d := c.item
	if d != nil && s.trimSpace(d.width, d.width, true) || d == nil && s.isBlank() {
		return s, true
	}
	return s, false
}

func (c *itemBuilder) extend(p *parseState, s line) (line, bool) {
	if s.isBlank() && !c.haveContent {
		return s, false
	}
	if s.isBlank() {
		// Goldmark does this and apparently commonmark.js too.
		// Not sure why it is necessary.

    }

    @Override
    public String customizeActionMappingRequestPath(final String requestPath) {
        if (StringUtil.isBlank(requestPath)) {
            return null;
        }
        final String virtualHostKey = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
        if (StringUtil.isBlank(virtualHostKey)) {
            return null;
        }
        final String prefix = "/" + virtualHostKey;

    protected Map<String, Long> maxLengthMap = new HashMap<>();

    public void addMaxLength(final String mimeType, final long maxLength) {
        if (StringUtil.isBlank(mimeType)) {
            throw new CrawlerSystemException("MIME type is a blank.");
        }
        if (maxLength < 0) {
            throw new CrawlerSystemException("The value of maxLength is invalid.");
        }

                        if (!mappingList.isEmpty()) {
                            elevateWordToLabelBhv.batchInsert(mappingList);
                        }
                    } else if (StringUtil.isBlank(reading) && StringUtil.isBlank(boost)) {
                        elevateWordBhv.delete(elevateWord);
                        final String id = elevateWord.getId();

    protected Map<String, String> encodingMap = new HashMap<>();

    public String normalize(final String enc) {
        if (StringUtil.isBlank(enc)) {
            return defaultEncoding;
        }

        final String newEnc = encodingMap.get(toLowerCase(enc));
        if (StringUtil.isBlank(newEnc)) {
            return enc;
        }
        return newEnc;
    }

                return null;
            }

            userCode = getUserCodeFromCookie(request);
            if (StringUtil.isBlank(userCode)) {
                userCode = getUserCodeFromUserBean(request);
                if (StringUtil.isBlank(userCode)) {
                    userCode = getId();
                }
            }

            if (StringUtil.isNotBlank(userCode)) {

        if (StringUtil.isBlank(key) || StringUtil.isBlank(value)) {
            throw new CrawlerSystemException("key or value is null.");
        }

        featureMap.put(key, value);
    }

    public void addProperty(final String key, final String value) {
        if (StringUtil.isBlank(key) || StringUtil.isBlank(value)) {

			switch n.Op() {
			default:
				base.Fatalf("select %v", n.Op())

			case ir.OSEND:
				// already ok

			case ir.OSELRECV2:
				r := n.(*ir.AssignListStmt)
				if ir.IsBlank(r.Lhs[0]) && ir.IsBlank(r.Lhs[1]) {
					n = r.Rhs[0]
					break
				}
				r.SetOp(ir.OAS2RECV)
			}

			l = append(l, n)
		}

		l = append(l, cas.Body...)

                logger.debug("CrawlerClientCreator is unavailable.", e);
            }
        }
    }

    public void addClient(final String regex, final CrawlerClient client) {
        if (StringUtil.isBlank(regex)) {
            throw new CrawlerSystemException("A regular expression is null.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }

            logger.warn("Malformed URL: " + attrValue, e);
        }
    }

    protected String encodeUrl(final String url, final String enc) {
        if (StringUtil.isBlank(url) || StringUtil.isBlank(enc)) {
            return url;
        }

        final StringBuilder buf = new StringBuilder(url.length() + 100);
        for (final char c : url.toCharArray()) {