doc/style.css

parsers: set exception when there's too little string data to extract parents

Previously we were returning NULL from this function without actually
setting up an exception. This fixes that problem, which was detected
with cpychecker.

/*
 * Styles for man pages, which match with http://mercurial.selenic.com/
 *
 * Color scheme & layout are borrowed from
 * http://mercurial.selenic.com/css/styles.css
 *
 * Some styles are from html4css1.css from Docutils, which is in the
 * public domain.
 */

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.document {
    position: relative;  /* be a top of absolute positioning */
    margin: 1.5em 1.8em;
    padding: 0;
    line-height: 1.3;
}

/* layout: toc to right */
#contents {
    position: absolute;
    right: 0;
    top: 0;
    width: 26%;
}

/* layout: others to left */
h1.title, h2.subtitle, .section { width: 72%; }
.section .section { width: auto; }
table.docinfo { max-width: 72%; }

/* headings */
h1, h2, .topic-title, .admonition-title {
    font-family: "MgOpen Cosmetica", "Lucida Sans Unicode", sans-serif;
    font-weight: normal;
}
h1, h2, .topic-title, .admonition-title {
    margin: 1em 0 0.5em;
}
h1.title { font-size: 300%; }
h2.subtitle, h1 { font-size: 200%; }
h2, .topic-title, .admonition-title { font-size: 140%; }

/* subtitle starts with lowercase in man pages, but not in HTML */
h2.subtitle:first-letter { text-transform: uppercase; }

/* override first/last margin */
.first, h1.title, h2.subtitle { margin-top: 0 !important; }
.last, .with-subtitle { margin-bottom: 0 !important; }

blockquote, pre, dd .option-list, .field-list {
    margin: 0.2em 0 1em 2em;
}

kbd, tt, pre { font-family: monospace; }

dt { font-weight: bold; }
dd { margin-bottom: 0.5em; }

th, td { padding: 0.1em 0.2em; border: 0 none; }
th { font-weight: bold; text-align: left; }

a:link, a:visited { text-decoration: underline; }
a:hover, a:focus { text-decoration: none; }
a:link { color: #00b5f1; }
a:visited { color: #5c9caf; }
a:link.toc-backref, a:visited.toc-backref {
    text-decoration: none;
    color: inherit;  /* NOTE: `inherit' is not supported by IE6 */
}

div.admonition, div.attention, div.caution,
div.danger, div.error, div.hint, div.important,
div.note, div.tip, div.warning {
    border-top: 1px #ccc solid;
    border-bottom: 1px #ccc solid;
    padding: 0.3em 1em;
    margin: 1em;
}

div.note {
    border-color: #fcc200;
}


/*
 * The following styles are from Docutils.
 * Please refine if necessary.
 */

table.borderless td, table.borderless th {
    /* Override padding for "table.docutils td" with "! important".
       The right padding separates the table cells. */
    padding: 0 0.5em 0 0 ! important;
}

.hidden {
    display: none;
}

blockquote.epigraph {
    margin: 2em 5em;
}

div.abstract {
    margin: 2em 5em;
}

div.dedication {
    margin: 2em 5em;
    text-align: center;
    font-style: italic;
}

div.figure {
    margin-left: 2em;
    margin-right: 2em;
}

div.footer, div.header {
    clear: both;
    font-size: smaller;
}

div.line-block {
    display: block;
    margin-top: 1em;
    margin-bottom: 1em;
}

div.line-block div.line-block {
    margin-top: 0;
    margin-bottom: 0;
    margin-left: 1.5em;
}

div.sidebar {
    margin: 0 0 0.5em 1em;
    border: medium outset;
    padding: 1em;
    background-color: #ffffee;
    width: 40%;
    float: right;
    clear: right;
}

div.sidebar p.rubric {
    font-family: sans-serif;
    font-size: medium;
}

div.system-messages {
    margin: 5em;
}

div.system-messages h1 {
    color: red;
}

div.system-message {
    border: medium outset;
    padding: 1em;
}

div.system-message p.system-message-title {
    color: red;
    font-weight: bold;
}

h1.section-subtitle, h2.section-subtitle, h3.section-subtitle,
h4.section-subtitle, h5.section-subtitle, h6.section-subtitle {
    margin-top: 0.4em;
}

hr.docutils {
    width: 75%;
}

img.align-left {
    clear: left;
}

img.align-right {
    clear: right;
}

ol.simple, ul.simple {
    margin-bottom: 1em;
}

ol.arabic {
    list-style: decimal;
}

ol.loweralpha {
    list-style: lower-alpha;
}

ol.upperalpha {
    list-style: upper-alpha;
}

ol.lowerroman {
    list-style: lower-roman;
}

ol.upperroman {
    list-style: upper-roman;
}

p.attribution {
    text-align: right;
    margin-left: 50%;
}

p.caption {
    font-style: italic;
}

p.credits {
    font-style: italic;
    font-size: smaller;
}

p.label {
    white-space: nowrap;
}

p.rubric {
    font-weight: bold;
    font-size: larger;
    color: maroon;
    text-align: center;
}

pre.address {
    margin-bottom: 0;
    margin-top: 0;
    font-family: serif;
    font-size: 100%;
}

pre.literal-block, pre.doctest-block {
    margin-left: 2em;
    margin-right: 2em;
}

span.classifier {
    font-family: sans-serif;
    font-style: oblique;
}

span.classifier-delimiter {
    font-family: sans-serif;
    font-weight: bold;
}

span.interpreted {
    font-family: sans-serif;
}

span.option {
    white-space: nowrap;
}

span.pre {
    white-space: pre;
}

span.problematic {
    color: red;
}

span.section-subtitle {
    /* font-size relative to parent (h1..h6 element) */
    font-size: 80%;
}

table.citation {
    border-left: solid 1px gray;
    margin-left: 1px;
}

table.footnote {
    border-left: solid 1px black;
    margin-left: 1px;
}

h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
    font-size: 100%;
}

ul.auto-toc {
    list-style-type: none;
}

div.contents.local {
    -moz-column-width: 10em;
    -moz-column-gap: 1em;

    -webkit-column-width: 10em;
    -webkit-column-gap: 1em;
}