diff --git a/doc/Section_commands.html b/doc/Section_commands.html
index 839ca37981..1781bf3b32 100644
--- a/doc/Section_commands.html
+++ b/doc/Section_commands.html
@@ -341,12 +341,12 @@ of each style or click on the style itself for a full description:
 <TR ALIGN="center"><TD ><A HREF = "fix_efield.html">efield</A></TD><TD ><A HREF = "fix_enforce2d.html">enforce2d</A></TD><TD ><A HREF = "fix_evaporate.html">evaporate</A></TD><TD ><A HREF = "fix_external.html">external</A></TD><TD ><A HREF = "fix_freeze.html">freeze</A></TD><TD ><A HREF = "fix_gcmc.html">gcmc</A></TD><TD ><A HREF = "fix_gravity.html">gravity</A></TD><TD ><A HREF = "fix_heat.html">heat</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "fix_indent.html">indent</A></TD><TD ><A HREF = "fix_langevin.html">langevin</A></TD><TD ><A HREF = "fix_lineforce.html">lineforce</A></TD><TD ><A HREF = "fix_momentum.html">momentum</A></TD><TD ><A HREF = "fix_move.html">move</A></TD><TD ><A HREF = "fix_msst.html">msst</A></TD><TD ><A HREF = "fix_neb.html">neb</A></TD><TD ><A HREF = "fix_nh.html">nph</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "fix_nphug.html">nphug</A></TD><TD ><A HREF = "fix_nph_asphere.html">nph/asphere</A></TD><TD ><A HREF = "fix_nph_sphere.html">nph/sphere</A></TD><TD ><A HREF = "fix_nh.html">npt</A></TD><TD ><A HREF = "fix_npt_asphere.html">npt/asphere</A></TD><TD ><A HREF = "fix_npt_sphere.html">npt/sphere</A></TD><TD ><A HREF = "fix_nve.html">nve</A></TD><TD ><A HREF = "fix_nve_asphere.html">nve/asphere</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_nve_limit.html">nve/limit</A></TD><TD ><A HREF = "fix_nve_noforce.html">nve/noforce</A></TD><TD ><A HREF = "fix_nve_sphere.html">nve/sphere</A></TD><TD ><A HREF = "fix_nh.html">nvt</A></TD><TD ><A HREF = "fix_nvt_asphere.html">nvt/asphere</A></TD><TD ><A HREF = "fix_nvt_sllod.html">nvt/sllod</A></TD><TD ><A HREF = "fix_nvt_sphere.html">nvt/sphere</A></TD><TD ><A HREF = "fix_orient_fcc.html">orient/fcc</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_planeforce.html">planeforce</A></TD><TD ><A HREF = "fix_poems.html">poems</A></TD><TD ><A HREF = "fix_pour.html">pour</A></TD><TD ><A HREF = "fix_press_berendsen.html">press/berendsen</A></TD><TD ><A HREF = "fix_print.html">print</A></TD><TD ><A HREF = "fix_qeq_comb.html">qeq/comb</A></TD><TD ><A HREF = "fix_reax_bonds.html">reax/bonds</A></TD><TD ><A HREF = "fix_recenter.html">recenter</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_restrain.html">restrain</A></TD><TD ><A HREF = "fix_rigid.html">rigid</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nve</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nvt</A></TD><TD ><A HREF = "fix_setforce.html">setforce</A></TD><TD ><A HREF = "fix_shake.html">shake</A></TD><TD ><A HREF = "fix_spring.html">spring</A></TD><TD ><A HREF = "fix_spring_rg.html">spring/rg</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_spring_self.html">spring/self</A></TD><TD ><A HREF = "fix_srd.html">srd</A></TD><TD ><A HREF = "fix_store_force.html">store/force</A></TD><TD ><A HREF = "fix_store_state.html">store/state</A></TD><TD ><A HREF = "fix_temp_berendsen.html">temp/berendsen</A></TD><TD ><A HREF = "fix_temp_rescale.html">temp/rescale</A></TD><TD ><A HREF = "fix_thermal_conductivity.html">thermal/conductivity</A></TD><TD ><A HREF = "fix_tmd.html">tmd</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_ttm.html">ttm</A></TD><TD ><A HREF = "fix_viscosity.html">viscosity</A></TD><TD ><A HREF = "fix_viscous.html">viscous</A></TD><TD ><A HREF = "fix_wall.html">wall/colloid</A></TD><TD ><A HREF = "fix_wall_gran.html">wall/gran</A></TD><TD ><A HREF = "fix_wall.html">wall/harmonic</A></TD><TD ><A HREF = "fix_wall.html">wall/lj126</A></TD><TD ><A HREF = "fix_wall.html">wall/lj93</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "fix_wall_reflect.html">wall/reflect</A></TD><TD ><A HREF = "fix_wall_region.html">wall/region</A></TD><TD ><A HREF = "fix_wall_srd.html">wall/srd</A> 
+<TR ALIGN="center"><TD ><A HREF = "fix_nve_limit.html">nve/limit</A></TD><TD ><A HREF = "fix_nve_line.html">nve/line</A></TD><TD ><A HREF = "fix_nve_noforce.html">nve/noforce</A></TD><TD ><A HREF = "fix_nve_sphere.html">nve/sphere</A></TD><TD ><A HREF = "fix_nve_tri.html">nve/tri</A></TD><TD ><A HREF = "fix_nh.html">nvt</A></TD><TD ><A HREF = "fix_nvt_asphere.html">nvt/asphere</A></TD><TD ><A HREF = "fix_nvt_sllod.html">nvt/sllod</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "fix_nvt_sphere.html">nvt/sphere</A></TD><TD ><A HREF = "fix_orient_fcc.html">orient/fcc</A></TD><TD ><A HREF = "fix_planeforce.html">planeforce</A></TD><TD ><A HREF = "fix_poems.html">poems</A></TD><TD ><A HREF = "fix_pour.html">pour</A></TD><TD ><A HREF = "fix_press_berendsen.html">press/berendsen</A></TD><TD ><A HREF = "fix_print.html">print</A></TD><TD ><A HREF = "fix_qeq_comb.html">qeq/comb</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "fix_reax_bonds.html">reax/bonds</A></TD><TD ><A HREF = "fix_recenter.html">recenter</A></TD><TD ><A HREF = "fix_restrain.html">restrain</A></TD><TD ><A HREF = "fix_rigid.html">rigid</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nve</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nvt</A></TD><TD ><A HREF = "fix_setforce.html">setforce</A></TD><TD ><A HREF = "fix_shake.html">shake</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "fix_spring.html">spring</A></TD><TD ><A HREF = "fix_spring_rg.html">spring/rg</A></TD><TD ><A HREF = "fix_spring_self.html">spring/self</A></TD><TD ><A HREF = "fix_srd.html">srd</A></TD><TD ><A HREF = "fix_store_force.html">store/force</A></TD><TD ><A HREF = "fix_store_state.html">store/state</A></TD><TD ><A HREF = "fix_temp_berendsen.html">temp/berendsen</A></TD><TD ><A HREF = "fix_temp_rescale.html">temp/rescale</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "fix_thermal_conductivity.html">thermal/conductivity</A></TD><TD ><A HREF = "fix_tmd.html">tmd</A></TD><TD ><A HREF = "fix_ttm.html">ttm</A></TD><TD ><A HREF = "fix_viscosity.html">viscosity</A></TD><TD ><A HREF = "fix_viscous.html">viscous</A></TD><TD ><A HREF = "fix_wall.html">wall/colloid</A></TD><TD ><A HREF = "fix_wall_gran.html">wall/gran</A></TD><TD ><A HREF = "fix_wall.html">wall/harmonic</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "fix_wall.html">wall/lj126</A></TD><TD ><A HREF = "fix_wall.html">wall/lj93</A></TD><TD ><A HREF = "fix_wall_reflect.html">wall/reflect</A></TD><TD ><A HREF = "fix_wall_region.html">wall/region</A></TD><TD ><A HREF = "fix_wall_srd.html">wall/srd</A> 
 </TD></TR></TABLE></DIV>
 
 <P>These are fix styles contributed by users, which can be used if
@@ -419,15 +419,15 @@ potentials.  Click on the style itself for a full description:
 <TR ALIGN="center"><TD ><A HREF = "pair_dpd.html">dpd</A></TD><TD ><A HREF = "pair_dpd.html">dpd/tstat</A></TD><TD ><A HREF = "pair_dsmc.html">dsmc</A></TD><TD ><A HREF = "pair_eam.html">eam</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "pair_eam.html">eam/alloy</A></TD><TD ><A HREF = "pair_eam.html">eam/fs</A></TD><TD ><A HREF = "pair_eim.html">eim</A></TD><TD ><A HREF = "pair_gauss.html">gauss</A></TD></TR>
 <TR ALIGN="center"><TD ><A HREF = "pair_gayberne.html">gayberne</A></TD><TD ><A HREF = "pair_gran.html">gran/hertz/history</A></TD><TD ><A HREF = "pair_gran.html">gran/hooke</A></TD><TD ><A HREF = "pair_gran.html">gran/hooke/history</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_hbond_dreiding.html">hbond/dreiding/lj</A></TD><TD ><A HREF = "pair_hbond_dreiding.html">hbond/dreiding/morse</A></TD><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/charmm</A></TD><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/charmm/implicit</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/long</A></TD><TD ><A HREF = "pair_class2.html">lj/class2</A></TD><TD ><A HREF = "pair_class2.html">lj/class2/coul/cut</A></TD><TD ><A HREF = "pair_class2.html">lj/class2/coul/long</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_lj.html">lj/cut</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/cut</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/debye</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/long</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_lj.html">lj/cut/coul/long/tip4p</A></TD><TD ><A HREF = "pair_lj_expand.html">lj/expand</A></TD><TD ><A HREF = "pair_gromacs.html">lj/gromacs</A></TD><TD ><A HREF = "pair_gromacs.html">lj/gromacs/coul/gromacs</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_lj_smooth.html">lj/smooth</A></TD><TD ><A HREF = "pair_lj96.html">lj96/cut</A></TD><TD ><A HREF = "pair_lubricate.html">lubricate</A></TD><TD ><A HREF = "pair_meam.html">meam</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_morse.html">morse</A></TD><TD ><A HREF = "pair_peri.html">peri/lps</A></TD><TD ><A HREF = "pair_peri.html">peri/pmb</A></TD><TD ><A HREF = "pair_reax.html">reax</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_airebo.html">rebo</A></TD><TD ><A HREF = "pair_resquared.html">resquared</A></TD><TD ><A HREF = "pair_soft.html">soft</A></TD><TD ><A HREF = "pair_sw.html">sw</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_table.html">table</A></TD><TD ><A HREF = "pair_tersoff.html">tersoff</A></TD><TD ><A HREF = "pair_tersoff_zbl.html">tersoff/zbl</A></TD><TD ><A HREF = "pair_yukawa.html">yukawa</A></TD></TR>
-<TR ALIGN="center"><TD ><A HREF = "pair_yukawa_colloid.html">yukawa/colloid</A> 
+<TR ALIGN="center"><TD ><A HREF = "pair_hbond_dreiding.html">hbond/dreiding/lj</A></TD><TD ><A HREF = "pair_hbond_dreiding.html">hbond/dreiding/morse</A></TD><TD ><A HREF = "pair_line_lj.html">line/lj</A></TD><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/charmm</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/charmm/implicit</A></TD><TD ><A HREF = "pair_charmm.html">lj/charmm/coul/long</A></TD><TD ><A HREF = "pair_class2.html">lj/class2</A></TD><TD ><A HREF = "pair_class2.html">lj/class2/coul/cut</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_class2.html">lj/class2/coul/long</A></TD><TD ><A HREF = "pair_lj.html">lj/cut</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/cut</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/debye</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_lj.html">lj/cut/coul/long</A></TD><TD ><A HREF = "pair_lj.html">lj/cut/coul/long/tip4p</A></TD><TD ><A HREF = "pair_lj_expand.html">lj/expand</A></TD><TD ><A HREF = "pair_gromacs.html">lj/gromacs</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_gromacs.html">lj/gromacs/coul/gromacs</A></TD><TD ><A HREF = "pair_lj_smooth.html">lj/smooth</A></TD><TD ><A HREF = "pair_lj96.html">lj96/cut</A></TD><TD ><A HREF = "pair_lubricate.html">lubricate</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_meam.html">meam</A></TD><TD ><A HREF = "pair_morse.html">morse</A></TD><TD ><A HREF = "pair_peri.html">peri/lps</A></TD><TD ><A HREF = "pair_peri.html">peri/pmb</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_reax.html">reax</A></TD><TD ><A HREF = "pair_airebo.html">rebo</A></TD><TD ><A HREF = "pair_resquared.html">resquared</A></TD><TD ><A HREF = "pair_soft.html">soft</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_sw.html">sw</A></TD><TD ><A HREF = "pair_table.html">table</A></TD><TD ><A HREF = "pair_tersoff.html">tersoff</A></TD><TD ><A HREF = "pair_tersoff_zbl.html">tersoff/zbl</A></TD></TR>
+<TR ALIGN="center"><TD ><A HREF = "pair_tri_lj.html">tri/lj</A></TD><TD ><A HREF = "pair_yukawa.html">yukawa</A></TD><TD ><A HREF = "pair_yukawa_colloid.html">yukawa/colloid</A> 
 </TD></TR></TABLE></DIV>
 
 <P>These are pair styles contributed by users, which can be used if
diff --git a/doc/Section_commands.txt b/doc/Section_commands.txt
index d6e2e5dd17..67700fd323 100644
--- a/doc/Section_commands.txt
+++ b/doc/Section_commands.txt
@@ -438,8 +438,10 @@ of each style or click on the style itself for a full description:
 "nve"_fix_nve.html,
 "nve/asphere"_fix_nve_asphere.html,
 "nve/limit"_fix_nve_limit.html,
+"nve/line"_fix_nve_line.html,
 "nve/noforce"_fix_nve_noforce.html,
 "nve/sphere"_fix_nve_sphere.html,
+"nve/tri"_fix_nve_tri.html,
 "nvt"_fix_nh.html,
 "nvt/asphere"_fix_nvt_asphere.html,
 "nvt/sllod"_fix_nvt_sllod.html,
@@ -638,6 +640,7 @@ potentials.  Click on the style itself for a full description:
 "gran/hooke/history"_pair_gran.html,
 "hbond/dreiding/lj"_pair_hbond_dreiding.html,
 "hbond/dreiding/morse"_pair_hbond_dreiding.html,
+"line/lj"_pair_line_lj.html,
 "lj/charmm/coul/charmm"_pair_charmm.html,
 "lj/charmm/coul/charmm/implicit"_pair_charmm.html,
 "lj/charmm/coul/long"_pair_charmm.html,
@@ -667,6 +670,7 @@ potentials.  Click on the style itself for a full description:
 "table"_pair_table.html,
 "tersoff"_pair_tersoff.html,
 "tersoff/zbl"_pair_tersoff_zbl.html,
+"tri/lj"_pair_tri_lj.html,
 "yukawa"_pair_yukawa.html,
 "yukawa/colloid"_pair_yukawa_colloid.html :tb(c=4,ea=c)
 
diff --git a/doc/fix.html b/doc/fix.html
index c005536590..6d84638722 100644
--- a/doc/fix.html
+++ b/doc/fix.html
@@ -184,7 +184,6 @@ list of fix styles available in LAMMPS:
 <LI><A HREF = "fix_gcmc.html">gcmc</A> - grand canonical insertions/deletions
 <LI><A HREF = "fix_heat.html">heat</A> - add/subtract momentum-conserving heat
 <LI><A HREF = "fix_indent.html">indent</A> - impose force due to an indenter
-<LI><A HREF = "fix_integrateU.html">integrateU</A> - Stokesian Dynamics evolution
 <LI><A HREF = "fix_langevin.html">langevin</A> - Langevin temperature control
 <LI><A HREF = "fix_lineforce.html">lineforce</A> - constrain atoms to move in a line
 <LI><A HREF = "fix_momentum.html">momentum</A> - zero the linear and/or angular momentum of a group of atoms
diff --git a/doc/fix.txt b/doc/fix.txt
index 6f59881200..6b824cf10c 100644
--- a/doc/fix.txt
+++ b/doc/fix.txt
@@ -179,7 +179,6 @@ list of fix styles available in LAMMPS:
 "gcmc"_fix_gcmc.html - grand canonical insertions/deletions
 "heat"_fix_heat.html - add/subtract momentum-conserving heat
 "indent"_fix_indent.html - impose force due to an indenter
-"integrateU"_fix_integrateU.html - Stokesian Dynamics evolution
 "langevin"_fix_langevin.html - Langevin temperature control
 "lineforce"_fix_lineforce.html - constrain atoms to move in a line
 "momentum"_fix_momentum.html - zero the linear and/or angular momentum of a group of atoms
diff --git a/doc/pair_coeff.html b/doc/pair_coeff.html
index fb5ffd893a..750a34767b 100644
--- a/doc/pair_coeff.html
+++ b/doc/pair_coeff.html
@@ -113,6 +113,7 @@ the pair_style command, and coefficients specified by the associated
 <LI><A HREF = "pair_gran.html">pair_style gran/hooke/history</A> - granular potential without history effects
 <LI><A HREF = "pair_hbond_dreiding.html">pair_style hbond/dreiding/lj</A> - DREIDING hydrogen bonding LJ potential
 <LI><A HREF = "pair_hbond_dreiding.html">pair_style hbond/dreiding/morse</A> - DREIDING hydrogen bonding Morse potential
+<LI><A HREF = "pair_line_lj.html">pair_style line/lj</A> - LJ potential between line segments
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/charmm</A> - CHARMM potential with cutoff Coulomb
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/charmm/implicit</A> - CHARMM for implicit solvent
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/long</A> - CHARMM with long-range Coulomb
@@ -142,6 +143,7 @@ the pair_style command, and coefficients specified by the associated
 <LI><A HREF = "pair_table.html">pair_style table</A> - tabulated pair potential
 <LI><A HREF = "pair_tersoff.html">pair_style tersoff</A> - Tersoff 3-body potential
 <LI><A HREF = "pair_tersoff_zbl.html">pair_style tersoff/zbl</A> - Tersoff/ZBL 3-body potential
+<LI><A HREF = "pair_tri_lj.html">pair_style tri/lj</A> - LJ potential between triangles
 <LI><A HREF = "pair_yukawa.html">pair_style yukawa</A> - Yukawa potential
 <LI><A HREF = "pair_yukawa_colloid.html">pair_style yukawa/colloid</A> - screened Yukawa potential for finite-size particles 
 </UL>
diff --git a/doc/pair_coeff.txt b/doc/pair_coeff.txt
index 5a6c00a247..02aebc35f6 100644
--- a/doc/pair_coeff.txt
+++ b/doc/pair_coeff.txt
@@ -110,6 +110,7 @@ the pair_style command, and coefficients specified by the associated
 "pair_style gran/hooke/history"_pair_gran.html - granular potential without history effects
 "pair_style hbond/dreiding/lj"_pair_hbond_dreiding.html - DREIDING hydrogen bonding LJ potential
 "pair_style hbond/dreiding/morse"_pair_hbond_dreiding.html - DREIDING hydrogen bonding Morse potential
+"pair_style line/lj"_pair_line_lj.html - LJ potential between line segments
 "pair_style lj/charmm/coul/charmm"_pair_charmm.html - CHARMM potential with cutoff Coulomb
 "pair_style lj/charmm/coul/charmm/implicit"_pair_charmm.html - CHARMM for implicit solvent
 "pair_style lj/charmm/coul/long"_pair_charmm.html - CHARMM with long-range Coulomb
@@ -139,6 +140,7 @@ the pair_style command, and coefficients specified by the associated
 "pair_style table"_pair_table.html - tabulated pair potential
 "pair_style tersoff"_pair_tersoff.html - Tersoff 3-body potential
 "pair_style tersoff/zbl"_pair_tersoff_zbl.html - Tersoff/ZBL 3-body potential
+"pair_style tri/lj"_pair_tri_lj.html - LJ potential between triangles
 "pair_style yukawa"_pair_yukawa.html - Yukawa potential
 "pair_style yukawa/colloid"_pair_yukawa_colloid.html - screened Yukawa potential for finite-size particles :ul
 
diff --git a/doc/pair_style.html b/doc/pair_style.html
index 0fd6871819..b00d2360e5 100644
--- a/doc/pair_style.html
+++ b/doc/pair_style.html
@@ -115,6 +115,7 @@ the pair_style command, and coefficients specified by the associated
 <LI><A HREF = "pair_gran.html">pair_style gran/hooke/history</A> - granular potential without history effects
 <LI><A HREF = "pair_hbond_dreiding.html">pair_style hbond/dreiding/lj</A> - DREIDING hydrogen bonding LJ potential
 <LI><A HREF = "pair_hbond_dreiding.html">pair_style hbond/dreiding/morse</A> - DREIDING hydrogen bonding Morse potential
+<LI><A HREF = "pair_line_lj.html">pair_style line/lj</A> - LJ potential between line segments
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/charmm</A> - CHARMM potential with cutoff Coulomb
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/charmm/implicit</A> - CHARMM for implicit solvent
 <LI><A HREF = "pair_charmm.html">pair_style lj/charmm/coul/long</A> - CHARMM with long-range Coulomb
@@ -144,6 +145,7 @@ the pair_style command, and coefficients specified by the associated
 <LI><A HREF = "pair_table.html">pair_style table</A> - tabulated pair potential
 <LI><A HREF = "pair_tersoff.html">pair_style tersoff</A> - Tersoff 3-body potential
 <LI><A HREF = "pair_tersoff_zbl.html">pair_style tersoff/zbl</A> - Tersoff/ZBL 3-body potential
+<LI><A HREF = "pair_tri_lj.html">pair_style tri/lj</A> - LJ potential between triangles
 <LI><A HREF = "pair_yukawa.html">pair_style yukawa</A> - Yukawa potential
 <LI><A HREF = "pair_yukawa_colloid.html">pair_style yukawa/colloid</A> - screened Yukawa potential for finite-size particles 
 </UL>
diff --git a/doc/pair_style.txt b/doc/pair_style.txt
index d7ae16d690..c450e3272a 100644
--- a/doc/pair_style.txt
+++ b/doc/pair_style.txt
@@ -112,6 +112,7 @@ the pair_style command, and coefficients specified by the associated
 "pair_style gran/hooke/history"_pair_gran.html - granular potential without history effects
 "pair_style hbond/dreiding/lj"_pair_hbond_dreiding.html - DREIDING hydrogen bonding LJ potential
 "pair_style hbond/dreiding/morse"_pair_hbond_dreiding.html - DREIDING hydrogen bonding Morse potential
+"pair_style line/lj"_pair_line_lj.html - LJ potential between line segments
 "pair_style lj/charmm/coul/charmm"_pair_charmm.html - CHARMM potential with cutoff Coulomb
 "pair_style lj/charmm/coul/charmm/implicit"_pair_charmm.html - CHARMM for implicit solvent
 "pair_style lj/charmm/coul/long"_pair_charmm.html - CHARMM with long-range Coulomb
@@ -141,6 +142,7 @@ the pair_style command, and coefficients specified by the associated
 "pair_style table"_pair_table.html - tabulated pair potential
 "pair_style tersoff"_pair_tersoff.html - Tersoff 3-body potential
 "pair_style tersoff/zbl"_pair_tersoff_zbl.html - Tersoff/ZBL 3-body potential
+"pair_style tri/lj"_pair_tri_lj.html - LJ potential between triangles
 "pair_style yukawa"_pair_yukawa.html - Yukawa potential
 "pair_style yukawa/colloid"_pair_yukawa_colloid.html - screened Yukawa potential for finite-size particles :ul