078_m, la.tail, DU.part1, la.demer.match078.line, du.part2) | ||
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erl_4pass6: line = ( | ||
S2_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R2_multi, R1_connect, in.merge.match078.multi, IN.MERGE.part2, return6.time_patch, return6.time_match, | ||
LA, setenergy042_m, la.tail, DU.part1, la.demer.match042.line, du.part2) | ||
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erl_4pass7: line = ( | ||
S1_multi, | ||
FA, TA, ZA, ZB, TB, FB, | ||
R1_multi, R1_connect, in.merge.match042.multi, IN.MERGE.part2, return7.time_patch, return7.time_match, | ||
LA, setenergy006, la.tail, DU.part1, la.demer.match006, du.part2) | ||
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erl_4pass: line = (in.a3, mirror_merge_fork, in.merge.part1, IN.MERGE.part2, Mar.BEG, | ||
erl_4pass1, | ||
erl_4pass2, | ||
erl_4pass3, | ||
erl_4pass4, | ||
erl_4pass5, | ||
erl_4pass6, | ||
erl_4pass7, | ||
DU, | ||
!!DU.short, | ||
Mar.END) | ||
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cbeta_4pass: line = (IN_before_MERGE, in.a3, mirror_merge_fork, in.merge.part1, IN.MERGE.part2, Mar.BEG, | ||
erl_4pass1, | ||
erl_4pass2, | ||
erl_4pass3, | ||
erl_4pass4, | ||
erl_4pass5, | ||
erl_4pass6, | ||
erl_4pass7, | ||
DU, | ||
Mar.END) | ||
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!- - - - - - MLC Test - - - - - - | ||
mlc_test: line = (IN_before_MERGE, in.a3, mirror_merge_fork, in.merge.part1, IN.MERGE.part2, Mar.BEG, | ||
LA, | ||
Mar.END) |
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