tfix several issues detected by `mandoc -Tlint` - cngf-pf - continuum model for granular flows with pore-pressure dynamics (renamed from 1d_fd_simple_shear)
 (HTM) git clone git://src.adamsgaard.dk/cngf-pf
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 1f3994dce5b4f1d17ba77f2fa1e392f26e8d8982
 (DIR) parent 117257a5d82a24288abdc2234ec3df452d932708
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Fri, 10 Sep 2021 14:20:55 +0200
       
       fix several issues detected by `mandoc -Tlint`
       
       Diffstat:
         M cngf-pf-plot-depth-evol.1           |       6 +++---
         M cngf-pf-plot-point-evol.1           |       6 +++---
       
       2 files changed, 6 insertions(+), 6 deletions(-)
       ---
 (DIR) diff --git a/cngf-pf-plot-depth-evol.1 b/cngf-pf-plot-depth-evol.1
       t@@ -16,7 +16,7 @@ This tool is intended to process output files from
        .Xr cngf-pf 1 ,
        and visualizes the evolution of a model parameter with depth across
        output files using
       -.Xr gnuplot .
       +.Xr gnuplot 1 .
        The standard output is raw file data, so either redirect to a viewer
        program that accepts files as standard input streams, or save to disk.
        The output plot has file number as the horizontal axis, depth as the
       t@@ -56,12 +56,12 @@ Print this value as the color bar label.
        Default: "shear velocity [m/s]".
        .It Fl t Ar term
        Specify the
       -.Xr gnuplot
       +.Xr gnuplot 1
        output terminal type and corresponding output file format.
        Write
        .Ql set term
        in
       -.Xr gnuplot.
       +.Xr gnuplot 1
        to see a complete listing of output terminals available on the system.
        Default: "pdf".
        .It Ar
 (DIR) diff --git a/cngf-pf-plot-point-evol.1 b/cngf-pf-plot-point-evol.1
       t@@ -17,7 +17,7 @@ This tool is intended to process output files from
        .Xr cngf-pf 1 ,
        and visualizes the evolution of a model parameter across output files
        using
       -.Xr gnuplot .
       +.Xr gnuplot 1 .
        The standard output is raw file data, so either redirect to a viewer
        program that accepts files as standard input streams, or save to disk.
        The output plot has file number as the horizontal axis, and plots the
       t@@ -65,12 +65,12 @@ Negative numbers correspond to the n'th model point counted from the top
        Default: -1 (top point).
        .It Fl t Ar term
        Specify the
       -.Xr gnuplot
       +.Xr gnuplot 1
        output terminal type and corresponding output file format.
        Write
        .Ql set term
        in
       -.Xr gnuplot.
       +.Xr gnuplot 1
        to see a complete listing of output terminals available on the system.
        Default: "pdf".
        .It Ar