docs: rewrite half-dash asides in comments

Dropping the double-dash asides left 72 comments and docstrings with
half a dash glued to the next word ("shape -a size or a size range -is
all"). They now read as a colon, a comma or parentheses, and a prose
style test names any that comes back.

scripts/scraper/targets/batocera_targets_scraper.py

@@ -132,7 +132,7 @@ def _check_atom(
     if tok.startswith('"'):
         pos += 1
         return True, pos
-    # Unknown token -treat as true to avoid false negatives
+    # Unknown token: treat as true to avoid false negatives
     pos += 1
     return True, pos
 

scripts/scraper/targets/emudeck_targets_scraper.py

@@ -1,8 +1,8 @@
 """Scraper for EmuDeck emulator targets.
 
 Sources:
-  SteamOS: dragoonDorise/EmuDeck -functions/EmuScripts/*.sh
-  Windows: EmuDeck/emudeck-we -functions/EmuScripts/*.ps1
+  SteamOS: dragoonDorise/EmuDeck, functions/EmuScripts/*.sh
+  Windows: EmuDeck/emudeck-we, functions/EmuScripts/*.ps1
 """
 
 from __future__ import annotations

scripts/scraper/targets/retroarch_targets_scraper.py

@@ -70,7 +70,7 @@ TARGETS: list[tuple[str, str, str]] = [
     ("dingux/miyoo-arm32/latest", "miyoo-arm32", "armv5"),
     ("webos/armv7a/latest", "webos-armv7a", "armv7"),
     ("webos/aarch64/latest", "webos-aarch64", "aarch64"),
-    # vita: only VPK bundles on buildbot -cores listed via libretro-super recipes
+    # vita: only VPK bundles on buildbot, cores listed via libretro-super recipes
 ]
 
 # Recipe-based targets: (recipe_path_under_RECIPE_BASE_URL, target_name, architecture)