message: Fix doc build sed err 'extra char at the end of g cmd'
diff: @@ -112,8 +112,8 @@ generate_api_rst v3
  # Fixup anchors and references in v3 so they form a distinct namespace.
  # TODO(htuch): Do this in protodoc generation in the future.
  -find "${GENERATED_RST_DIR}"/api-v3 -name "*.rst" -print0 | xargs -0 sed -i "s#envoy_api_#envoy_v3_api_#g"
  -find "${GENERATED_RST_DIR}"/api-v3 -name "*.rst" -print0 | xargs -0 sed -i "s#config_resource_monitors#v3_config_resource_monitors#g"
  +find "${GENERATED_RST_DIR}"/api-v3 -name "*.rst" -print0 | xargs -0 sed -i -e "s#envoy_api_#envoy_v3_api_#g"
  +find "${GENERATED_RST_DIR}"/api-v3 -name "*.rst" -print0 | xargs -0 sed -i -e "s#config_resource_monitors#v3_config_resource_monitors#g"
  mkdir -p ${GENERATED_RST_DIR}/api-docs
  