Fix markdownlint MD046/code-block-style

docs/docs/user_guide/postw90/boltzwann.md

@@ -153,7 +153,6 @@ columns are printed, with the spin-up projection of the DOS, followed by
 spin-down projection.
 
 !!! note
-
     Note that in `BoltzWann` the adaptive (energy) smearing scheme
     also implements a simple adaptive $k-$mesh scheme: if at any given
     $k$ point one of the band gradients is zero, then that $k$ point is

docs/docs/user_guide/postw90/geninterp.md

@@ -41,7 +41,9 @@ The third line must contain the number $n$ of following $k$ points.
 The following $n$ lines must contain the list of $k$ points in the
 format
 
-    kpointidx k1 k2 k3
+```text
+kpointidx k1 k2 k3
+```
 
 where `kpointidx` is an integer identifying the given $k$ point, and
 `k1`, `k2` and `k3` are the three coordinates of the $k$ points in the
@@ -78,13 +80,18 @@ significant bottleneck).
 
 To join the files, on can simply use the following command:
 
-    cat seedname_geninterp_*.dat > seedname_geninterp.dat
+```bash title="Terminal"
+cat seedname_geninterp_*.dat > seedname_geninterp.dat
+```
 
 or, if one wants to remove the comment lines:
 
-    rm seedname_geninterp.dat
-    for i in seedname_geninterp_*.dat ; do grep -v \# "$i" >> \
-    seedname_geninterp.dat ; done
+```bash title="Terminal"
+rm seedname_geninterp.dat
+for i in seedname_geninterp_*.dat ; do
+    grep -v \# "$i" >> seedname_geninterp.dat ;
+done
+```
 
 The first few lines of each files are comments (starting with #),
 containing a datestamp, the comment line as it is read from the input

docs/docs/user_guide/postw90/postw90params.md

@@ -854,7 +854,6 @@ The valid options for this parameter are:
 The default value is `fermi_lines`.
 
 !!! note
-
     When `kslice_fermi_lines_colour = none` the `gnuplot` scripts draw
     the $k$-slices with a square shape, even when `kslice_b1` and
     `kslice_b2` below are not at right angles, or do not have equal lengths.