git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@14970 f3b2605a-c512-4ea7-a41b-209d697bcdaa

doc/html/compute_dpd.html

@@ -160,7 +160,7 @@ relations:</p>
 U, dpdTheta, N_particles), which can be accessed by indices 1-5.  See
 <a class="reference internal" href="Section_howto.html#howto-15"><span class="std std-ref">this section</span></a> for an overview of LAMMPS
 output options.</p>
-<p>The vector values will be in energy and temperature <span class="xref doc">units</span>.</p>
+<p>The vector values will be in energy and temperature <a class="reference internal" href="units.html"><span class="doc">units</span></a>.</p>
 </div>
 <div class="section" id="restrictions">
 <h2>Restrictions</h2>

doc/html/compute_gyration.html

@@ -177,7 +177,7 @@ vector values from a compute as input.  See <a class="reference internal" href="
 options.</p>
 <p>The scalar and vector values calculated by this compute are
 &#8220;intensive&#8221;.  The scalar and vector values will be in distance and
-distance^2 <span class="xref doc">units</span> respectively.</p>
+distance^2 <a class="reference internal" href="units.html"><span class="doc">units</span></a> respectively.</p>
 </div>
 <div class="section" id="restrictions">
 <h2>Restrictions</h2>

doc/html/compute_gyration_chunk.html

@@ -209,7 +209,7 @@ input.  See <a class="reference internal" href="Section_howto.html#howto-15"><sp
 of LAMMPS output options.</p>
 <p>All the vector or array values calculated by this compute are
 &#8220;intensive&#8221;.  The vector or array values will be in distance
-<span class="xref doc">units</span>, since they are the square root of values
+<a class="reference internal" href="units.html"><span class="doc">units</span></a>, since they are the square root of values
 represented by the formula above.</p>
 </div>
 <div class="section" id="restrictions">

doc/html/compute_heat_flux.html

@@ -212,9 +212,9 @@ the simulation.  Note that if the compute is “all”, then the
 appropriate volume to divide by is the simulation box volume.
 However, if a sub-group is used, it should be the volume containing
 those atoms.</p>
-<p>The vector values will be in energy*velocity <span class="xref doc">units</span>.  Once
+<p>The vector values will be in energy*velocity <a class="reference internal" href="units.html"><span class="doc">units</span></a>.  Once
 divided by a volume the units will be that of flux, namely
-energy/area/time <span class="xref doc">units</span></p>
+energy/area/time <a class="reference internal" href="units.html"><span class="doc">units</span></a></p>
 </div>
 <div class="section" id="restrictions">
 <h2>Restrictions</h2>

doc/html/compute_msd_nongauss.html

@@ -177,7 +177,7 @@ accessed by indices 1-3 by any command that uses global vector values
 from a compute as input.  See <a class="reference internal" href="Section_howto.html#howto-15"><span class="std std-ref">this section</span></a> for an overview of LAMMPS output
 options.</p>
 <p>The vector values are &#8220;intensive&#8221;.  The first vector value will be in
-distance^2 <span class="xref doc">units</span>, the second is in distance^4 units, and
+distance^2 <a class="reference internal" href="units.html"><span class="doc">units</span></a>, the second is in distance^4 units, and
 the 3rd is dimensionless.</p>
 </div>
 <div class="section" id="restrictions">

doc/html/compute_pressure.html

@@ -229,7 +229,7 @@ or vector values from a compute as input.  See <a class="reference internal" hre
 options.</p>
 <p>The scalar and vector values calculated by this compute are
 &#8220;intensive&#8221;.  The scalar and vector values will be in pressure
-<span class="xref doc">units</span>.</p>
+<a class="reference internal" href="units.html"><span class="doc">units</span></a>.</p>
 </div>
 <div class="section" id="restrictions">
 <h2>Restrictions</h2>

doc/html/compute_stress_atom.html

@@ -246,7 +246,7 @@ accessed by indices 1-6 by any command that uses per-atom values from
 a compute as input.  See <a class="reference internal" href="Section_howto.html#howto-15"><span class="std std-ref">Section_howto 15</span></a> for an overview of LAMMPS output
 options.</p>
 <p>The per-atom array values will be in pressure*volume
-<span class="xref doc">units</span> as discussed above.</p>
+<a class="reference internal" href="units.html"><span class="doc">units</span></a> as discussed above.</p>
 </div>
 <div class="section" id="restrictions">
 <h2>Restrictions</h2>

doc/html/create_atoms.html

@@ -363,7 +363,7 @@ rotation.</p>
 <p>The <em>units</em> keyword determines the meaning of the distance units used
 to specify the coordinates of the one particle created by the <em>single</em>
 style.  A <em>box</em> value selects standard distance units as defined by
-the <span class="xref doc">units</span> command, e.g. Angstroms for units = real or
+the <a class="reference internal" href="units.html"><span class="doc">units</span></a> command, e.g. Angstroms for units = real or
 metal.  A <em>lattice</em> value means the distance units are in lattice
 spacings.</p>
 <hr class="docutils" />

doc/html/dump_image.html

@@ -364,7 +364,7 @@ bodies, as discussed below.  These particles can be drawn separately
 if the <em>line</em>, <em>tri</em>, or <em>body</em> keywords are used.</p>
 <p>The <em>adiam</em> keyword allows you to override the <em>diameter</em> setting to
 set a single numeric <em>size</em>.  All atoms will be drawn with that
-diameter, e.g. 1.5, which is in whatever distance <span class="xref doc">units</span>
+diameter, e.g. 1.5, which is in whatever distance <a class="reference internal" href="units.html"><span class="doc">units</span></a>
 the input script defines, e.g. Angstroms.</p>
 <p>The <em>bond</em> keyword allows to you to alter how bonds are drawn.  A bond
 is only drawn if both atoms in the bond are being drawn due to being
@@ -394,7 +394,7 @@ the <a class="reference internal" href="dump_modify.html"><span class="doc">dump
 <em>none</em> as indicated above).</p>
 <p>If a numeric value is specified, then all bonds will be drawn as
 cylinders with that diameter, e.g. 1.0, which is in whatever distance
-<span class="xref doc">units</span> the input script defines, e.g. Angstroms.</p>
+<a class="reference internal" href="units.html"><span class="doc">units</span></a> the input script defines, e.g. Angstroms.</p>
 <p>If <em>atom</em> is specified for the <em>width</em> value, then each bond
 will be drawn with a width corresponding to the minimum diameter
 of the 2 atoms in the bond.</p>
@@ -420,7 +420,7 @@ mapping of types to colors is as follows:</p>
 change this via the <a class="reference internal" href="dump_modify.html"><span class="doc">dump_modify</span></a> command.</p>
 <p>The line <em>width</em> can only be a numeric value, which specifies that all
 lines will be drawn as cylinders with that diameter, e.g. 1.0, which
-is in whatever distance <span class="xref doc">units</span> the input script defines,
+is in whatever distance <a class="reference internal" href="units.html"><span class="doc">units</span></a> the input script defines,
 e.g. Angstroms.</p>
 <p>The <em>tri</em> keyword can be used when <a class="reference internal" href="atom_style.html"><span class="doc">atom_style tri</span></a> is
 used to define particles as triangles, and will draw them as triangles

doc/html/fix_nh.html

@@ -240,11 +240,11 @@ particles will match the target values specified by Tstart/Tstop and
 Pstart/Pstop.</p>
 <p>The equations of motion used are those of Shinoda et al in
 <a class="reference internal" href="pair_sdk.html#shinoda"><span class="std std-ref">(Shinoda)</span></a>, which combine the hydrostatic equations of
-Martyna, Tobias and Klein in <a class="reference internal" href="fix_rigid.html#martyna"><span class="std std-ref">(Martyna)</span></a> with the strain
+Martyna, Tobias and Klein in <a class="reference internal" href="#martyna"><span class="std std-ref">(Martyna)</span></a> with the strain
 energy proposed by Parrinello and Rahman in
-<a class="reference internal" href="fix_nh_eff.html#parrinello"><span class="std std-ref">(Parrinello)</span></a>.  The time integration schemes closely
+<a class="reference internal" href="#parrinello"><span class="std std-ref">(Parrinello)</span></a>.  The time integration schemes closely
 follow the time-reversible measure-preserving Verlet and rRESPA
-integrators derived by Tuckerman et al in <a class="reference internal" href="run_style.html#tuckerman"><span class="std std-ref">(Tuckerman)</span></a>.</p>
+integrators derived by Tuckerman et al in <a class="reference internal" href="fix_pimd.html#tuckerman"><span class="std std-ref">(Tuckerman)</span></a>.</p>
 <hr class="docutils" />
 <p>The thermostat parameters for fix styles <em>nvt</em> and <em>npt</em> is specified
 using the <em>temp</em> keyword.  Other thermostat-related keywords are
@@ -257,7 +257,7 @@ ramped value during the run from <em>Tstart</em> to <em>Tstop</em>.  The <em>Tda
 parameter is specified in time units and determines how rapidly the
 temperature is relaxed.  For example, a value of 10.0 means to relax
 the temperature in a timespan of (roughly) 10 time units (e.g. tau or
-fmsec or psec - see the <span class="xref doc">units</span> command).  The atoms in the
+fmsec or psec - see the <a class="reference internal" href="units.html"><span class="doc">units</span></a> command).  The atoms in the
 fix group are the only ones whose velocities and positions are updated
 by the velocity/position update portion of the integration.</p>
 <div class="admonition note">
@@ -267,7 +267,7 @@ of <em>Tdamp</em>.  If <em>Tdamp</em> is too small, the temperature can fluctuat
 wildly; if it is too large, the temperature will take a very long time
 to equilibrate.  A good choice for many models is a <em>Tdamp</em> of around
 100 timesteps.  Note that this is NOT the same as 100 time units for
-most <span class="xref doc">units</span> settings.</p>
+most <a class="reference internal" href="units.html"><span class="doc">units</span></a> settings.</p>
 </div>
 <hr class="docutils" />
 <p>The barostat parameters for fix styles <em>npt</em> and <em>nph</em> is specified
@@ -302,7 +302,7 @@ simulation box must be triclinic, even if its initial tilt factors are
 <em>Tdamp</em> parameter, determining the time scale on which pressure is
 relaxed.  For example, a value of 10.0 means to relax the pressure in
 a timespan of (roughly) 10 time units (e.g. tau or fmsec or psec - see
-the <span class="xref doc">units</span> command).</p>
+the <a class="reference internal" href="units.html"><span class="doc">units</span></a> command).</p>
 <div class="admonition note">
 <p class="first admonition-title">Note</p>
 <p class="last">A Nose-Hoover barostat will not work well for arbitrary values
@@ -311,7 +311,7 @@ fluctuate wildly; if it is too large, the pressure will take a very
 long time to equilibrate.  A good choice for many models is a <em>Pdamp</em>
 of around 1000 timesteps.  However, note that <em>Pdamp</em> is specified in
 time units, and that timesteps are NOT the same as time units for most
-<span class="xref doc">units</span> settings.</p>
+<a class="reference internal" href="units.html"><span class="doc">units</span></a> settings.</p>
 </div>
 <p>Regardless of what atoms are in the fix group (the only atoms which
 are time integrated), a global pressure or stress tensor is computed
@@ -402,7 +402,7 @@ freedom. A value of 0 corresponds to no thermostatting of the
 barostat variables.</p>
 <p>The <em>mtk</em> keyword controls whether or not the correction terms due to
 Martyna, Tuckerman, and Klein are included in the equations of motion
-<a class="reference internal" href="fix_rigid.html#martyna"><span class="std std-ref">(Martyna)</span></a>.  Specifying <em>no</em> reproduces the original
+<a class="reference internal" href="#martyna"><span class="std std-ref">(Martyna)</span></a>.  Specifying <em>no</em> reproduces the original
 Hoover barostat, whose volume probability distribution function
 differs from the true NPT and NPH ensembles by a factor of 1/V.  Hence
 using <em>yes</em> is more correct, but in many cases the difference is
@@ -411,7 +411,7 @@ negligible.</p>
 scheme at little extra cost.  The initial and final updates of the
 thermostat variables are broken up into <em>tloop</em> substeps, each of
 length <em>dt</em>/<em>tloop</em>. This corresponds to using a first-order
-Suzuki-Yoshida scheme <a class="reference internal" href="run_style.html#tuckerman"><span class="std std-ref">(Tuckerman)</span></a>.  The keyword <em>ploop</em>
+Suzuki-Yoshida scheme <a class="reference internal" href="fix_pimd.html#tuckerman"><span class="std std-ref">(Tuckerman)</span></a>.  The keyword <em>ploop</em>
 does the same thing for the barostat thermostat.</p>
 <p>The keyword <em>nreset</em> controls how often the reference dimensions used
 to define the strain energy are reset.  If this keyword is not used,

doc/html/fix_wall.html

@@ -294,7 +294,7 @@ variable is used.  It is not relevant when EDGE is used to specify a
 face position.  In the variable case, the variable is assumed to
 produce a value compatible with the <em>units</em> setting you specify.</p>
 <p>A <em>box</em> value selects standard distance units as defined by the
-<span class="xref doc">units</span> command, e.g. Angstroms for units = real or metal.
+<a class="reference internal" href="units.html"><span class="doc">units</span></a> command, e.g. Angstroms for units = real or metal.
 A <em>lattice</em> value means the distance units are in lattice spacings.
 The <a class="reference internal" href="lattice.html"><span class="doc">lattice</span></a> command must have been previously used to
 define the lattice spacings.</p>

doc/html/genindex.html

@@ -2235,6 +2235,10 @@
   <dt><a href="unfix.html#index-0">unfix</a>
   </dt>
 
+      
+  <dt><a href="units.html#index-0">units</a>
+  </dt>
+
   </dl></td>
 </tr></table>
 

doc/html/pair_airebo.html

@@ -299,7 +299,7 @@ for more info.</p>
 <p>These pair potentials require the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be
 &#8220;on&#8221; for pair interactions.</p>
 <p>The CH.airebo and CH.airebo-m potential files provided with LAMMPS
-(see the potentials directory) are parameterized for metal <span class="xref doc">units</span>.
+(see the potentials directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the AIREBO, AIREBO-M or REBO potential with any LAMMPS units,
 but you would need to create your own AIREBO or AIREBO-M potential file
 with coefficients listed in the appropriate units, if your simulation

doc/html/pair_bop.html

@@ -470,7 +470,7 @@ info.</p>
 <p>These pair potentials require the <a class="reference internal" href="newton.html"><span class="doc">newtion</span></a> setting to be
 &#8220;on&#8221; for pair interactions.</p>
 <p>The CdTe.bop and GaAs.bop potential files provided with LAMMPS (see the
-potentials directory) are parameterized for metal <span class="xref doc">units</span>.
+potentials directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the BOP potential with any LAMMPS units, but you would need
 to create your own BOP potential file with coefficients listed in the
 appropriate units if your simulation does not use &#8220;metal&#8221; units.</p>

doc/html/pair_comb.html

@@ -266,7 +266,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 for pair interactions.</p>
 <p>The COMB potentials in the <em>ffield.comb</em> and <em>ffield.comb3</em> files provided
 with LAMMPS (see the potentials directory) are parameterized for metal
-<span class="xref doc">units</span>.  You can use the COMB potential with any LAMMPS
+<a class="reference internal" href="units.html"><span class="doc">units</span></a>.  You can use the COMB potential with any LAMMPS
 units, but you would need to create your own COMB potential file with
 coefficients listed in the appropriate units if your simulation
 doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_dipole.html

@@ -343,7 +343,7 @@ to be specified in an input script that reads a restart file.</p>
 only enabled if LAMMPS was built with that package.  See the <a class="reference internal" href="Section_start.html#start-3"><span class="std std-ref">Making LAMMPS</span></a> section for more info.</p>
 <p>The <em>lj/sf/dipole/sf</em> style is part of the USER-MISC package.  It is
 only enabled if LAMMPS was built with that package.  See the <a class="reference internal" href="Section_start.html#start-3"><span class="std std-ref">Making LAMMPS</span></a> section for more info.</p>
-<p>Using dipole pair styles with <em>electron</em> <span class="xref doc">units</span> is not
+<p>Using dipole pair styles with <em>electron</em> <a class="reference internal" href="units.html"><span class="doc">units</span></a> is not
 currently supported.</p>
 </div>
 <div class="section" id="related-commands">

doc/html/pair_eam.html

@@ -231,7 +231,7 @@ in a DYNAMO-style format which is described below.  DYNAMO was the
 original serial EAM MD code, written by the EAM originators.  Several
 DYNAMO potential files for different metals are included in the
 “potentials” directory of the LAMMPS distribution.  All of these files
-are parameterized in terms of LAMMPS <span class="xref doc">metal units</span>.</p>
+are parameterized in terms of LAMMPS <a class="reference internal" href="units.html"><span class="doc">metal units</span></a>.</p>
 <div class="admonition note">
 <p class="first admonition-title">Note</p>
 <p class="last">The <em>eam</em> style reads single-element EAM potentials in the
@@ -301,7 +301,7 @@ file is formatted as follows:</p>
 <li>line 3: Nrho, drho, Nr, dr, cutoff</li>
 </ul>
 <p>On line 2, all values but the mass are ignored by LAMMPS.  The mass is
-in mass <span class="xref doc">units</span>, e.g. mass number or grams/mole for metal
+in mass <a class="reference internal" href="units.html"><span class="doc">units</span></a>, e.g. mass number or grams/mole for metal
 units.  The cubic lattice constant is in Angstroms.  On line 3, Nrho
 and Nr are the number of tabulated values in the subsequent arrays,
 drho and dr are the spacing in density and distance space for the
@@ -395,7 +395,7 @@ element, each with the following format:</p>
 <li>embedding function F(rho) (Nrho values)</li>
 <li>density function rho(r) (Nr values)</li>
 </ul>
-<p>As with the <em>funcfl</em> files, only the mass (in mass <span class="xref doc">units</span>,
+<p>As with the <em>funcfl</em> files, only the mass (in mass <a class="reference internal" href="units.html"><span class="doc">units</span></a>,
 e.g. mass number or grams/mole for metal units) is used by LAMMPS from
 the 1st line.  The cubic lattice constant is in Angstroms.  The F and
 rho arrays are unique to a single element and have the same format and

doc/html/pair_edip.html

@@ -248,7 +248,7 @@ section for more info on packages.</p>
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The EDIP potential files provided with LAMMPS (see the potentials directory)
-are parameterized for metal <span class="xref doc">units</span>.
+are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the SW potential with any LAMMPS units, but you would need
 to create your own EDIP potential file with coefficients listed in the
 appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_eff.html

@@ -225,7 +225,7 @@ r_ij to the distances between electrons.  For additional details see
 <a class="reference internal" href="#jaramillo-botero"><span class="std std-ref">(Jaramillo-Botero)</span></a>.</p>
 <p>The overall electrostatics energy is given in Hartree units of energy
 by default and can be modified by an energy-conversion constant,
-according to the units chosen (see <span class="xref doc">electron_units</span>).  The
+according to the units chosen (see <a class="reference internal" href="units.html"><span class="doc">electron_units</span></a>).  The
 cutoff Rc, given in Bohrs (by default), truncates the interaction
 distance.  The recommended cutoff for this pair style should follow
 the minimum image criterion, i.e. half of the minimum unit cell

doc/html/pair_eim.html

@@ -185,7 +185,7 @@ ASCII text file in a format described below.  The “ffield.eim” file
 included in the “potentials” directory of the LAMMPS distribution
 currently includes nine elements Li, Na, K, Rb, Cs, F, Cl, Br, and I.
 A system with any combination of these elements can be modeled.  This
-file is parameterized in terms of LAMMPS <span class="xref doc">metal units</span>.</p>
+file is parameterized in terms of LAMMPS <a class="reference internal" href="units.html"><span class="doc">metal units</span></a>.</p>
 <p>Note that unlike other potentials, cutoffs for EIM potentials are not
 set in the pair_style or pair_coeff command; they are specified in the
 EIM potential file itself.  Likewise, the EIM potential file lists

doc/html/pair_meam.html

@@ -172,7 +172,7 @@ that implement MEAM potentials, such as the serial DYNAMO code and
 Warp.  Several MEAM potential files with parameters for different
 materials are included in the “potentials” directory of the LAMMPS
 distribution with a ”.meam” suffix.  All of these are parameterized in
-terms of LAMMPS <span class="xref doc">metal units</span>.</p>
+terms of LAMMPS <a class="reference internal" href="units.html"><span class="doc">metal units</span></a>.</p>
 <p>Note that unlike for other potentials, cutoffs for MEAM potentials are
 not set in the pair_style or pair_coeff command; they are specified in
 the MEAM potential files themselves.</p>

doc/html/pair_meam_spline.html

@@ -157,7 +157,7 @@ in a parameter file which is specified by the
 <a class="reference internal" href="pair_coeff.html"><span class="doc">pair_coeff</span></a> command.  Parameter files for different
 elements are included in the &#8220;potentials&#8221; directory of the LAMMPS
 distribution and have a &#8221;.meam.spline&#8221; file suffix.  All of these
-files are parameterized in terms of LAMMPS <span class="xref doc">metal units</span>.</p>
+files are parameterized in terms of LAMMPS <a class="reference internal" href="units.html"><span class="doc">metal units</span></a>.</p>
 <p>Note that unlike for other potentials, cutoffs for spline-based MEAM
 potentials are not set in the pair_style or pair_coeff command; they
 are specified in the potential files themselves.</p>

doc/html/pair_meam_sw_spline.html

@@ -161,7 +161,7 @@ in a parameter file which is specified by the
 <a class="reference internal" href="pair_coeff.html"><span class="doc">pair_coeff</span></a> command.  Parameter files for different
 elements are included in the &#8220;potentials&#8221; directory of the LAMMPS
 distribution and have a &#8221;.meam.sw.spline&#8221; file suffix.  All of these
-files are parameterized in terms of LAMMPS <span class="xref doc">metal units</span>.</p>
+files are parameterized in terms of LAMMPS <a class="reference internal" href="units.html"><span class="doc">metal units</span></a>.</p>
 <p>Note that unlike for other potentials, cutoffs for spline-based
 MEAM+SW potentials are not set in the pair_style or pair_coeff
 command; they are specified in the potential files themselves.</p>

doc/html/pair_mgpt.html

@@ -275,7 +275,7 @@ if LAMMPS is built with that package.  See the <a class="reference internal" hre
 the &#8220;potentials&#8221; directory are written in Rydberg atomic units, with
 energies in Rydbergs and distances in Bohr radii. The <em>mgpt</em> pair
 style converts Rydbergs to Hartrees to make the potential files
-compatible with LAMMPS electron <span class="xref doc">units</span>.</p>
+compatible with LAMMPS electron <a class="reference internal" href="units.html"><span class="doc">units</span></a>.</p>
 <p>The form of E_tot used in the <em>mgpt</em> pair style is only appropriate
 for elemental bulk solids and liquids.  This includes solids with
 point and extended defects such as vacancies, interstitials, grain

doc/html/pair_polymorphic.html

@@ -296,7 +296,7 @@ LAMMPS was built with that package (which it is by default). See the
 <p>This pair potential requires the <a class="reference internal" href="newton.html"><span class="doc">newtion</span></a> setting to be
 &#8220;on&#8221; for pair interactions.</p>
 <p>The potential files provided with LAMMPS (see the potentials
-directory) are parameterized for metal <span class="xref doc">units</span>. You can use
+directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>. You can use
 any LAMMPS units, but you would need to create your own potential
 files.</p>
 </div>

doc/html/pair_sw.html

@@ -305,7 +305,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The Stillinger-Weber potential files provided with LAMMPS (see the
-potentials directory) are parameterized for metal <span class="xref doc">units</span>.
+potentials directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the SW potential with any LAMMPS units, but you would need
 to create your own SW potential file with coefficients listed in the
 appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_tersoff.html

@@ -332,7 +332,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The Tersoff potential files provided with LAMMPS (see the potentials
-directory) are parameterized for metal <span class="xref doc">units</span>.  You can
+directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.  You can
 use the Tersoff potential with any LAMMPS units, but you would need to
 create your own Tersoff potential file with coefficients listed in the
 appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_tersoff_mod.html

@@ -267,7 +267,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The Tersoff/MOD potential files provided with LAMMPS (see the potentials
-directory) are parameterized for metal <span class="xref doc">units</span>.  You can
+directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.  You can
 use the Tersoff/MOD potential with any LAMMPS units, but you would need to
 create your own Tersoff/MOD potential file with coefficients listed in the
 appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_tersoff_zbl.html

@@ -332,7 +332,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The Tersoff/ZBL potential files provided with LAMMPS (see the
-potentials directory) are parameterized for metal <span class="xref doc">units</span>.
+potentials directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the Tersoff potential with any LAMMPS units, but you would
 need to create your own Tersoff potential file with coefficients
 listed in the appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221;

doc/html/pair_vashishta.html

@@ -303,7 +303,7 @@ the <a class="reference internal" href="Section_start.html#start-3"><span class=
 <p>This pair style requires the <a class="reference internal" href="newton.html"><span class="doc">newton</span></a> setting to be &#8220;on&#8221;
 for pair interactions.</p>
 <p>The Vashishta potential files provided with LAMMPS (see the
-potentials directory) are parameterized for metal <span class="xref doc">units</span>.
+potentials directory) are parameterized for metal <a class="reference internal" href="units.html"><span class="doc">units</span></a>.
 You can use the Vashishta potential with any LAMMPS units, but you would need
 to create your own Vashishta potential file with coefficients listed in the
 appropriate units if your simulation doesn&#8217;t use &#8220;metal&#8221; units.</p>

doc/html/pair_zbl.html

@@ -186,7 +186,7 @@ be included in a pair_coeff command.</p>
 screening function depend on the unit of distance. In the above
 equation they are given for units of angstroms. LAMMPS will
 automatically convert these values to the distance unit of the
-specified LAMMPS <span class="xref doc">units</span> setting.  The values of Z should
+specified LAMMPS <a class="reference internal" href="units.html"><span class="doc">units</span></a> setting.  The values of Z should
 always be given as multiples of a proton&#8217;s charge, e.g. 29.0 for
 copper.</p>
 </div>