Fix doc typo re empty and multiplication (#1838)

* Fix docs typo re empty and multiplication

* Run `make dev`

docs/src/data-diving-examples.md

@@ -26,7 +26,7 @@ Vertical-tabular format is good for a quick look at CSV data layout -- seeing wh
 <b>wc -l data/flins.csv</b>
 </pre>
 <pre class="pre-non-highlight-in-pair">
-36635 data/flins.csv
+   36635 data/flins.csv
 </pre>
 
 <pre class="pre-highlight-in-pair">
@@ -227,7 +227,7 @@ Peek at the data:
 <b>wc -l data/colored-shapes.dkvp</b>
 </pre>
 <pre class="pre-non-highlight-in-pair">
-10078 data/colored-shapes.dkvp
+   10078 data/colored-shapes.dkvp
 </pre>
 
 <pre class="pre-highlight-in-pair">

docs/src/date-time-examples.md

@@ -68,7 +68,7 @@ date,qoh
 <b>wc -l data/miss-date.csv</b>
 </pre>
 <pre class="pre-non-highlight-in-pair">
-1372 data/miss-date.csv
+    1372 data/miss-date.csv
 </pre>
 
 Since there are 1372 lines in the data file, some automation is called for. To find the missing dates, you can convert the dates to seconds since the epoch using `strptime`, then compute adjacent differences (the `cat -n` simply inserts record-counters):

docs/src/manpage.md

@@ -3746,5 +3746,5 @@ This is simply a copy of what you should see on running `man mlr` at a command p
        MIME Type for Comma-Separated Values (CSV) Files, the Miller docsite
        https://miller.readthedocs.io
 
-                                  2025-07-11                         4mMILLER24m(1)
+                                  2025-07-20                         4mMILLER24m(1)
 </pre>

docs/src/manpage.txt

@@ -3725,4 +3725,4 @@
        MIME Type for Comma-Separated Values (CSV) Files, the Miller docsite
        https://miller.readthedocs.io
 
-                                  2025-07-11                         4mMILLER24m(1)
+                                  2025-07-20                         4mMILLER24m(1)

docs/src/reference-main-null-data.md

@@ -125,7 +125,7 @@ with the exception that the `min` and `max` functions are special: if one argume
 x=,y=3,a=3,b=
 </pre>
 
-Likewise, empty works like 0 for addition and subtraction, and multiplication:
+Likewise, empty works like 0 for addition and subtraction, and like 1 for multiplication:
 
 <pre class="pre-highlight-in-pair">
 <b>echo 'x=,y=3' | mlr put '$a = $x + $y; $b = $x - $y; $c = $x * $y'</b>

docs/src/reference-main-null-data.md.in

@@ -54,7 +54,7 @@ GENMD-RUN-COMMAND
 echo 'x=,y=3' | mlr put '$a=min($x,$y);$b=max($x,$y)'
 GENMD-EOF
 
-Likewise, empty works like 0 for addition and subtraction, and multiplication:
+Likewise, empty works like 0 for addition and subtraction, and like 1 for multiplication:
 
 GENMD-RUN-COMMAND
 echo 'x=,y=3' | mlr put '$a = $x + $y; $b = $x - $y; $c = $x * $y'

docs/src/reference-verbs.md

@@ -4134,7 +4134,7 @@ There are two main ways to use `mlr uniq`: the first way is with `-g` to specify
 <b>wc -l data/colored-shapes.csv</b>
 </pre>
 <pre class="pre-non-highlight-in-pair">
-10079 data/colored-shapes.csv
+   10079 data/colored-shapes.csv
 </pre>
 
 <pre class="pre-highlight-in-pair">
@@ -4291,7 +4291,7 @@ color=purple,shape=square,flag=0
 <b>wc -l data/repeats.dkvp</b>
 </pre>
 <pre class="pre-non-highlight-in-pair">
-57 data/repeats.dkvp
+      57 data/repeats.dkvp
 </pre>
 
 <pre class="pre-highlight-in-pair">

man/manpage.txt

@@ -3725,4 +3725,4 @@
        MIME Type for Comma-Separated Values (CSV) Files, the Miller docsite
        https://miller.readthedocs.io
 
-                                  2025-07-11                         4mMILLER24m(1)
+                                  2025-07-20                         4mMILLER24m(1)

man/mlr.1

@@ -2,12 +2,12 @@
 .\"     Title: mlr
 .\"    Author: [see the "AUTHOR" section]
 .\" Generator: ./mkman.rb
-.\"      Date: 2025-07-11
+.\"      Date: 2025-07-20
 .\"    Manual: \ \&
 .\"    Source: \ \&
 .\"  Language: English
 .\"
-.TH "MILLER" "1" "2025-07-11" "\ \&" "\ \&"
+.TH "MILLER" "1" "2025-07-20" "\ \&" "\ \&"
 .\" -----------------------------------------------------------------
 .\" * Portability definitions
 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~