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remove -noalphadither option from README/vwebp.1

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+ vwebp's -help output

this is a future option; missed in:
793368e restore decode API compatibility

Change-Id: If920df2cf8de57ebad93a6b98830562149396d8d
This commit is contained in:
James Zern
2014-07-23 19:52:45 -07:00
parent cd01358057
commit fb668d78b3
3 changed files with 8 additions and 6 deletions
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11
man/vwebp.1
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@@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH VWEBP 1 "June 13, 2014"
.TH VWEBP 1 "July 23, 2014"
.SH NAME
vwebp \- decompress a WebP file and display it in a window
.SH SYNOPSIS
@@ -33,10 +33,11 @@ Disable in-loop filtering.
Specify a dithering \fBstrength\fP between 0 and 100. Dithering is a
post-processing effect applied to chroma components in lossy compression.
It helps by smoothing gradients and avoiding banding artifacts. Default: 50.
.TP
.BI \-noalphadither
By default, quantized transparency planes are dithered during decompression,
to smooth the gradients. This flag will prevent this dithering.
.\" TODO(jzern): restore post-v0.4.1
.\" .TP
.\" .BI \-noalphadither
.\" By default, quantized transparency planes are dithered during decompression,
.\" to smooth the gradients. This flag will prevent this dithering.
.TP
.B \-mt
Use multi-threading for decoding, if possible.