chore: update readme, bash completion, man page

README.md

@@ -91,6 +91,7 @@ The command-line interface is straightforward as reflected in the output from
    -L, --list-devices                     List available serial devices
    -l, --log                              Enable log to file
        --log-file <filename>              Set log filename
+       --log-append                       Append to log file
        --log-strip                        Strip control characters and escape sequences
    -m, --map <flags>                      Map characters
    -c, --color 0..255|bold|none|list      Colorize tio text (default: bold)

man/tio.1.in

@@ -390,6 +390,8 @@ Disable automatic connect
 Enable log to file
 .IP "\fBlog-file"
 Set log filename
+.IP "\fBlog-append"
+Append to log file
 .IP "\fBlog-strip"
 Enable strip of control and escape sequences from log
 .IP "\fBlocal-echo"

man/tio.1.txt

@@ -305,6 +305,8 @@ CONFIGURATION FILE
 
        log-file                 Set log filename
 
+       log-append               Append to log file
+
        log-strip                Enable strip of control and escape sequences from log
 
        local-echo               Enable local echo

src/bash-completion/tio.in

@@ -22,6 +22,7 @@ _tio()
           -e --local-echo \
           -l --log \
              --log-file \
+             --log-append \
              --log-strip \
           -m --map \
           -t --timestamp \
@@ -90,6 +91,10 @@ _tio()
             COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
             return 0
             ;;
+        --log-append)
+            COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+            return 0
+            ;;
         --log-strip)
             COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
             return 0