- Add text_gap option to allow adjustment of vertical gap between

barcode and text
- EMF/EPS/SVG/GUI: ignore BOLD_TEXT for EAN/UPC
- DAFT: up max to 250 chars
- EMF/EPS/SVG: fix addon bars placement/length when text hidden
- Qt backend: use `QFontMetrics::horizontalAdvance()` rather than
  `boundingRect()` to calc text width (seems to be more accurate)
- library: make printf/sprintf() format arg always literal string
- output: fix errtxt nos clash;
  use array for `out_upcean_split_text()` text parts
- raster/vector: smallify addon text printing logic
- frontend: warn if output file and direct options both given;
  add TODO note about `CommandLineToArgvW()` loading shell32.dll
- manual: put HRT options in own section

docs/images/code128_rotate90.svg

@@ -45,8 +45,8 @@
       <rect x="45.36" y="604.80" width="240.00" height="14.40" />
       <rect x="45.36" y="624.00" width="240.00" height="4.80" />
       <rect x="45.36" y="633.60" width="240.00" height="9.60" />
-      <text x="8.40" y="321.60" text-anchor="middle"
-         font-family="Helvetica, sans-serif" font-size="33.6" transform="rotate(90,8.40,321.60)" >
+      <text x="11.76" y="321.60" text-anchor="middle"
+         font-family="Helvetica, sans-serif" font-size="33.6" transform="rotate(90,11.76,321.60)" >
          This Text
       </text>
    </g>